LightWave Systems LDM-4990 User Manual
User’s Guide
Laser Diode Mount
LDM-4990
ILX Lightwave Corporation · P. O. Box 6310 · Bozeman, MT, U.S.A. 59771 · U.S. & Canada: 1-800-459-9459 · International Inquiries: 406-556-2481 · Fax 406-586-9405
ilx.custhelp.com · www.ilxlightwave.com
700391 September 2007
TABLE OF CONTENTS
TABLE OF CONTENTS
Safety Information and the Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
General Safety Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
Safety Marking Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv
Comments, Suggestions, and Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi
Chapter 1 Introduction and Specifications
Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Chapter 2 Operation
LDM-4990 Mount Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Configuring the LDM-4990 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Laser Diode Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Current Sources and Current Measurements . . . . . . . . . . . . . . . . . . . . . . . . . 12
Temperature Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Thermoelectric Temperature Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Water Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Nitrogen Purge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Installing OMH-6700 Series Measurement Heads . . . . . . . . . . . . . . . . . . . . . 16
Chapter 3 Maintenance
Chapter 4 Safety
12_06 LDM-4990 i
TABLE OF CONTENTS
ii LDM-4990
LIST OF FIGURES
LIST OF FIGURES
Figure 1.1 Exploded View of LDM-4990 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Figure 2.1 LDM-4990 Laser Mount Connections . . . . . . . . . . . . . . . . . . . . . 6
Figure 2.2 Laser Current Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 2.3 LDM-4409 TEC Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 2.4 Configuration Switch Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 2.5 Laser Diode Pin Assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 2.6 LDM-4990 Access Door Device Selector . . . . . . . . . . . . . . . . . 10
Figure 2.7 Installation of a 9.0 mm Window Can Laser . . . . . . . . . . . . . . . 11
Figure 2.8 LDM-4990 Water Connections . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 2.9 Nitrogen Purge Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 2.10 Installing the OMH-6700 Measurement Head . . . . . . . . . . . . . 16
12_06 LDM-4990 iii
LIST OF FIGURES
iv LDM-4990
SAFETY AND WARRANTY INFORMATION
The Safety and Warranty Information section provides details about cautionary symbols used in the
manual, safety markings used on the instrument, and information about the Warranty including
Customer Service contact information.
Safety Information and the Manual
Throughout this manual, you will see the words Caution and Warning indicating potentially
dangerous or hazardous situations which, if not avoided, could result in death, serious or minor
injury, or damage to the product. Specifically:
Caution indicates a potentially hazardous situation which can result in minor or
moderate injury or damage to the product or equipment.
Warning indicates a potentially dangerous situation which can result in serious injury or
death.
WARNING
Visible and/or invisible laser radiation. Avoid direct exposure to the beam.
General Safety Considerations
If any of the following conditions exist, or are even suspected, do not use the instrument until safe
operation can be verified by trained service personnel:
• Visible damage
• Severe transport stress
• Prolonged storage under adverse conditions
• Failure to perform intended measurements or functions
If necessary, return the instrument to ILX Lightwave, or authorized local ILX Lightwave distributor, for
service or repair to ensure that safety features are maintained (see the contact information on page
vi).
All instruments returned to ILX Lightwave are required to have a Return Authorization Number
assigned by an official representative of ILX Lightwave Corporation. See Returning an Instrument on
page v for more information.
LDM-4409 iii
SAFETY SYMBOLS
SAFETY SYMBOLS
This section describes the safety symbols and classifications.
Technical specifications including electrical ratings and weight are included within the manual. See
the Table of Contents to locate the specifications and other product information. The following
classifications are standard across all ILX Lightwave products:
• Indoor use only
• Ordinary Protection: This product is NOT protected against the harmful ingress of moisture.
• Class I Equipment (grounded type)
• Main supply voltage fluctuations are not to exceed ±10% of the nominal supply voltage.
• Pollution Degree II
• Installation (overvoltage) Category II for transient overvoltages
• Maximum Relative Humidity: <80% RH, non-condensing
• Operating temperature range of 0 °C to 40 °C
• Storage and transportation temperature of –40 °C to 70 °C
• This equipment is suitable for continuous operation.
Safety Marking Symbols
This section provides a description of the safety marking symbols that appear on the instrument.
These symbols provide information about potentially dangerous situations which can result in death,
injury, or damage to the instrument and other components.
Caution,
refer to
manual
Caution, risk
of electric
shock
On: In position of a bistable push control.
The slash (I) only denotes that mains are on.
or
(I)
Earth
ground
Te r mi n a l
Protective
Conductor
Te r mi n a l
Alternating
current
Caution, hot
surface
Off: Out position of a bistable push control.
The circle (O) only denotes that mains are off.
or
(O)
Visible and/or
invisible laser
radiation
Frame or
chassis
Te r mi n a l
iv LDM-4409
WARRANTY
ILX LIGHTWAVE CORPORATION warrants this instrument to be free from defects in material and
workmanship for a period of one year from date of shipment. During the warranty period, ILX will
repair or replace the unit, at our option, without charge.
WAR RA NT Y
Limitations
This warranty does not apply to fuses, lamps, defects caused by abuse, modifications, or to use of
the product for which it was not intended.
This warranty is in lieu of all other warranties, expressed or implied, including any implied warranty
of merchantability or fitness for any particular purpose. ILX Lightwave Corporation shall not be liable
for any incidental, special, or consequential damages.
If a problem occurs, please contact ILX Lightwave Corporation with the instrument's serial number,
and thoroughly describe the nature of the problem.
Returning an Instrument
If an instrument is to be shipped to ILX Lightwave for repair or service, be sure to:
1 Obtain a Return Authorization number (RA) from ILX Customer Service.
2 Attach a tag to the instrument identifying the owner and indicating the required service or
repair. Include the instrument serial number.
3 Attach the anti-static protective caps that were shipped with the instrument and place the
instrument in a protective anti-static bag.
4 Place the instrument in the original packing container with at least 3 inches (7.5 cm) of
compressible packaging material. Shipping damage is not covered by this warranty.
5 Secure the packing box with fiber reinforced strapping tape or metal bands.
6 Send the instrument, transportation pre-paid, to ILX Lightwave. Clearly write the return
authorization number on the outside of the box and on the shipping paperwork. ILX
Lightwave recommends you insure the shipment.
If the original shipping container is not available, place your instrument in a container with at least 3
inches (7.5 cm) of compressible packaging material on all sides.
Repairs are made and the instrument returned transportation pre-paid. Repairs are warranted for the
remainder of the original warranty or for 90 days, whichever is greater.
Claims for Shipping Damage
When you receive the instrument, inspect it immediately for any damage or shortages on the
packing list. If the instrument is damaged, file a claim with the carrier. The factory will supply you with
a quotation for estimated costs of repair. You must negotiate and settle with the carrier for the
amount of damage.
06_06 LDM-4409 v
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