Technical Notes

Technical Notes

ILX Lightwave Discontinued & Obsolete Products

These discontinued products are no longer sold by ILX Lightwave, but are typically supported for three years from the date on which they were discontinued. Repairs and calibrations …

Technical Notes

Typical Output Stability of the LDX-3100 Board Level Current Source

This technical note presents the results of output drift measurement tests performed on a typical LDX-3100 Board-Level Precision Current Source.

Technical Notes

Square Wave Modulation of the LDX-3500B

The ILX Lightwave LDX-3500B Series Precision Current Source can be modulated by an external analog signal up to 500 kHz, 150 kHz or 100 kHz depending on the model.

Technical Notes

Output Current Accuracy of an LDX-3525B

This technical note presents the results of measurement (display) accuracy tests performed on a typical production model LDX-3525B Precision Current Source.

Technical Notes

Quick Start: Modulating a Laser Diode Driver

Most ILX Lightwave laser diode current sources and controllers have an external modulation input. This technical note gives a quick overview on setting up an ILX Lightwave laser diode …

Technical Notes

Typical Output Stability of the LDC-3724B

The test was performed with the 3724 and the test loads inside an environmental chamber set to 25°C ± 0.5°C. The test load used to measure laser drive current stability consisted of …

Technical Notes

Using Status Event Registers for Event Monitoring

When using GPIB to perform automated tests or experiments the user may want to know when specific events occur. This can be done by continually polling an instrument using software …

Technical Notes

Typical Pulse Overshoot of the LDP-3840/03 Precision Pulse Current Source

This technical note presents the results of pulse overshoot measurements performed on an LDP-3840/03 Precision Pulse Current Source.

Technical Notes

Thermal Performance of the LDM-4616

This technical note presents the results of thermal power (heat) dissipation measurements on a typical LDM-4616 16-Channel Laser Diode Mount and explains how ILX Lightwave calculated …

Technical Notes

Vacuum Operation of the LDM-4872

The LDM-4872 Quantum Cascade Laser Mount is designed to meet the unique requirements of quantum cascade lasers, including operation at low temperatures and under vacuum.

Technical Notes

Temperature Control Range of the LDM-49800T

This technical note describes temperature control range of the LDM-49840T and LDM-49860T.

Technical Notes

Typical Temperature Stability of the LDT-5500B

This technical note reviews the temperature stability of the LDT-5525B and LDT-5545B Thermoelectric Temperature Controllers.

Technical Notes

Repeatability of Laser Diode Threshold Current Measurement

This technical note presents the results of measurement repeatability of threshold current on three batches of laser diode samples performed using the LRS-9424 Laser Reliability and …

Technical Notes

Windows Desktop Remote Access

This technical note describes configuring and using Windows XP® Remote Desktop with the ReliaTest™ system supervisory software. Remote Desktop is a feature of Windows XP® which allows …

Technical Notes

Thermal Resistance of the LRS-9550-4442B C-Mount Fixture

This technical note describes the thermal resistance of the LRS-9550-4442B C-Mount Fixture. Thermal resistance was characterized across all device locations and with different device …

Technical Notes

Voltage Drop Across High Current TEC Interconnect Cables

This ILX Lightwave Technical Note compares the voltage drop across the standard and high-current interconnect cables available from ILX Lightwave, and identifies where each cable should …

Technical Notes

Paralleling Laser Diodes

The laser diode industry has seen the output powers of laser diodes increase from milliwatts up to tens of watts and beyond. This increase comes with a similar increase in the drive …

Technical Notes

Protecting Your Laser Diode

It’s been said that there are two types of researchers - those who have blown a laser diode and those who will. While that may be an exaggeration, it’s certainly true that today’s lab …

Technical Notes

LRS-9434 Temperature Coefficient

The LRS9434 is designed to drive a stable current throughout a wide range of ambient temperature conditions. This tech note discusses the test done to verify stable operation despite …

Technical Notes

LRS-9434 and LMS-9406 Transient Protection

Protection from harmful electrical transients is important in all applications of laser diodes due to the highly sensitive nature of these semiconductor devices. This is particularly …

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