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Improved, Simple Laser Diode Control

Photonics Showcase
May 2010
Wavelength Electronics Inc.Request Info
 
Two PCB mount components simplify complete laser diode control. The WLD3343 laser diode driver supplies up to 2.2 A precision current for laser diodes. The WTC3243 temperature controller drives up to 2.2 A and can stabilize to 0.0009 °C. Laser diode and thermoelectric safety circuits are integrated. Variations of the WLD3343 up to 3 A are available. Improvements include lower noise and better stability for scans across ambient.


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GLOSSARY
diode
A two-electrode device with an anode and a cathode that passes current in only one direction. It may be designed as an electron tube or as a semiconductor device.
noise
The unwanted and unpredictable fluctuations that distort a received signal and hence tend to obscure the desired message. Noise disturbances, which may be generated in the devices of a communications system or which may enter the system from the outside, limit the range of the system and place requirements on the signal power necessary to ensure good reception.
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