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  • LDP-3840B LD Current Source
Nov 2005
ILX LightwaveRequest Info
For Pulsed Characterization of Laser Diodes
BOZEMAN, Mont., July 8 –- ILX Lightwave, a maker of laser diode instrumentation and test systems, today announced the introduction of the LDP-3840B, a precision-pulsed current source developed specifically for pulsing low- and medium-power laser diodes. The LDP-3840B replaces the original LDP-3840/03 and is now CE marked.

The pulsed current source was designed for clean pulses at laser diode load levels with ILX trademark laser diode protection features delivering up to 3 A of low noise current with fast rise times and low overshoot. The LDP-3840B includes a GPIB/IEEE-488 interface for automated testing and characterization of laser diodes. For system integration, the LDP-3840B offers input and output triggers to control pulses and initiate corresponding measurements without a command program.

According to Thaddeus Orosz, instrumentation product manager at ILX, “Pulse-testing laser diodes is important in laser diode development and manufacturing, especially in prepackaged form where adequate heat sinking is not practical.”

For more information on the LDP-3840B precision-pulsed laser diode current source,; e-mail:

ILX Lightwave Corp.
31950 E. Frontage Rd.
Bozeman, MT 59715
Phone: (800) 459-9459
Fax: (406) 586-9405
Web site:


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A physical source of radiation, as contrasted to illuminant. See illuminant.
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