HP 8163A/4A/6A Lightwave Series Mainframes
HP 81632A Power Sensor Module
and HP 81635A Dual Power Sensor
Module User’s Guide
E1299
Notices
This document contains proprietary information that is protected
by copyright. All rights are reserved.
No part of this document may be photocopied, reproduced, or
translated to another language without the prior written consent
of Hewlett-Packard GmbH.
Copyright 1999 by:
Hewlett-Packard GmbH
Herrenberger Str. 130
71034 Böblingen
Germany
Subject Matter
The information in this document is subject to change without
notice.
Hewlett-Packard makes no warranty of any kind with regard to
this printed material, including, but not limited to, the implied
warranties of merchantability and fitness for a particular
purpose.
Hewlett-Packard shall not be liable for errors contained herein or
for incidental or consequential damages in connection with the
furnishing, performance, or use of this material.
Printing History
New editions are complete revisions of the guide reflecting
alterations in the functionality of the instrument. Updates are
occasionally made to the guide between editions. The date on the
title page changes when an updated guide is published. To find
out the current revision of the guide, or to purchase an updated
guide, contact your Hewlett-Packard representative.
Control Serial Number: First Edition applies directly to all
instruments.
Certification
Hewlett-Packard Company certifies that this product met its
published specifications at the time of shipment from the factory.
Hewlett-Packard further certifies that its calibration
measurements are traceable to the United States National
Institute of Standards and Technology, NIST (formerly the
United States National Bureau of Standards, NBS) to the extent
allowed by the Institutes’s calibration facility, and to the
calibration facilities of other International Standards
Organization members.
ISO 9001 Certification
Produced to ISO 9001 international quality system standard as
part of our objective of continually increasing customer
satisfaction through improved process control.
81635-90014 E1299
First Edition:
E1299: December 1999
Warranty
This Hewlett-Packard instrument product is warranted against
defects in material and workmanship for a period of one year
from date of shipment. During the warranty period, HP will, at
its option, either repair or replace products that prove to be
defective.
For warranty service or repair, this product must be returned to a
service facility designated by HP. Buyer shall prepay shipping
charges to HP and HP shall pay shipping charges to return the
product to Buyer. However, B uyer shall pay all shipping charges,
duties, and taxes for products returned to HP from another
country.
HP warrants that its software and firmware designated by HP for
use with an instrument will execute its programming instructions
when properly installed on that instrument. HP does not warrant
that the operation of the instrument, software, or firmware will
be uninterrupted or error free.
Limitation of Warranty
The foregoing warranty shall not apply to defects resulting from
improper or inadequate maintenance by Buyer, Buyer-supplied
software or interfacing, unauthorized modification or misuse,
operation outside of the environmental specifications for the
product, or improper site preparation or maintenance.
No other warranty is expressed or implied. Hewlett-Packard
specifically disclaims the implied warranties of Merchantability
and Fitness for a Particular Purpose.
Exclusive Remedies
The remedies provided herein are Buyer’s sole and exclusive
remedies. Hewlett-Packard shall not be liable for any direct,
indirect, special, incidental, or consequential damages whether
based on contract, tort, or any other legal theory.
Assistance
Product maintenance agreements and other customer assistance
agreements are available for Hewlett-Packard products. For any
assistance contact your nearest Hewlett-Packard Sales and
Service Office.
2 HP 81632A Power Sensor Module and HP 81635A Dual Power Sensor Module
User’s Guide, E1299
Safety Considerations
The following general safety precautions must be observed during all phases of
operation, service, and repair of this instrument. Failure to comply with these
precautions or with specific warnings elsewhere in this manual violates safety
standards of design, manufacture, and intended use of the instrument. HewlettPackard Company assumes no liability for the customer’s failure to comply with
these requirements.
Before operation, review the instrument and manual, including the red safety
page, for safety markings and instructions. You must follow these to ensure safe
operation and to maintain the instrument in safe condition.
