Jay Lakoda
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If I modulated a laser frequency with voice, would a photo cell be capable of receiving that information?
Frequency modulated laser - transmission of voice
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Jay Lakoda said:If I modulated a laser frequency with voice, would a photo cell be capable of receiving that information?
A very good website with a lot of fun activiites: http://scitoys.com/ has an example project along these lines (amplitude modulation though, not frequency modulation).
http://sci-toys.com/scitoys/scitoys/light/light.html#laser_communicator
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I have done it with PWM. Low pass filter the signal at the detector and you have your audio.
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