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how can i transmit analog video signal? Answered

for some application i need to transmit an analog video signal without cables, maybe through sound? or light/laser?
is there some way that i can do it?
i saw this instructable doing a similar thing: https://www.instructables.com/id/Transfer-Sound-on-a-Laser/
is the circuit capable of doing it with analog video signals?

also, i know that when i transmit it in its analog form, losses will be significant. is it possible to transmit it in digital form and convert it back to analog? how?