Spectra-Physics Quanta-Ray GCR-16, Quanta-Ray GCR-14, Quanta-Ray GCR-12, Quanta-Ray GCR-18 Instruction Manual

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Instruction

Lasers

Manual

GCR-12 GCR-L4

GCR-18

Spectra-Physics

SpectraPhysics

Lasers

—©

Quanta-Ray

Pulsed

Nd:YAG

Instruction

Lasers

Manual

GCR-12 GCR-14 GCR-16 GCR-18

Spectra-Physics

Bella

Terra

1330

Post

Office

Mountain

Part

View,CA94039-7013

International

Siemensstrasse

D-61

Number

0000-225A,

Headquarters

00

Lasers

Avenue

7013

Box

Darmstadt

Germany

Rev.

1992

April

20

A

This

manual operation Nd:YAG operation,

contains

and

maintenance

Laser

System. You

preventive andatroubleshooting elements—the tion

to instructions

installation

laser

and

operation

information

you

of your

will

find

maintenance,abrief

and

repair

head

power

for these

of

guide.

supply, components, the

HG-2

will

need

QuantaRay®

instructions

descriptionofits

The

system

and

remote

the

manual

harmonic

Preface

for

day-to-day

OCR

for installation,

generator.

Series

circuitiy,

comprises

control. In

describes

three

addi

the

While

this intended Please

wait assigned those up

The you as to failures

The damage over, put Laser

qualified

your

laser

Service

guide your

guidetorepairs

a repair

to

OCR

eyes

focused

energy

Safety hazards. carefully

If

you

encounter please let problems Physics

instruments.

manual

as

a

for

this

containsabrief

guide

to

the

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taskaspartofyour

and

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system.

and

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contains

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instructions.

difficulty

The

installation

the

initial

installation and

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purchase agreement.

Spectra-Physicstoinstall

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substances.

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components.

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repairs,

manual,

Spectra

laser.

only

set

and

system

out

The

these

such

III

Table

of

Contents

Chapter

Emission Population Nd:YAG Q-switching Resonant Longitudinal Producing Resonator Pulse Specifications

Chapter

Precautions Focused Maintenance

in

Compliance

Radiological

Sources

Introduction

1

Absorption

and

Inversion

an

as

Optical

Modes

Other

Structural

Triggering

Laser

2

for

Back

Required

Health

of

Excitation

Cavity

and

Wavelengths

Considerations

Sequence

Safety

Safe

the

Reflection

to

with

Center

(CDRH)

Laser

Safety

Light

of

Medium

Linewidth

and

Timing

Operation

Safety

this

keep

Devices

for

Regulations

Standards

of

Class

Laser

Product...

and

IV-High

Power

Lasers

1—1

1—1 1-3 1-4 1-6 1-7 1-8 1-10 1—11 1-12 1-14

2-1

2-1 2-3 2-3

2-4

Chapter

Unpacking

Installing

Connecting Filling

Controls

OUTPUT

lNPUTConnectors REMOTE COMPUTER POWER PURGE Power

Installation

3

your

Laser

the

Cooling

the

Connections—Remote

and and

Connections—Power

Connectors

Connector

Controls

Supply

Laser

the

Electrical

Connector

Rear

and

System

Panel

Operation

Service

Supply

Control

Module

3—1

3-1 3-1

3-1 3-2

3-3 3-5 3-5

3-5 3-6 3-6 3-6 3-7 3-7

V

Table

Contents

of

(cont.)

Chapter

Controls

Q-switch Emission Convenience

Starting

Chapter

Functional Computer

IEEE

RS-232-C

Message

CIM-1

Examples

Example

Installation

3

Connections—Laser

and

Driver

Indicator

Laser

the

Computer

4

Overview Control

Power-On Computer

488 Operation Remote Serial SW2

Operation Data SW1

SW3

Command Response

Commands

CONFIGURE SAMPLE SELECTc WRITEp,n SELECT SELECT SELECT

SELECT SETd,n

External Variable Q-switch Sample

Default Safety

Interface

Reset

Status

Poll

Switch

DIP

Serial

Transfer

DIP

Switch

DIP

Switch

Formats

Format

a

1, 1,

lamp rep

Advance

Analog-to-Digital

Commands

(Marx

Receptacle

and

State

(Watchdog)

Byte

Setting

Interface

and

Setting Setting

Format

OUTPUT,

p,

WRITE WRITE WRITE WRITE

fire

rate

Operation

and

Bank)

Box

Interface

Diagnostic

System

and

Handshaking

NONCLOCKED

4,

n n

5,

n

6, 7,

n

Sync

Conversion

Using

GW

Head

Module

Functions

Interlock

BASIC

(cont..)

Initialization

a

Personal

on

Computer

3-1

3-8 3-8

3-9

4-1

4-1 4-3

4-3 4-4

4-4 4-4 4-4 4-5 4-6 4-6

4-6 4-7 4-8 4-8

4-8 4-8 4-9

4-10 4-10

4-11 4-11 4-13

4-13 4-13 4-13 4-15

4-15 4-15 4-15 4-16 4-17 4-18

VI

Chapter

Installing

5

HG-2

and

Harmonic

Operating

Generator

the

TableofContents

(cont.)

5-1

HG-2

Installing Operation TypeIandIICrystals

HG-2

Controls

Operating Second

Third

Chapter6

Maintaining Maintaining Maintaining Replacing

Procedure

Replacing

Procedure

Replacing

Procedure

Controls

the

Temperature

Voltage

Harmonic

and

Fourth

Maintenance

the

Cooling

Air

the the

HG-2

the

Deionizing

the

Air

Flash

the

HG-2

Controller

Harmonic

Purge

Filters

Lamps

(TypesIand

Generation

System

Water

Filter

II)

5-3 5-3 5-4

5-5 5-6 5-6 5-6 5-7

6—1

6-1 6-i 6-i 6-2 6-2 6-3 6-3 6-4 6-4

Chapter7ServiceandRepair

System

Description Computer/Internal Enabling Analog Q-switch Q-switch Mode Q-switch Single-Shot Inhibit OFF Interlock Pulse Flash

Signals

Delay

Advanced

Switch

[STOP]/ON

Forming Lamp

Start-up

(Ui

Drivers

Operation

Logic

Simmer

Tests

Network

Switch

Sync

1)

[ENABLE]

Supply

Generator

buttons

7-1

7-i 7-1 7-i 7-1 7-2

7-2 7-2 7-3

7-3 7-3 7-3

7-4 7-4 7-5 7-5

VII

Table

Contents

of

(cont.)

ChapterlOCustomerService

Warranty

Instrument

the

Centers

Electrons probability

the

radial A

Compared Energy

The

polarization Stable

Frequency Etaton Simplified

Radiation

Warning

Main Cooling Remote Power Q-switch

Head Location Diagram Standard

Command

4-4:

CIM-1

4-5:

HG-2

5-1:

Temperature

5-2:

Short

6-1:

when

occupy

of

shape

Typical

of

and

Four-level

angular

Level

Q-switch

and

Loss

Block

Control

Labels

autotransformer

System

Control

Supply

Driver

Emission

of

RS-232-C

Proprietary

Component

together

servicing

to

rotator,

Unstable

Distribution

CIM-1

the

Word

List

Return Service

Figures

of

Figure

Figure Figure

Figure Figure Figure Figure

Figure Figure Figure Figure Figure

Figure Figure Figure Figure

Figure Figure Figure Figure Figure

of

1-1:

1-2:

1-3:

1-4:

1-5: 1-6:

1-7:

1-8: 2-1: 2-2: 3-1:

3-2:

3-3:

3-4:

3-5:

3-6:

4-1:

4-2:

4-3:

Repair

for

distinct

finding

the

orbital

dependence

Transition

of

that

Scheme

comprises

and

Minimum

Diagram

Drawing

Component Panel

Control

(Marx

Indicator

PC

serial

Abbreviations

PC

Identification

Control

posts

flash

the

defined

at

determined

the

of

an

orbitats

electron

being

Scheme

Nd:YAG

for

Resonator

of

Tuned

is

(b) Nd:YAG

the

polarizer,

a

Pockets

a

Configurations

Longitudinal

Laser

to

GCR

of

tapped

for

Series

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Panel

Bank)

Box

Boards

poll

status

byte

Interconnections

Board

Panel

prevent

to

B

and

A

lamps.

given

a

probability.

(a)

Laser quarter-wave

a

cell.

Modes

Gain

Electronics

several

shock

the

by

position,

the

by

Source

for

Maximum

operating

Single

a

Line

voltages

8-1

8-2 8-2

1-2

1-4

1-5 1-6

1-7 1-9 1-9 1-12 2-5 2-6 3-2 3-3 3-4

3-6 3-8 3-9 4-2

4-5 4-7 4-10 4-14

5-1 5-6 6-5

VIII

List

of

Tables

Table

of

Contents

(cont.)

