Turning optical fiber cable into microphone

Spencer spencerone at openmailbox.org
Fri Jun 17 07:49:04 PDT 2016


> Jason McVetta:
> special equipment & dark fiber
> 
>> grarpamp:
>> morons with OTDR / DSP tech.
>> 
>>> jim bell:
>>> light + reflection IR = FM-modulated signal.
>>> 
>>>> Blake Hadley:
>>>> send light down a cable, watch for
>>>> vibrations of sound along the length of cable
>>>> in the reflection
>>>> 
>>>> measurements can't be too far from target
>>>> 

Thanks!

I wonder if my ISP are morons and how well they can clean up all the 
noise :P

--
This1s






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