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receiving end.I once tried it with a 5mW HeNe laser and a photocell to detect
reflections from a vibrating window glass. It didn't work for me
but it might work with an optical system to concentrate the
reflected light on the photocell and sensitive amplifiers at the
On Sat, 27 Dec 1997 01:01:59 +0100 (MET) msantos@etse.urv.es writes:
Herb Gottlieb
How does this work? what is the photocell for?
msntos@etse.urv.es