Table

Table Table Table Table Table Table Table Table Table

4—1:

SW2

DIP

4-2:

SW1

Baud

4—3:

SW1

Mode

4—4:

Sample

4—5:

SELECT

4-6:

SELECT2,WRITE

5—1:

Summary Summary

5—2:

System

7—1: 7—2:

Replacement

Switch

Rate

Select

Command

a

1,

WRITE

of

Translation

of

HG-2

Start-up

Parts

Settings

Functions Command Command

Positions

for

Arm

Selecting

Functions Functions

Positions

Device

Address

4-6 4-8 4-8 4-11 4-12 4-13 5-2

5-2

Tests 7-7

7-13

The

following

prefixes

are

System

used

International

in

Spectra-Physics

units,

(SI) Lasers

abbreviations,

manuals:

SI

Units

and

Quantity mass length time

frequency

force energy

power electric electric electric

current charge

potential

resistance inductance magnetic magnetic

luminous temperature

pressure

capacitance angle

flux

density

intensity

Unit

gram

meter

second

hertz newton joule watt ampere coulomb volt ohm henry

weber tesla candela

kelvin

pascal

farad radian

Abbreviation

g m

s Hz N J W A C

V

W H Wb T cd K

Pa

F rad

tera

giga

mega kilo

(1012)

(1O)

(106) (10)

T

G

M k

Prefixes

deci

centi

milli

micro

(10-1)

(102)

(10) (10-6)

d c m

nano pico femto atto

(10)

(1012)

(10-15)

(10-18)

n

p

f a

xi

NOTE

CAUTION

WARNING

DANGER

Warning

Statement reference.

Statement

perfomance

Statement equipment.

Statement

injury.

safety

or

Conventions

cover

to

warn

to

error.

or

warn

to

cover

to

exceptional

against

of

or

possible

situation

circumstances

prevent

to

damage

involving

or

poor

to

personal

XII

Chapter

1

Introduction

Emission

and

Absorption

Laser lated emit relationship amplifier identical sources. matic,

Radiant molecular structure nucleus a

distinct

at

a teristic that

all

“p” lobed mined atom—its energy throughout

levels: state, in

its

forces.

Light*

of

is

an

acronym

Emission

light

in

all

with

of

light,

in

phase,

Its

output

and coherent.

emission

structure

describes

with

oneormore

orbital

given

position

shape

thatisdefined

probability,

orbitals

configuration

by

the

orbital

the

level

and

higher

ground

state,itwill

derived

of

Radiation.”

directions,

one

another.

and

because

direction,

beam

and

that

is

absorption

of

materials.

an

electrically

represents

relative

all

e.g.,

surround

“s”

the

(Figure

thatitoccupies,

level—depends

available

with

energy

the

orbitals. lowest levels

from

Thermal

the

individual

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and

singularly

electrons

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to

the

by

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x,

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1—1).

possible

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“Light

Amplification

radiators,

photons

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output

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contemporary

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probability

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Quanta-Ray

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Introduction

Population

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laser

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number

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the population

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its

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the

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Chapter

2

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3-10

Chapter

4

Computer

Interface

Module

(CIM-1)

Functional

Overview

The

OCR troller log/TTL (CIM-1) or

remote connected, the

system

switch

With

RS-232-C General for

each ports right

The

OCR controller attached COMPUTER ON/ENABLE

computer. this

mode

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are

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in

offers

Purpose

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The

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exclusive.

perform

to

functions.

Timing,”

and

on

operation

ilOOb 12

require

Often

a

Refer

or

other

twoorthree

single

to

and

operation

Chapter

control.

functions

1,

3,

to be

WRITE

because

preset,

commands

of

the

“Introduction:

“Installation and

while

others

will

interaction

Pulse

Triggering

Operation,”

are

be

of

4-11

Quanta-Ray

GCR

Series

Table

4-5:

SELECT

Command

4,

WRITE

WRiTE5,xxxlb

WRITE

xxxlb mOb

xxlxb

xxOxb

xlxxb

x0xxb

lxxxb

0mb

xxx0b

xxlxb

xx0xb xlxxb x0xxb

Oxxxb

xxxlb

6,

xxx0b

xxlxb

xx0xb xlxxb x0xxb

lxxxb

1mb

Oxxxb

WRITE

1,

Turn

system

Turn

system

External

Variable Variable lOpps lOpps

Internal

Internal Long

pulse

Long

pulse External External

System System

Single Single

after

each

Analog

Lamp

Lamp Lamp Lamp

Command

on off

lamp lamp

rate

rep rep

rate

rep

rate

rep

rate

Q-switch

enabled disabled

Q-switch Q-switch

for

set

for

set

shot

trigger

shot

shot)

strobe

strobe blank blank

trigger

and

enabled disabled

pulsed

Q-switch

Function

enabled

fire fire

disabled enabled disabled

enabled disabled

trigger

fire fire

repetitive

single

pulsed

reset

read latch

(last

trigger

Functions

enabled disabled

firing

shot

(must

(lamp

be

value

cannot

reset

latched)

fire)

4-12

WRITE

7,

xxxlb

xxx0b

xxlxb

xxOxb

Computer

high

transition)

Reset from

pulse

WRITE

Computer Computer

interlock

(hightolow

xxxlb

7,

watchdog watchdog

clock

reset

transition)

interlock interlock

(low

enabled disabled

to

Computer

Interface

Module

SELECT

1,

WRITE

1,

WRITE5,n

4,

Table

WRITE4,n

WRITE5,n WRITE6,n Sets

WRITE7,n Sets

n

Turns

4-6:

Command

system

operation:

than

more lamp

lights

the

erroriscleared

Selects

the

longpulse,and

orinsingle Q-SW

the

command sequence.

MODE

OCRisdisabled until

SELECT

Sets (—700

Sets

(0.1

power

external

one

on

lamp

the

onoroff

lamp

trigger

remote

by

configuration

also

determines

shots.Ifmore

ERROR

2,

WRITE

the

lower four

to+400 nsec)

upper

the the

lower

15.0

to

the

fire,

pps)

upper

and

variable

source

control

writing

of

than

lamp on

the

correct

a

the

Q-switch:

whether

one

the

erroriscleared

Command

four

selects

rep

is

selected,

box,

Q-switch

remote

Function bits

for

bits

for

bits

for

bits

for

oneofthree

rate,

and

the

and

the

command

internal

OCR

the

modeisselected,

control box

by

Functions

Q-switch

lamp

SOURCE

OCRisdisabled

or

will

writing

advance

repetition rate

modesoflamp

10

sequence.

fixed.

pps

external

fire

repetitively

will

a

ERROR

trigger,

light,

correct

sync

If

until

or

the

and

SELECT

1, WRITE

SELECT1,WRITE

6,

n

Controls

Lamp

going pulse;

trigger, inhibit high low

set rep

7,

n

Controls to

1.

2.

lamp

trigger

logic

points

rate,

enable

The between on for eachofthe

The

and

therefore,

then reset

function.

level

for

controlling

and

PFN

the

computer

the

computer

watchdog

1

the

proprietary

computer

trigger,

Q-switch

to

Analog

causes

latches

voltage

interlock

and

255

switches

interlock

lamp

blank,

trigger

the corresponding

get

ready

strobe

the

set

the

last

Q-switch

analog

both

for

the

isasample-and-hold

point

analog reading.

advance

monitor.

interlock

watchdog

sec

interface

system.

interval

via

the

board

are

marked

enable

interlock:

watchdog

line

strobe,

and

single-shot

requireaprogrammed

bit

must

be

toggled

pulse.

follow

Lamp

the

analog

Itisused

function

sync, Q-switch

Three

timer

(Figure

must

conditions

must be

timer DIP

on

the

be

preset

4—5).

pc

board.

high.

The

trigger.

positive-

high

blank

to

delay,

are

toavalue

switch

input

set

bit

is

where

variable

required

SW1

weights

to

an

and

a

analog

a

4—

13

Quanta-Ray

GCR

Series

3.

Software following

must

toggle

commands:

the

computer

interlock

clock

line with

the

WRITE WRITE

Your

continuously between the keep out and system

The

puter

Two

(Figure

programmed

laser

r

1

ua

7,

3

7,2

program

watchdog

reseting

and

causing

failstoreset

shuts

must constantly

toggle

toggles

must timer the

an

down.

the

be

switch

interlock

the

watchdog,

computer

shorter

computer interlock function

interlock

diagnostic

4-5).

will

shut

enable

LEDs

The

computer

toggle.

down

air

line

low.

indicate the status

interlock

Then,

and

_.a

when

computer

the

0

issue

this

pair

interlock

the

than

SW1.Inessence,

watchdog

to

preventitfrom

fault. Thus,ifyour

an

interlock

can

be

clock

defeated

of

the

LED

andifthereisa

interlock

of

commands

clock,

and

the

time-out period

your

program

fault

results and the

setting

by

computer

blinks

fault

monitor

interlock

once

condition,

LED

to

time

set must

timing

crashes

the

each

for

turns

by

fr

com

the

on.

Figure

4—5:

•

CIM-1

LJLj

N.

P;Z

H

9

,02

sauna

Computer Clock

Proprietary

c2

3

XR11

?.SSY

a

LED,

I

RIG

EXPAISIOGI

Un

Pta

D44UtUO

V

C

/

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DS

1

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Board

pta

Computer Monitor

(Top

LED,

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DS

SW

1

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-

R)

CaP

OFF

-

ONI

()‘OFF c[OFF

•-JOFF_I

°QEEJ

I

2

4-14

SETd,n

where or The

SET

0-switch

To

set

=

d

=

d

command

delay

0-switch

the

Computer

the

set

0to250

n n

used

the

=

0

set

to

PFN

the range

in

to

and

1

and

2

is

and

time

delay

(to

200

(to

analog voltage.

