In Reply to: Background scattered laser light posted by geoffkait on January 18, 2019 at 10:21:56:
Is determined by the photodetector to be the real signal. Another interesting tidbit is that I recall from the book on optics written by the head of IBM Optical Lab some 15 years ago is that every improvement you can make in the "analog" laser reading process is multiplied downstream.
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Follow Ups
- The scattered light that is greater in power than 75% of the real reflected signal ... - geoffkait 04:17:50 04/02/21 (0)