WARNING The WARNING sign denotes a hazard. It calls attention to a procedure, practice
or the like, which, if not correctly performed or adhered to, could result in injury
or loss of life. Do not proceed beyond a WARNING sign until the indicated
conditions are fully understood and met.
Safety Symbols
The apparatus will be marked with this symbol when it is necessary for the user to
refer to the instruction manual in order to protect the apparatus against damage.
Initial Inspection
Inspect the shipping container for damage. If there is damage to the container or
cushioning, keep the m until you have checked the contents of the shipment for
completeness and verified the instrument both mechanically and electrically.
The Performance Tests give procedures for checking the operation of the
instrument. If the contents are incomplete, mechanical damage or defect is
apparent, or if an instrument does not pass the operator’s checks, notify the
nearest Hewlett-Packard Sales/Service Office.
WARNING To avoid hazardous electrical shock, do not perform electrical tests when there
are signs of shipping damage to any portion of the outer enclosure (covers,
panels, etc.).
Line Power Requirements
The HP 81632A Power Sensor Module and HP 81635A Dual Power Sensor
Module operate when installed in the HP 8163A Lightwave Multimeter,
HP 8164A Lightwave Measurement System, and HP 8166A Lightwave
Multichannel System.
HP 81632A Power Sensor Module and HP 81635A Dual Power Sensor Module User’s Gu ide, E1299 3
Operating Environment
The safety information in the HP 8163/4A Lightwave Measurement System
User’s Guide summarizes the operating ranges for the HP 81632A Power Sensor
Module and HP 81635A Dual Powe r Sensor Module. In order for these modules
to meet specifications, the operating environment must be within the limits
specified for the HP 8163A Lightwave Multimeter, HP 8164A Lightwave
Measurement System, and HP 8166A Lightwave Multichannel System.
Storage and Shipment
This module can be stored or shipped at temperatures between
−40°C and +70°C. Protect the module from temperature extremes that may cause
condensation within it.
4 HP 81632A Power Sensor Module and HP 81635A Dual Power Sensor Module
User’s Guide, E1299
Contents
Safety Considerations 3
Safety Symbols 3
Initial Inspection 3
Line Power Requirements 3
Operatin g Environment 4
Storage and Shipment 4
Contents 5
Accessories 7
Modules and Options 9
Specifications 11
Power Sensor Specifications (Autorange Mode) 13
Performance Tests 15
Equipment Required 17
Test Record 18
Test Failure 18
Instrument Specification 18
Performance Test 18
Accuracy Test 19
Test Setup 19
Linearity Test 21
Test Setup 21
+10 dBm Range 22
0 dBm Range 23
-10 dBm Range 23
Change Setup 23
-20 dBm to -50 dBm Range 24
Calculation 24
Example: Measurement Results 25
Calculations 26
Noise Test 27
Return Loss Test 28
Relative Uncertainty due to Polarization (Optional Test) 29
Relative Uncertainty due to Interference (Optional Test) 31
HP 81632A Power Sensor Module and HP 81635A Dual Power Sensor Module User’s Gu ide, E1299 5
Calculation Sheet for Linearity Measurement 42
Index 43
6 HP 81632A Power Sensor Module and HP 81635A Dual Power Sensor Module
User’s Guide, E1299
Accessories
HP 81632A Power Sensor Module and HP 81635A Dual Power Sensor Module User’s Gu ide, E1299 7
The HP 81632A Power Sensor Module and the HP 81635A Dual Power Sensor
Module are available in various configurations for the best possible match to the
most common applications.
This chapter provides information on the available options and accessories.