60

the

set

values

278

to

that

Interface

Q-switch

voltage)*

PFN

govern

p.sec:

Module

delay)

the

n

set

The

the

maximum

To

*

electronics the

factoiy. dangerous damage on

to

test

the

precision

If

to

sary

the

real

sampling

programmed

herent voltage

PFN

the

grammed

INT

=

PFN

desired

=

the

on

This

energy

various

report

correct

sense

PFN

offset

is

less

voltage

(delaY)+318)

(—--

in

voltage

10

PFN

CIM-1.

feature

levels

optical

accompaning

is

required

for

voltage

value

of

the

than

value

the

voltage

Each

prevents

the

in

components.

inherent

an

monitor,

of

PFN

system.

measured

the

is

greater

to

used

for

at

range

ilamp

laser

the

laser

the

NOTE

setting

TP24

voltage

Either

than

set

0

energy

system

software

cavity,

laser

offset

on

and

the

PFN

1800

to

is is

thereby

value

The

for

the

PFN

the

in

the

compare

The

set.

this

add

voltage)

measured

voltage.

V:

hardware

individually

program

avoiding

the

of

software

voltage,

electronics.

control

pe

this

difference

offset

or

subtract

voltage)

limited

adjusted

creating

from

potential

is

limit

provided

programmer

neces

it

is

Measure

board

value

to

(if

is

it

to

the

from the

by

or

PFN

pro

the

at

by

the

in

(if

Examples

External

Variable

lamp

rep

fire

If

the

must

allowing

rate

If

(0.1 numbers. where

external

command

variable

lamp

SELECT1,WRITE

SELECT

it

follow

to

15

rep

to

external

rate

rep

pps)

determine

To

is

rate

must

fire

is

1,

WRITE

disable

triggering.

is

selected, be

0.1

to

selected:

4,

6,

lamp

written

that

number,

pps:

15

xxlxb

lOxxb

blank

an

8-bit

using

and

value

two,

first

to enable

equal

four-bit

the

find

lamp

to

the

binary

value

trigger,

rate

rep

decimal

or

for

count

thus

4-15

Quanta-Ray

GCR

Series

count

I

rep

=

255

rate

15

Next, find

m

Next,

find n,

n n

Finally,

insert

statements:

SELECT WRITE4,xlxxb

SELECT WRITE6,n WRITE7,m

Example To

setarep

count

the

INT

integer

count

m,

=

16

the

integer

=

INT(count—(l6xm))

=

TNT

the

(count

MOD

values

1

2

rate

of12pps:

=

255

----

15

value

remainder

of

count

from

16)

fornandmin

=

204

divided

the

or

[BASIC

appropriate

the

[selects

lower4bits]

[sets [sets

upper4bits]

by

16:

above

statement]

variable

division:

WRITE

rep

rate]

Q-switch

Advance

Pluginthe

Sync

Selecting senting numbers. where

Next,

m=TNT

n=count

values

SELECT

WRITE

Q-switch

the

value

To

determine

adv

sync

count

find

the

=

2 6,12 7,

chosen

is

a

=

—47+

integer

=12

16

(16xm)

formand

12

advance

to be

that

value

from

adv

m:

count

16

=

12

n:

also

sync

writtenintwo,

number,

—700

66656

sync

+

945

requires

first

find

to+400.

an

4-bit

the

8-bit

binary or

value

number

for

repre

decimal

count,

4-16

p

and

n,

the n

n

integer

=

INT

=

INT

remainder

(count) (count

16—

MOD

from m))

16)

above:

or

[BASIC

Computer

statement]

Interface

Module

Finally,

insert

statements:

SELECT

WRITE WRITE

Example To

Q-switch

set

count

Next,

find

m=INT-

n n=103—(16x6)

Plug

in

the

SELECT WRITE

WRITE

the

=

values

the

=

values

count

4, 5,

values

2

(selects

n

4,

(sets

m

(sets

5,

advance

—47+

for

16

—

(16

for

m

2

7 6

for

andm

n

Q-switch

lower

sync

upper

for

4

bits)

4

bits)

—500

66656

—500+945

m

and

n:

=6

x

m)

or

=7

and

n:

in

the

advance

nsec:

=

103

appropriate

sync)

WRITE

Sample

Analog-to-Digital

Conversion

Actual actual

the

PFN

SAMPLE

PFN

Example

If

then PFN

Lamp

energy

following

Lamp

Example

If Then Lamp

voltage

1

command,

voltage

SAMPLE

PFN

voltage

can

equation:

energy

PFN

voltage

lamp

energy

is

four

(0to1800

=

SAMPLE

1

returns

voltage

=

1000

now

be

=

energy

=

times

V),

then

a

=

100

V

determined

0.000025

1000

V

=

0.000025

25.0

the

query

multiply

1

x

count

x

10

x

(PFN

sampled

PFN

by

10

of

100,

or

V

from

PFN

voltage)

2

10002

x

voltage. voltage

10:

monitor

voltage

J

L

To

using

find

the

using

the

4—i

7

Quanta-Ray

Example

on

Example

OPEN pB.II’T’#1, PRINT#1, PRINT#1, PRINT#1, PRINT#1, PRINT#1, PRINT#1, PRINT#1, PRINT#1,

PRINT#1, PRINT#1,

PRINT#1,

Personal

a

1:

“COMi:

Series

GCR

Commands

Computer

RS—232

“CONFIGURE “CON “CON6,OU’l “SELECT “WRI “WRI6,0, “SELECT “WRI “WRI “SEL “WRI

set—up,

4800,N,8,2,”

5,

OUT,

1,”

4,0,WRI

WRI

2,”

WRI

4, 0,

WRI

6,

0,

WRI

1,

4,

0000B,”

laser

4, NON,” NON,

5,

7,

5,

7,

4,

0001B,”

Using

turnonand

RANDOM

FOR

OUTPU]

CON

0,” 0,”

0,”

Basic

GW

off

1

AS

NONCLOCKED”

NON,”

OU’I

7,

‘Initialize ‘Clear

CIM-1

‘Initialize

CIM-1

‘Open

‘Initialize

expansion

‘Open ‘Initialize

on

‘Turn

off

‘Thrn

COM1

RS-232

CIM-1

digital

CIM—1

expansion

power

as

input/output

ports

digital

ports

digital

ports

Example

PRINT#1, PRINT#1, PRINT#1,

Example

PRINT#1, PRINT#1,

Example

PRINT#1, PRINT#1, PRINT#1, PRINT#1, PRINT#1, PRINT#1, PRINT#1, PRJNT#1,

PRINT#1,

2:

Start

simmer

1,”

“SEL “WRI

“SET

Q-switch

3:

“WRI “WRI4,1001B,” “WRI “SET

4:

Q—switch

“WRI “SET “SET “SELECT “WRI “WRI “SELECT “WRI “WRI

OO1OB,”

6,

2,

0,”

off,

000DB,”

5,

OO1OB,”

6,

155,”

2,

on

OO1OB,”

6,

2,

155,”

204,”

1,

2,”

1,”

6,

1,”

7,

1001B,”

5,

O1O1B,”

4,

1,”

(assumes

lamps

with

100

at

power

10

jisec

is

Hz/60

delay.

on—see

(assumes

U

Lampsat1

Example

simmer

Hz/60

1)

‘Analog

‘Set

PFN

is

on)

‘Q-switch ‘Enable ‘Analog

PFN

‘Set

For6OU,PFNV See

J

(assumes

‘Analog

lamp

‘Set ‘Set

Q—switch

‘Set

rep

rep rateto1

‘Set

‘Enable

read

V

to

0

disabled

10

Hz lamp

read

volts:

J

d,

“SET

simmer

read

U

60

to

delay

rate

to1pps

Q—switch

operation

=

0.000025

n”

for

is

to

pps

and

=

1549

algorithm

on)

100

isec

(lower (upper

repetitive

4

—

bits)

V

2

firing

4-18

Computer

Interface

Module

Example5:Q—switch

PRINT#1, PRINT#1, PRINT#1,

Example

PRINT#1, PRINT#1, PRINT#1, PRINT#1, PRINT#1, PRINT#1,

“WRI “WRI

“WRI

Q—switch

6:

“WRI “WRI “WRI “WRI “WRI “WRI

5, 6,

6,

6, 4,

5,

6, 6, 6,

single

(Assumes

as

0001B,” 0001B,”

000DB,”

single

(Assumes

001DB,” OO11B,” 0001B,” 00018,”

1000B,”

0000B,”

shot

well

shot

lamps

at

some

a

preprogrammed

as

simmering

lamps

some

fixed

some

preprogrammed

PFN

rep

voltage

rate

rep

Q—switch

and

Q—switch

and

PFN

rate

and

delay

‘Enable ‘Send ‘Reset

‘Result:

from

predictable

‘Lamp ‘Enable ‘Enable ‘Thgger

‘Send ‘Thin ‘Result:

from mode Example is

voltage

PFN

setting—see

Q-switch

single

a

single

0-switch

single

delay

trigger

external single Q—switch

lamp

a

single

off

0—switch

lamp

characteristics

preferred.

voltage

shot

lamp

is

set—see

and

shot

trigger

5

mode

and

trigger

will

mode

output

single

lamp

Single

shot

will

setting,

example

single

trigger

fire

trigger

of

operation

mode

example

fire

Q-switch

and

lamp

fire

pulse.

are

of

single

4)

shot

pulse

Q-switch

on

pulse.

characteristics.

