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USB IR Quad-Cell Receiver

Photonics Showcase
May 2010
New FocusRequest Info
 
New Focus™ introduces Model 2923, an IR quadrant cell detector with an amplifier. Quad-cell detectors are ideal for beam stabilization or beam targeting/pointing applications with physically defined center of the detector. The 3-mm-diameter diode is sensitive in the 900- to 1700-nm-wavelength range, and five different input ranges, from 50 μW to 5 mW, can be selected. Both analog and a 16-bit digital USB 2.0 output are available.


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GLOSSARY
analog
A physical variable that is proportionally similar to another variable over a specified range. An analog recording contains data that is similar to the source.
detector
1. A device designed to convert the energy of incident radiation into another form for the determination of the presence of the radiation. The device may function by electrical, photographic or visual means. 2. A device that provides an electric output that is a useful measure of the radiation that is incident on the device.
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.
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