8 HP 81632A Power Sensor Module and HP 81635A Dual Power Sensor Module
User’s Guide, E1299
Modules and Options
Connector Interfaces
81000AI Diamond HMS-10
81000FI FC/PC/SPC
81000GI D4
81000JI SMA
81000KI SC/APC
81000NI FC/APC
81000PI E-2000
81000SI DIN 47526
81000VI ST
81000WI Biconic
Connector
Interfaces
12
Power
Sensor
Module
HP 8163A
Lightwave Multimeter
Power Sensors
Economic Mo dules
81632A 10 dBm to -90 dBm
81635A 10 dBm to -110 dBm
Connector Interfaces
Connector
Interfaces
Bare
Fiber
Adapters
and Bare Fiber Adapters
81000FI FC/PC/SPC
81000FB Bare Fiber Adapter
81000KI SC/APC
81000KB Bare Fiber Adapt er
81000SI DIN 47526
81000SB Bare Fiber Adapter
81000VI ST
81000SB Bare Fiber Adapter
Figure 1 Recommended Connector Interfaces and Bare Fiber Adapters
HP 81632A Power Sensor Module and HP 81635A Dual Power Sensor Module User’s Gu ide, E1299 9
Product Number Connector InterfaceType
81000AI Diamond HMS-10
81000FI FC/PC/SPC
81000GI D4
81000JI SMA
81000KI SC/APC
81000NI FC/APC
81000PI E-2000
81000SI DIN 47526
81000VI ST
81000WI Biconic
Table 1 Connector Interfaces
Product Number Bare Fiber Adapter Product Number Connector Interface
81000FB Bare Fiber Adapter 81000FI FC/PC/SPC
81000KB Bare Fiber Adapter 81000KI SC/APC
81000SB Bare Fiber Adapter 81000SI DIN 47526
81000SB Bare Fiber Adapter 81000VI ST
Table 2 Connector Interface and Bare Fiber Adapter Combinations
10 HP 81632A Power Sensor Module and HP 81635A Dual Power Sensor Module
User’s Guide, E1299
Specifications
HP 81632A Power Sensor Module and HP 81635A Dual Power Sensor Module User’s Gu ide, E1299 11
HP 81632A Power Sensor Module and the HP 81635A Dual Power Sensor
Module are produced to the ISO 9001 international quality system standard as
part of HP’s commitment to continually increasing customer satisfaction through
improved quality control.
Specifications describe the modules’ and heads’ warranted performance.
Supplementary performance characteristics describe the modules’ and heads’
non-warranted typical performance.
Because of the modular nature of the instrument, these performance
specifications apply to these modules and heads rather than the mainframe unit.
12 HP 81632A Power Sensor Module and HP 81635A Dual Power Sensor Module
User’s Guide, E1299
Power Sensor Specifications (Autorange Mode)
HP 81632A HP 81635A
Sensor Element
Wavelength Range
Power Range
Display Resolution
Applicable Fiber Type
Uncertainty (accuracy) at Refer-
ence Conditions
Total Uncertainty
Relative Uncertainty
Spectral Ripple (due to interference)
Linearity (power)
1
2
Due to Polarization
5
- at 23°C ±5°C
- at operating temp. range
InGaAs InGaAs (dual)
800 - 1650 nm
¥80 dBm
+10 to
0.0001dB/dBm, 0.01pW to 10 pW (depending on power range)
Standard SM and MM up to 62.5 µm core size, NA ≤ 0.24
< ±3% (1200 nm to 1630 nm)
8
< ±5%
3
4
CW +10 to
(1200 nm to 1630 nm)
± 0.015 dB typical
± 0.015 dB typical
¥60 dBm (1200 nm to 1630 nm)
< ± 0.02 dB ± 20 pW
< ± 0.06 dB ± 20 pW
9
9
Return Loss
Noise (peak to peak)
Averaging Time (minimal)
Dimensions (H x W x D)
Weight
Recalibration Period
Operating Temperature
Humidity
Warm-up time
HP 81632A Power Sensor Module and HP 81635A Dual Power Sensor Module User’s Gu ide, E1299 13
7
5, 6
75 mm × 32 mm × 335 mm (2.8” × 1.3” × 13.2”)
>40 dB
< 20 pW
100 µs
0.5 kg
2 years
+10°C to +40°C
Non-condensing
20 minutes
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