4)

shot

off

shot

trigger

on

Q—switch

Note:

not

shot

mode

delay

Note:

This

produces

fire

delay

output

guaranteed.

operation

Example

PRINT#1, PRINT#1,

PRINT#l,

External

7:

“SEL

“WRI

Q-switch

1,”

5,

110DB,”

5,

000DB,”

fire (Assumes ator

is

panel.

The

panel

and

lamps

required

pulse

adjusted

at

10

to

inject

generator

for

Hz/60

a0to

a

pulse

3—see

5

triggered

is

width

V

signal

example

into

from

of

1

msec

‘Enable

Result:

‘Disable

Result:

this

sion racy

2)

Setup:adelaying

the

and

external

method

required

is of

Q—Sw

“Ext

“Lamp

appropriate

Q-switch

Q—switch

Q-switch

0—switch

is

useful

the

CIM-1.

Sync”

will

than

pulse

Trig”

BNC

0—switch

fire

at

fire

stop

when

the

8-bit

gener

on

the

10

firing.

more

on

delay.

Hz

Note: preci

DAC

the

rear

accu

4-19

Quanta-Ray

GCR

Series

i’I

Example

CALL

IF

DELAY

LOC

PRINT#1,

CALL

DELAY WHILE WEND

SMMER$ iF

VAL

SIMMER$

ELSE

SIMMER$

IF

END

Example

PRINT#1, PRINT#1, PRINT#1,

TIMER

ON

TIMER

WHILE

WEND END

Simmer

8:

SEC)

(1

THEN

0

<>

(1)

(1

(1)

INPUT$

=

2,”

SEC)

“SAM

EOF

(SIMMER$)

“OFF”

=

“ON”

Computer

9:

“SEL

1,”

“WRI

7,

“WRI

7,

(5)

GOSUB

ON

1

monitor

DUMMY$

(LOC(1),

<

100

Interlock

0000B,”

OO1OB,”

CLOCKPULSE

(on/off

THEN

(assumes

simmer

#1)

INPUT$

=

laser

status)

is

(LOC(1),

and

on

#1)

‘Read

‘Wait

‘Let

‘Simmer

expansion

‘Open ‘Disable ‘Enable ‘Send ‘Enable

‘Endless

‘Clear

IJIB

ADC,

EOF

for

SIMMER$

=

off

=

on

PCB

DIP

digital

UIB

computer

pulse

clock

event

loop

input

=

0

255

switch

ports

interlock,

eveiy

trap

buffer

input

A-1N2

string

data

set

is

interlock,

5

timer

sec

5

sec

to

clock

sec)

8

clock

I

off

CLOCKPULSE:

PRINT#1,

“WRI “WRI

OO11B,”

7,

OO1OB,”

7,

‘Create ‘Clock ‘Clock ‘Result:

will interlock ser

computer on off

computer

blink

monitor

will

not

evexy

shut

pulse

clock

interlock

sec.

5

LED

off.

clock

Computer

is

always

LED

off.

La

4-20

Chapter

5

Installing

HG—2

WARNING

and

Operating

Harmonic

the

Generator

KD*P peratures

them ronment. factory-trained pink.

crystals

slowly.

wet

and

Check

are

sensitive

They

maintain

the

desiccant

service

to

are

also

a

low

engineer

thermal

water

relative

weekly

when

shock,

soluble,

humidity

and

have

it

turns

so

change

avoid

so

in

it

changed

from

their

tem

getting

envi

by

blue

a

to

Figure

5—1:

HG-2

Component

Identification

5—1

Quanta—Ray

GCR

Series

the

Find

the

on

wavelengths

put prisms,

Table

Stage 1st

2nd

Table

Output

nm)

X

1064

532

355

266

combination

left-hand

equivalent

or

Summary

5—1:

Summary

5—2:

of

Interest

Polarization

Vertical

Vertical Horizontal Vertical Horizontal

Vertical

Horizontal Vertical Horizontal

Vertical Horizontal Vertical Horizontal

side are

Arm

wavelength,

of

table.

the

of

collinear;

optics.

of

Position

0

I

II

0

T F

of

SHG

polarization,

the

Set

be

can

they

Translation

EEG-2

Settings

Crystal

—

I

I II II

I

I II II

I

I II U

and

HG-2

as

separated

1st

Type

Type 2nd

Positions

stage

SHG

2

I

IT

stage

Arm

THG3crystal FHG

4

Main

crystal

Housing

Position

—

Horizontal

Vertical

Horizontal

Vertical Vertical

Horizontal

Vertical

Horizontal Vertical

Horizontal

Vertical

Horizontal

SHG

described

dichroic

by

crystals

crystal

SHG

2

crystal

crystals

in in

crystal

on

Crystal

out

out beam beam

HG-2

1st

Position

for

right-hand

the beam

Position’

beam

of

beam

in

beam

in

of

path path

Settings

1

Stage

0

I

I II II

I

I II

II

I

I II II

the

splitters,

beam

output

path

interest

of

All

side.

dispersive

Stage

2nd

Position

0 0

0 0 0

T T T T

F

F F F

I

out

with

HG-2

harmonic

Type

orientation

the

of

an

Generation

second

II

the

hannonic

produces

the

of

1.

2.

3.

4.

5.

5-2

describes

Table

Second

Third Type

Fourth fundamental.

Refers polarization

Harmonic

Hannonic

second

I

Harmonic

to

a

full

complement

nm)

(532

nm)—occurs

(355

optimal

(266

nm)

harmonic

axis

of

are

output

by

harmonic

third

—occurs

produces

rotation

of

perpendicular

hannonic

of

summing

generating

by

optimal

first

the

to

generation

fundamental

the

performance.

the

second

harmonic

fourth

crystals.

stage

axis

this

of

crystals.

harmonic performance.

Both

rotation.

(1064

first

the

nm)

of

stage

the

and

second

its

second

harmonic

translation

harmonic.

of

and

ann

the

Harmonic

Generator

HG-2

Controls

Input beam

Crystal and

out crystals. of

the

5—2).

Notches

Never running.

Angle

of

the

aligning Main

ization

desired

Polarization

align

to

Rotator—rotates

it

with

Translation of

the

beam

The

first

stage

polarization

move

Tuning

crystal

it

for

with

in

the

Knob

the

of

arms

crystal

most

input

Housing—rotates

of

the

output.

orientation.

the

first

Arm

(one

path

and

crystal

the

output

lock

into

(one

for

efficient

beam.

about

Clamping

the

crystal.

stage

for

each

serves

as

translation

beam

the

(see

crystals

WARNING

out

or

each

of

tuning

harmonic

the

optical

screws

lock

polarization

stage)

a

the

lever

arm

note

in

beam

arm)

—slides for

serves

five

position.

—adjusts

generation,

axistochange

the

polarization

angle

as

following

while

of

the

tuning

an

the

optically

the

input

crystals

the

indicator

Table

laser

is

angle

polar

in

the

in

Installing

the

HG-2

The

HG-2

following

crystals

1.

Remove Install

2. in

place.

Install

3. spring-loaded

next HG-2

4.

Place with mounting ment

Slide

5.

moves

optically

was

procedure

in

the

unit.

wrapping,

the

L-frame

the

HG-2

screws

hold-down

to

a

vertically.

the

HG-2

corresponding

screws,

of

the

HG-2.

both

crystal

the

crystals

aligned

should

tie-downs,

extension

baseplate

hold

screw,

so

the

four

threaded

but

leave

translation

Out

of

be

the

optimal

on

it

work

the

at

and

on

the

factory,

restrainers

the

L-frame

down.

against

elongated

holes

them

loose

arms

to

beam

harmonic

OCR;

Three

setscrews,

the

holes

in

the

baseplate.

allow

to

the

“0”

path.

the

so

result

generation

from

two

cap

extension;

springs

its

on

yoke

horizontal

position,

HG-2.

the

screws

three each to

adjust

Start

which

of

the

from

hold

located

line

all

move

all

it

the

up

four

5—3

Quanta—Ray

GCR

Series

________________________________________________

6.

Start

the

laser,

then

set

its

controls

follows:

as

I

LAMP

Q-SW REP

Q-SW

COMPUTER

SINGLE

LAMP

Adjust

7. both

on for vation.

loaded

loosen

screw

Connect

8. for

ENERGY

DELAY

RATE

MODE

toggle

the

input

the

If

screws

one

15

Control

toggle

SHOT

switch

HG-2

input

the

beam,

must

you

allow,

spring-loaded

Repeat

it.

to

purge

the

before

switch

output

and

move

“walk”

switch

reduce

the

screw

toggle

horizontally

and

with

system

proceeding.

and

beams.

