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Help me choose hardware for sending data by a beam of light

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ronny_rm

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hi..i have a project..about sending information through air...by a beam of light....for the reciever it will be photodiode detecter...can u tell me what parts i should have...for both side" transmitter and reciever"..how can i carry electric signal..on a beam of light? the modelution..and demod... help pleez with articals or links..
 

g86

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Re: help is needed?

ooops!!!! like "how to send smell of a rose over internet" or "how to download an apple".

BTW you can send signals using light but not electrical signal. for analog communication, transmitter light intensity can varied according to input. In receiver a photo sensor can be used to retrive the electrical signal from the light.


ronny_rm said:
.how can i carry electric signal..on a beam of light? the modelution..and demod... help pleez with articals or links..
:idea::!::?:
 

vikas_et

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Re: help is needed?

it is very simple.u can use LED or LASER diode as transmitter. & erbium doped fiber amplifier for amplification & at reciever photodiodes can be used.
for mor info:: a book named FIBER optic communication- manbev
also--john senior. for basics
 

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