infrared heterodyne detector
infrared heterodyne detector
[¦in·frə¦red ¦hed·ə·rə‚dīn di′tek·tər] (electronics)
A heterodyne detector in which both the incoming signal and the local oscillator signal frequencies are in the infrared range and are combined in a photodetector to give an intermediate frequency in the kilohertz or megahertz range for conventional amplification.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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