HG-2

the

to

the

vertical

and

other

the

vertically

Use

ambient

vertically

adjustment.

tighten

vertical

harmonic

Setting threshold

near

25

pps

10 LONG ]NERNAL REPetitive

OFF

to

an

the

PULSE

center

JR

card

for

light

more

vertical

adjustments.

generator

windows

its

detector

a

as

easier

than

Simultaneously

obser

spring-

its

adjustment

purge

and

Operation

Turn

9. an

the

and

Verify

1. before

2.

Set

Never running.

Example—to crystal:

a. places

b. moves

on

card.

IR

beam.

check

the

proceeding.

crystal

the

move

Slide

the

Slide

the

laser

the

Adjust

Turn

the

again

flow

the

for

through

translation

the

crystal

obtain

first

TypeIcrystal

second

and

the

HG-2

clipping.

the

stage

check

baseplate

to

purge

the

arms

WARNING

or

into

second

crystal

in

the

crystal

crystals

clipping

for

of

other

the

system:

for

out

of

harmonic

translation

beam

translation

out

of

HG-2

the

polarization

the

wavelength

beam

the

path.

the

of

output

the

if

the

orientation

while

arm

beam

for

of

the

to

path.

purge

fromaType

armto“I,”

beam:

crystal

mm.

15

interest.

laser

I

which

“0,”

use

clips

I

is

SHG

which

5-4

3.

Turn angle

the

of

main

the

housing

output.

on

its

yoke

to

orient

Harmonic

the

polarization

Generator

Example—to (from

a.

Turn lation tion

As

a

the

tuning

Use protective Make and

4.

Switch ENERGY

crystal

above):

arm

for

rule,

all

in

the

to the

for

the

tuning

obtain

main

housing

is

horizontal,

the

polarization

the

axis

of

the

DANGER:

eyewear

adjustments

LONG

PULSE

0-SWitch

around

maximum

position

horizontally

on

which

crystal.

NOTE

of

crystal.

LASER

throughout

with

the

(Q-switch

mode,

output

on

its

the

laser

the

at

vertically

harmonic

slightly

the

polarized

yoke

second

until the

orients

is

perpendicular

RADIATION

the

rest

of

near

the

off)

mode.

above

control),

then

wavelength

first

the

this

procedure.

lasing

threshold

angle

of

interest.

harmonic

stage

trans

axis

of

threshold

(LAMP

tune

rota

to

the

Type

I

and

II

Crystals

5.

Mjust

The the

polarization

The

type

early

polarized

10%

to

more

conversion The

type

elliptically than

a

type

the

rate

of

I

crystal

3rd

efficiency

II

crystal

polarized,

I.

It

polarization

rotation

rotator.

creates

and

is

useful

harmonic

overall.

creates

and

is

typically

of

a

has

rotator

NOTE

the

beam

1064

when

power

1064

a

used

for

nm

residual

mixing

than

nm

slightly

for

dye

maximum

polarization

fundamental

frequencies.

a

type

II,

residual

higher

laser

fundamental

conversion

applications.

output.

is

twice

but

has

that

of

that

is

It produces

a

lower

that

efficiency

lin

up

is

5—5

Quanta—Ray

GCR

Series

HG-2

Controls

Temperature

Controller

temperature

The maintaining

PoWeR CHANNEL

second as

CHANNEL of over

CHANNEL third

periodically

CHANNEL of

30—50°C

CHANNEL fourth

Switch—turns

harmonic

controller

the

second

the

turns.

20

and

third

the

harmonic

over

stable

HEATER

1

INCrease

1

harmonic

HEATER

2

fourth

as

INCrease

2

and

ON/OFF

2

controller

output

crystals.

maintains

harmonic

controller

the

fourth

turns.

20

crystals.

stabilizes

despite

on

the

indicator—glows

The

the

TEMPerature

crystals.

indicator—glows

crystals.

TEMPerature harmonic

switch—turns

changes

temperature

lamp

temperature.

Its

The

maintains

crystals.

the

temperature

in

controller.

the

as

will

turn

control—sets

range

is

the

as lamp the

temperature.

control—sets

Its

heater

the

on

of

ambient

controller

on

approximately

controller

will

range

temperature.

off

and

the

on

turn

the

approximately

is

the

for

temperature

crystals,

the

heats

periodically

30—50°C

and

third

the

off

and

heats

fr

Operating

Voltage

Figure

I

5—2:

ON

PWR

w

Temperature

CHANNEL

HEATER

INC

TEMP

Control

U

TEMPERATURE

1

CHANNEL

HEATER

Panel

—

CONTROLIJ

2

INC

TEMP

5-6

Harmonic

Generator

Second Third

Harmonic

Fourth Harmonic

and

The

temperature

operation.

1.

Remove

2.

Find the the

the The

3.

•

4.

Replace

(TypesIand

Generation

1.

Turn on

2.

Select

and

Turn

3. the

controller

To

change

the

coverofthe

voltage

transformer.

power

115 V—

230

fuse

line

must

1/8Aslow-blow;

V—1/16

the

cover.

voltage.

also

operating

the

selector,

Slide

the

match

A

slow-blow;

II),

the

controller

crystals

and

output

5—2.

on

the

laser

and

adjust

wavelengthofinterest.

factory-set

is

voltage:

temperature

which

is

switchsothe

the input

the

channel

polarization

HG-2

the

for

either

115or230Vac

controller.

located between the

voltage

displayed

voltage:

two

heater.

describedinTables

as

for

maximum

fuse

matches

output

and

5—1

at

4.

Watch minutes

odically to make

If control for

If its should

The

5. to its At nel2heater,

the

while

when

room

temperature

sure

either

lamp

clockwise.

a

short

either

INC

lamp TEMP stay

fourth

generating

critical

this

point,

HEATER

indicators.

the

crystals

the

temperature

as

the

crystal

shuts

temperature

off

and

The lamp

time,

and blink

continues

pot

counterclockwise

off

forashort

hannonic

ciystalistemperature

UV,italso

phase-matching

either

and

reduce

let

the

They should

warm

is

possible,

stays

should

after

glow

to

time

absorbs

angle

input

the

crystal

up.

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stable.

but

Try

monitor

remains stable.

that

way,

on, glow

turn

that.

after

10

mmofoperation,

until

the

and

blink

it.

When

and

output

power or

cool

off.

remain

lamps

to

turn

on

will

operate

the

indicators

the

for

blink

INC

continuously

lamp

after

dependant.

too

power

shuts

that.

In

warmitapproaches

will

turn

off

the

several

peri close

as

to

TEMP

turn

off.

It

addition

diminish.

Chan

5—7

Chapter

6

Maintenance

Maintaining

the

Cooling

1.

2.

3.

Air

Purge

1.

HG-2

System

Circulate the

laser

Inspect power with

Replace deionizing “Replacing

the

supply

distilled

the

System

air

The

control ing the bly, Refer

slots

color

oil

to

panel,

ifiter,

filter

above

“Replacing

water

is

not

water

cover.

water

deionizing

filter

the

assembly,

can

changes

and

through

in

use.

level

in

Keep

every

filter

has

changed

Deionizing

which

seen

be

purge

the

from

blue

particle

the

system

the

three

when

Water

through

controls.

to

ifiter

Air

Filter

reservoir

months.

all

color

is

to

Filter”

mounted

the

As pink. when

Assembly”

for

30

through

at

the

yellow

light

below.

behind

horizontal

its

desiccant

Change

the

desiccant

mm

least

brown.

the

below.

every

the half

resin

Refer

the

row

is

air

is

week

slot

full.

in

power

consumed,

filter

exhausted.

in

the

of

ventilat

when

the

Replace

to

supply

assem

1.

2.

3.

not

Do factory-trained

Keep Check

it Use

tissue

attempt

the

changes

only

to

crystals

condition

from

spectroscopic

clean

remove,

to service

sealed

blue

window

WARNING

engineers

and

of

the

to

pink.

grade

surfaces.

replace,

heated

desiccant

methanol

to

or

open

at

add

all

daily;

and

crystals.

your

HG-2.

times.

have

it

photographic

Allow

replaced

only

when

lens

6—1

Quanta—Ray

GCR

b

Series

RepIacng

Procedure

Delonizing

the

prevent

To pump while

water

of filter part

Tools

•

1.

Water

lose

to

water

spillage.

cartridge

number

needed:

Medium

in.

3/32

in.

9/64

Small Small

absorbent

An

Remove head

screws

side,

each

panel.

from

air

prime,

stifi

is

with

for

flat Allen Allen

cork bucket

the

and

Lift

Filter

in

The

the

blade

wrench wrench

for

towel

power

in

the

getting

deionizing

the

system.

the

following

minimum

cartridge.

screwdriver

plugging

supply

handle

each

four

the

cover

off.

into

Doing

procedure

chance

end

cover

screws

the

of

well,

on

cartridge

means

so

will

spillage.

of

removing

by

two

the

pump

water

filter

cartridge

and

there

allow

Table

screws

perimeter

causing

must

you

the

at

of

be

the

is

to

7—2

three

the

replaced

possibility

replace

the

lists

button

of

base control

the

2.

3.

4.

Loosen leaving

filter

the

of

edge

it

Tape

with

ing Support

Allen frame.

the

pull

water

the Place

water

tridge

in

filter leave

the

for Quickly water

cartridge

hose

the

clamp

the

cartridge.

plastic

the

place

in

cork.

the

filter

the

screws

head

Lower

cartridge

reservoir.

towel

a

that

may

removed.

is

will

(it

the

on

it

pump),

place

leaking

from

upside-down

clamp

to

the

under

leak

be

hose.

and

your

at

the

on

Keep

shroud

insure

assembly

holding

assembly

filter

between

out

it

Lay

filter’s

the from

of

Hold twist finger

out

in

a

and,

Have

full

the

top

hose,

hose

the

prevent

to

stays

it

with

the

down

hose

the

small

water).

onto

pull

and

over

at

the

bucket.

the

of

remove

there.

one

filter

below

the

horizontally.

bottom

bucket

Loosen

the

almost

the

vertical,

water

Plug

hand,

bracket

vertical

cartridge

or

hose

cartridge

the

end

the

filter

the

hose

close

the

(to

of

hose

and

from

the

and

to

top

frame

clamp

by

hose

provide

the

same

cartridge

from

it

hang

leaking

cartridge

remove

power

the

frame

member

to

when

put

to

clamp

of

free

to

hose

time,

and,

the

over

from

the

plate,

catch

the

car

the

but

strain

the prevent place

of

top

the

open

two

supply

and

any used relief

hose.

the

it.

6—2

5.

6.

7.

8.

9.

10.

11.

Attach cartridge. upright

Loosen cartridge.

not

Do Place

fits ing around

place Attach Pull

long the

Turn ever

Replace

the

properly

the

and

the

neck

hose.

the

drops

the

bottom

Water

and

the

Remove

tighten

new

bottom

it.

Replace

tighten

the

upper

return

funnel

pump

below

the

tighten

large

the

cartridge

hose

on

power

will

steel

the

to

the

hose

to

and

half,

supply

hose

begin

the

steel

the

hold

steel

out

fill

to

the

to

hose

clamp

bracket,

clamp

into

the

vertical

the

Allen

clamp.

the

to

of

the

reservoir

let

it

turn

off

cover.

carbon

flow

clamp.

holding

and

yet.

frame,

frame

filter

screws

filter

water

run

for

the

granule

into

the

install

it

and

member.

while

that

hold

Insure

assembly.

pump

reservoir

with

distilled

10

mm.

the

and

end

filter.

filter

bracket

on

the

orient

To

rotating

the

assembly

cap,

If

the

add

of

Stand

new

it

so

prevent

the

bracket

and

water.

reservoir

more

Maintenance

a

new

filter

the

filter

the

to

cartridge.

the

bracket

is

use

Re-insert

water.

old

bracket

twist in

secure.

a

level

Replacing

Procedure

the

Air

Filters

The cant

ually. Tools

•

Medium

•

9164

•

3/32

1.

Remove head each

panel.

2.

Remove

of hose air

3.

Support Allen

bottom from

three

filter

Table

needed:

in. in.

the

from

hose

the

air

filters:

assembly,

7—2

flat

Allen

the

screws

side,

and

Lift

the

flow

gauge

the

from

the

head

screws

the

of

supply.

input

should

lists

the

blade

wrench wrench

power

in

each

the

four

cover

retaining

(left

flow

the

small

filter

assembly

holding

top

tray.

oil

filter,

replaced

be

part

numbers

screwdriver

supply

handle

gauge.

off.

side

cover

screws

that

of

In

air

hose

with

the

Lower

well,

output

by

the

on

holds

power

like

manner,

(right

one desiccant the

particle

one

at

for

these

removing

two

the

perimeter

the

supply),

side

hand,

filter

filter,

time

components.

the

screws

inlet

air

and

separate

of

power

and

remove

filter

brackets

assembly,

and

not

three

at

the

of

the

hose

separate

the

supply).

and

desic

individ

button base control

to

the

large

the

to

remove

of

top

the

outlet

four

it

6—3

Quanta-Ray

GCR

Series

Replacing

the

Flash

Lay

4. components

The

end endofthe old

Loosen

5.

brackets

new

clamps. Follow

6.

into

slideabit to clamps.

7.

Follow

and

Lamps

For

optimal

of

operation.

directly

the

new

small

with

filter

the

desiccant

components

the

from

one,

noting

step

the

power

on

match

thoseinthe

steps1and

replace

performance,

Table

from

Spectra-Physics.

filter

(note

marked

longest

and

large

the

3

above

supply

the

power

7—2

components

directionsofthe

the

“Grade

hose),

filter.

attach

clamps

band

desiccant

old

proper

orientation.

in

reverse

and

desiccant

tray.

in

reverse

2

supply cover.

the

provides

outina

BK”

andisconnect

Remove

the

theminlike

and

remove

cartridge.

ordertoplace

secure

it.

The

cartridge

Once

secured,

order

lamps

should

part

numbers for

manner

arrows

goes

hoses

manner

Do

to

allow

on

the

to

the

and

the

Attach

not

tighten

the

brackets

the

tighten

reconnect

replaced

be

ordering

similar

the

small

input

to the

end

carbon

fittings

to

two

them

from

the

new

mounting

to

the

band

new assembly may

have mounting the band

the

air hoses

after

lamps

old

filters).

(the

granule

the

ones.

the

to

holes

550

hrs

Procedure

1.

Turn Allow

As

an

nect

2.

Remove high terminal

3.

Disconnect

4.

Disconnect the assembly. This into

the

Prevent

could

off

the

laser

mm.

5—10

extra

precaution,

the

power

the

cover

voltage

shield

posts

lamp

power

water from

contaminate

and

open

the

for

all

capacitors

DANGER.

HIGH

open

cord.

the

from

that

laser

covers

A andB(Figure

leads from the

water

will

hose

allow

located

the

waterinthe

supply.

WARNING

flowing

the

face

down

of

power

to

VOLTAGE

the

circuit

head,

the

lamp

6—1)

terminal

onto

the

Nd:YAG

supply

discharge.

breaker

then

housings.

on each

posts.

at

the top of the

head to

the

dust rod.

circuit

and

remove

pump

drain

tube,

breakers.

discon

the

Short

chamber.

lamp

back

which

plastic

together

house

6—4

Maintenance

Figure

6—1:

servicing

5.

Loosen

of

the

Remove

6.

7.

Handle touchingitwith

Reverse

8. Insert

identified anode trode

Make lamp

Tighten

Connect

9.

Short

the

flash

and

lamps.

the

steps

lamp

the

by

lead.

is

segmented

sure

all

housing.

all

thumb

the

together

posts

lamps.

remove

the

thumb

lampsbypulling

flash

new

one

a

The

your

cathode

red

0-rings

fingers.

through

mark

anode

and

lamps

end

on

electrode

cone-shaped.

are

screws

water

hose

to

A

it

using Clean

six

to

(black

its

seated

evenly

the

B

and

to

screws

out

anode

white

the

install

lead)

electrode

is

solid,

snugly

snugly.

and

of

top

prevent

and

nylon

new

a

in

the

block

end

lamps

new

first.

and

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the

rod

an

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from

lead)

with

when

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avoid

methanol.

shock

(red

gloves;

lamps.

anode

The

the

on

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cathode

the

grooveofthe

overtighten.

not

assemblies.

ends

first.

end

red

is

elec

6—5

Quanta-Ray

GCR

Series

10.

After

installation,

interlock,

ing

water water leaks

the

If in the

cover

leak

a

step

lamp

pump

after

then

into

5

interlock,

occurs,

one.

in

test

press

the

and

inspect

sec.,

the

turn

Remove

its

housing.

the

lamp

and

off

the

for

water

ON

housing.

again

seals

install

the

thumb

Check

button

are

laser,

leaks

If full

at

tight. the

screws

the

follows:

as

long

enough

no

leaks

pressure.

Turn

off

laser

head

observing

and

seating

occur,

If

the

cover.

the

blocks,

of

the

defeat

to

turn

there

laser,

danger

then

0-rings.

the

move

are

activate

cover

cool

the

on

no

warning

center

6—6

I

Chapter

7

Service

and

Repair

System

COMPUTER/INTernal

Enabling

Description

Signals

Figures and

control

are

located

Switch

Selects module

Enabling lamp mode, operation. directly. the

Interface

either

If

the RS-232-C only

firing,

choice

RS-232-C

7—1,

7—2,

board

at

as

the

CIM-1

one

signals

choice

The

When

Module

and

7—3

—the

assembly—illustrate

end

the

optional

the

control

option

and

may

be

control

of

single-shot

remote

CIM4

the

or

IEEE

(CIM-1),”

of

unit.

IEEE

used

lamp

488

this

CIM-1

is

488

at

laser

control

option

system

section.

interface

NOTE

included

interfaces

time).

a

start-up,

trigger

or

repetitive

module

is

interface.

for

instructions.

block

the

as

part

are

analog

oscillator,

operation,

supplies

used,

Refer

commands

to

diagram,

following

or

the

remote

of

the

selected

strobe

Q-switch

enabling

Chapter

schematic,

discussion.

control

system,

(although

triggering,

triggering

and

single-shot

signals

may

be

4,

“Computer

the

sent

All

flash

via

Analog

Signals

Analog

tor,

the advanced voltages signals

The

analog

trolled, The

laser

High

tion.

jumper

5

msec

transfer

voltages

Q-switch

sync

signal.

directly.

directly

depending

#1

gate

from

strobe

shipped

was

current

its

to

aperture.

the

as

control

triggering The

commanded

function

on

provides

alternative

computer

the

The

CIM-1

placement

from

This

flash

lamp

delay,

remote

can

the

continuous

configuration

mode

bus

and

control

interface

the

by be

either

of

jumper

factory

will

with

a

accept

energy,

the

timing

module

attached

edge-triggered

in

a

analog

allows

time

supplies computer

#1

on

level

data

edge

triggered

restricted

the

variable

of

the

supplies

or

the

control

controlled

transfer.

triggering

analog

window.

oscilla

Q-switch

analog

these

analog

or

terminal.

level

board.

configura

Changing

of

data

con

a

7—1

Quanta-Ray

GCR

Series

Q-switch

0-switch

Delay

Advanced

Under turned ground. lator the

After

passes

form Q-switch sion

the

Sync

The and one controls ADVance

delay

compared.

is form

rise

shorting

by

data.

firing

control, computer

on,

signal

a

the

internal

off

Under

turned

is

analog

the

through

to

meet

delay.

develop

to

peakofstored

Generator

signal

splits,

voltage

timing

the

SYNC

provides

the

The

to

time

meet

output

=

20

nsec,

the

analog

the

ANALOG

control,

then

data

Held

will

emerges

drive

150—500

regeneration

requirements Q-switch

pulse

This before

energy.

passing

through

programmable

of

“pretrigger”

the

connector

timing

reference

advance

signal

5

V.

strobe

STROBE

analog

flow

untilitis

will

typically

the

from

one-shot

of

delay

lisec

triggering,

pair

a

(300—1300

the

on

power

against

pulse

sync

requirements:

is

wired

strobe

drift

computer

the

allows

delays,

of

signal

supply

generator

“on.”

is

connector

off

until

off,

10%

IIPTJT

turned

about

test

shapes

that

voltage-programmable

the

population

so

the

Q-switch

fIxed

one

psec).

at

The

the

Q-SWitch

panel.

which

the

shapes

pulse

width

It

can

its

which

in8mm.

delay,

the

opens at

(800

variable

The

fixed

variable

the

=

5

be

to

optoiso

stores

it

wave

inver

nsec)

delay

delay wave msec,

Mode

Switch

(Ull)

function

This In

the

0-SWitch delay sion. cell

pulse.

INPUT

The

opens

The

simultaneously,

In

on

source

enables

the

LONG

EXTERNAL

the

power

the

of

the

mode,

Q-switch

PULSE

holding

enabling COMPUTER/INTernal CIM-1

remote the

computer

Q-switch connector,

installed and

is

control

module

is

triggering

regardless

the

source

signals

switch.

of

one

a

signal

momentarily

mode

mode,

supply

signal

switch,

remote

the

supplies

under enter

of

the

three

sources

from

triggers

the

Q-switch

a

panel

depends

is

or

the

COMPUTER

through

position

the

at

the

signal

fires

from

control

signal

of

Q-switch

trigger

voltage-programmable

the

point

flash

open

the

at

Pockels

the

on

the

computer

jumper

under

the

0-SW

COMPUTER/INTernal

the

maximum

of

lamp

and

throughout

Q-SWitch

cell.

position

if

plugisused.

INTernal

control.

All

TRIG INPUT

TRIGger

the

signals.

inver

Pockels

the

lamp

the

of

optional

The

control;

external

*

I

7—2

Service

and

Repair

Q-switch

Single-Shot

Drivers

Operation

The mode is

a

pulse which pulse

output

generator

the

enabled)

a

produces

tortoproduce connector

V

5

(5

Firing shot either SHOT come the

remote allow armed

The under without

select at

a

programmed

on

msec

single

a

flip-flop

computer

the

switch

from

either control

the

single-shot

computer

adversely

the

10

fixed

and

few

a

the

and

shot

and on

available

the

function

Hz

delay

fires

psec

long

the

signal

stretches

signal

that power 200

psec

requires

onetofire

(pins remote

the

computer

the

panel.

flip-flop

control,

affecting

oscillator

rate.

passes

the

Marx

through

bank

thatisamplified

that

drives

output

the

appears

supply

rise

27

and

two

it.

and

time).

The

at

signals:

17)orthe

control

(pins

Once

pulse

prevents

operates

can

armed,

to

fire

the

with

be

usedtovary

focusing

the

at

lamp

pulse

the

of

the

at

the

origin

panel.

and

6

the

passage

all

of

the

source,

the

mode

switch

generator.

the

by

Marx

0-SW

computer

one

of

bank.

to

the

Marx

bank

SYNC

connector

enable

enabling

The

pulse

REPetitive/SINGLE

The

5)

or

single-shot

Marx

trigger

the

Nd:YAG

then

firing

bank.

of

signal

the

FIRE

circuit

Until

subsequent

sources,

pulse

repetition

rod.

fire

(Q-switch

result

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bank

buffer,

Q-switch

genera

OUTPUT

(pin

the

single-

signal

can

button

will

it

is

pulses.

and

To

do

single

shots

46):

is

on

when

rate

so,

Inhibit

OFF

Switch

[STOP]/ON

Applies

prevent

an

OR remains shut

[ENABLE]

Function switch, remote the

ON

cuits

control,

(ON) option)

the

laser.

regardless The

line until errors

voltage lamp

gate

active

off

at

buttons

depends

or

control

button

and,

both

button

and

The

line

dropout

voltage.

all

power

logic

in

that

the

is

hard

after

(or

an

of

The

to

firing.

allows

under

remote

on

wired jumper closes a

10

an

enabling

using

“on”

lighted

the

position

detector

initializing

supplies

start-up.

the

reset

The

either

computer

control

the

“on”

plug

the

sec

the

signal

buttons

have

line

inhibit

position

is

main

delay,

signal,

remote

from

identify

of

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will

circuits

of

the

lamp

sync

and

of

them

control,

source

to

so

fault

inhibit

the

panel.

of

the

COMPUTER/INTernal

if

the

CIM-1

used.

relay,

starting

derived

control

the

computer

Under

the

option

internal

activating

the

laser.

pressing

by

jumper

are

operating

COMPUTER/INTernal

shut

off

the

laser

prevent

energized,

transfer

preventing

pulse

signals

firing.

laser

is

all

Under

plug

required

status

if

it

generator

pass

The

always

can

installed control,

power

computer

ENABLE

the

with

of

switch.

senses

laser

of

mishaps

through

switch

and

pressing

supply

CIM-1

the

turn

to

the

loss

a

control

due

to

be

the

cir

on

laser,

of

to

7—3

Quanta-Ray

GCR

Series

Interlock

Logic

interlock

The

operation:

free

switches,

flow.

The tion lock off logic

The will nearly put

If

delay,

If

environmental

of

fault

powertothe

power

logic

prevent

zero

upon

interlock

no

and

one

or

“interlock

the

remote

external

The

and it

must

interlock:

interlock loop

the lockisa

shielded

the

laser

logic

external

cooling

water

external

discovered,

is

switching

on.

also

receives

starting

upon start-up.

start-up.

faults

after

10

more faults

fault”

signal

control

interlock

wired

be

grounding

possible in

hostile

case

sourceofnoise,

near

examines

several

interlock,

temperature

interlock

safety

connectorisincluded for

devices

the

logic

supply

input from

the

laser

until

This

are detected, the

the laser

sec,

are

detected,

will

appear

panel.

connector

usingatwisted

will

blowafuseinthe

and

prevents

environments.

the

external

sensorstoensure

head

and

laser

and

flow,

switching

power

safe,

supply cover

supply

simple

suchasa

trips

and

the

prevents

will

start.

the at

operates

wire

the

simmer

lamp

logic

laser

the

door

switch.Ifan

main

contactor,

transformer,

voltage

level

energyisreduced

accidental

high

enables

will

not

computer

from

pair.

bus

the

15Vpower

Do

not

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the

start,

ground

shutting

leaving

sensor;

power

turn-on

and

(pin

which

starting the laser. The external

and the

This

interlock

twisted

shield

connector.

should

wire

pair

be grounded to

trouble-

air

installa

inter

it

to

out

an

and

48)

supply,

the

opens inter

should be

Pulse

Forming

Network

The

pulse

forming the silicon-controlled flash

lamps

The

switching

into

dc

age

(V)

It

can

the

RS-232-CorIEEE tional provided CIM-1

Safety

the

energy

switched

that

voltage

is

be

set

CIM-1

at

interface

circuits

storage

off.

pumps

power

for

programmable:

either

computer

20

of

(refer

associated

network

rectifier

the

supply

the

pulse

with

the

488

interface

computer

the

to

Chapter4for

with

capacitor.

producesacritically

(SCR)isfired.

Nd:YAG

rods.

transforms

forming

Vf

=

remote

interface

if

module.

interface,

line

network

225

control

your

A

•

V,

PFN

This

voltage

module

system

0to8

details).

the

pulse forming

This

will

occur

when the

damped

pulse

(PFN).

where

includes

voltage

V,

network

pulse

drives

when the

(208V,nominal)

The

PFN

volt

V

=

or

and

will

laser

0to8

via

monitor

also

V.

either

the

op

is

via

the

discharge

is

I

7—4

Service

and

Repair

The

complete Avoid long the charge. can measures.

Circuitry voltage An

indicator nector breaker

lamp

The

generator,

pulse el,

and

SCR

The pulse the

generator

pulse

capacitor

contact

after

capacitor

Please

explode

within

drops,

located

glows

to

override.

to

sync

the

“lamp

pulse

transformer

DANGER.

discharges

discharge,

with

turning

off

may

note

discharged

when

the

switching

which

can

pulse

generator

LAMP

the

triggered”

generator

for

the

to

and

lamp

the

then

be

that

cause

to

a

low

SYNC

conditions

SCR

fire

HIGH

slowly,

no

voltage

or

capacitor

power.

shorted

charged,

in

this

supply

SCR

switching

the

line

condition;

provides

OUTPUT

monitor

driver. the

SCR.

VOLTAGE

requiring

terminals

an

As

additional

remove

to

large

manner,

monitors

failure,

supply

a5msec

on

the

output

This

sends

at

least

monitor

for

any

electrolytic

so

take

line voltage.

the

supply

control

reset

the

signal

on

the

power

computer

of

the

a

1Apulse

1

mm

is

available.

at

least

precaution,

remaining

capacitors

appropriate

If

will

shut

input

main

to

the supply

(pin

47).

lamp

sync

through

for

that

the

off.

con

circuit

SCR

pan

Flash

System

Lamp

Start-up

Simmer

Supply

This

supply

the

Marx mer current couples down off

ing

the

the start

the

Tests

The

following start-up source Spectra-Physics system.

of

provides

bank

sensor

a

high

lamp.

circuit.

simmer

of

the

system

(500

voltage

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supply

table

GCR.

failure.

field

voltage

V),

and

activates

pulse

the

lamp

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via

the

describes

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service

the

to the the

flash flash start

through

starts,

to

Chapter

optional

events

are intended

the results

engineer

lamp

circuit,

the

lamp

simmer

4

for

CIM-1

that

as of

quickly

start

simmer

which

housing,

current

information

module.

occur

a

guide

this

during

test

isolate

circuit

(200 current. capacitively

breaking

flows,

on

monitor

a

normal

for

identifying

help

to

and

your

repair

V),

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sim

shutting

your

the

7—5

Quanta-Ray

GCR

Series

Table

7—1:

Action

Close breaker the

Press

on module

Turn

control

clockwise

key

the

LAMP

the

remote

System

power

and

switch.

ON

ENERGY

fully

line

turn

on

button

control

counter-

Start-up

Turns the LOCK nience

Turns panied fan,

on

Turns lished

Tests

on

power

remote

FAULT

outlets

on

the

by

a

power

the

EMISSION

off

INTERLOCK

(about2sec).

Initiatesa10

After foraloud is supply;

10

applied

the

sec

click.

to

operational. LEDs and

three

(P.S. operating control

mode*;

PC

Afterahalf-second

establishing

result,

a

and

lock plug

noticeable supply

The

the

control

laser

the

dump

and

click.

is energy.

the

to

control

module

lamps

at

110Vac.

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small

supply

start

sec

K2

the

noise;

fan,

ENABLE

safety

closes,

All

simmer

circuit,

one

INHIBIT)

the

board.

delay

the

simmer current;

SIMMER

relay

the

large

LED

PC

board,

fully

operational

control

on

the

on

starts

laser

FAULT

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pulling

timing

transformer

the

(Q-SW

flash

LEDs

the

indicator

(K502),

grey

four

glows

Result

PC

board;

and

both

the

power

the

head

lamp

remote

the

water

fan;

lamp

supply.

control; enables

the

on

when

provided

in

the

main

logic

becomes

and

Marx

are

start

bank,

ADV

when

located

circuit the on

SYNC), two

the

start

the

located between

capacitor

(P.S.

ON/OFF),

(C504),

continuously.

at

this

point;

lights

POWER

Energizes

closes

pump,

the

laser

water

no

interlock

contactor

operational;

switching

the

and

its

laserisin

on

the power

ignites

circuit

remote

the

pulls

also on

increase

OFF

the

and

lamp

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all

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K3,

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head.

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flow

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control

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7—2:

Description

Maintenance

Flash

Deionizing Filter

particle

filter,

lamps

kit.

(micron) filter, air

and

Electrical

Control Start Marx Lamp

power Relay,

Thyristor, Diode

PC

circuit

bank

kit.

supply K501,

module

Replacement

cartridge,

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air

purge

board

assembly

Includes:

and

power

dual,

desiccant

system

assembly

incandescent

to

SCR

cooling

purge

(input),

switching,

Parts

system

filter

(tested)

lamp,

assembly,

system

grade

lamp,

remote

simmer

(output),

BK.

power

supplies

(air

purge

grade

ON

indicator.—

ON/OFE

system),

oil

AQ,

Part

Number

0004-0725

0437-8440S

9800-0040

0446-3880S 0004-2086S 0004-2087S

9800-0070

4500-1012 4803-0540 4802-2478

7

I

Switch,

Fuse

kit.

4

A

SB,

FB,

and

Optical

Thin

film

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Gold

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reflector

circuit

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switching

3A

SB.

polarizer

mirror

cavity

rods

breaker

0.25

regulator,

A

FB,

0.5

A

FB,

1ASB,1A

0.5

FB,

A

SB,

1/8ASB,

1.5

A

SB,

1/16

A

5

100-1002

9800-0060

0005-0020

contact

0100-4460

contact contact

contact

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factoiy factoiy

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7—8

Chapter

8

Customer

Service

Warranty

At Spectra-Physics,

manufacturing

Our tency, finest ability strate instruments your

Spectra-Physics Europe, major service

Replacement For contact strument tions

Unless

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office

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Quanta-Ray

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Repair

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paid

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shipping obtain Physics

Australia

Spectra-Physics

2-4 Post

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Belgium Spectra-Physics

North Noorderlaan 2030 Telephone: Fax:

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distributor

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pre

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America

Spectra-Physics

Terra

1330

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Office Mountain Telephone: Telephone: Telex:

Fax:

(415)

France

Spectra-Physics Avenue Z.A.

de

BP

28-91941 Telephone: Telex

Fax:

1.6907

Bella

Box

View,

(800) (415)

348-488

969-4084

de

Scandinavie

Courtaboeuf

LES

1.6907

601

183

60

and

Lasers

Avenue

7013

CA

456-2552 961-2550

S.A.R.L

UUS

99

93

Pacific

94039-70

Cedex

56

Region

13

8-2

Customer

Service

Centers

(cont..)

Germany and

Spectra-Physics Siemensstrasse D-6100

Germany Telephone: Telex: Fax: Fax:

Japan

Spectra-Physics

15-8

Shibuya-ku, Telephone: Telex: Fax:

The

Spectra-Physics Prof.

Post

5600

Telephone:

Fax:

419471 (06151) (06151)

Nanpeidai-cho

2466976 (03)

Netherlands

Dr.

Office

CG

(040)

Export

GmbH

20

Darmstadt

(06151) 708-0

75000 710795

K.K.

Tokyo

3462-4531

(03)

3462-4530

B.V.

Dorgelolaan

Box 2264

Eindhoven

(040)

466097

45

Countries*

150

20

18

55

Switzerland Spectra-Physics

AG Hegenheimermattweg CH-4123 Telephone: Fax:

Allschwil/Basel

(061)

481 37

481 84

44

United Kingdom Spectra-Physics

Boundaiy Hemel Herts,

.Hempstead

HP2 Telephone: Fax:

(0442)

*

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Denmark,

Ltd.

Way

7SH

(0442)

232322

68538

Egypt, Pakistan, Portugal, Turkey,

USSR,

65

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Finland,

Saudi

Yugoslavia.

Greece,

Arabia,

Ireland,

South

Israel,

Africa,

Kuwait,

Spain,

8-3

Quanta-Ray

GCR

Series

Service

Centers

(cont..)

Eastern

Spectra-Physics 255

Old

Piscataway, Telephone: Telephone: Fax:

(908)

Western

Spectra-Physics

1330

Terra

Post

Office Mountain Telephone: Telex: Fax:

348-488

(415)

United

New

Brunswick

NJ (800) 921396

981-0029

United

Bella

Box

View,

(800)

964-3584

States

Lasers

Road,

08854-4175

456-2552

States

Lasers

Avenue

7013

CA

94039-7013

456-2552

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Instruction

Manual—

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have

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your mal ested

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call

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you.

From:

Name

Company Department

Address

Instrument

letter

or

Model

this

form

Lasers

service

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to

our

products

Institution

Number

encourage

to

instruments

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difficulties

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Spectra-Physics Quanta-Ray

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Solution(s):

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Avenue

7013

94039-70

CA

Inc.

13

Spectra-Physics Quanta-Ray GCR-16, Quanta-Ray GCR-14, Quanta-Ray GCR-12, Quanta-Ray GCR-18 Instruction Manual

Specifications and Main Features

Frequently Asked Questions

User Manual