Audio Transmission Through Laser

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Transfer Sound on a Laser : 8 Steps - Instructables

https://www.instructables.com/Transfer-Sound-on-a-Laser/#:~:text=Simply%20connect%20an%20audio%20source%20%28such%20as%20a,slightly%20dimmer%20and%20brighter%2C%20depending%20on%20the%20music.

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How to Transmit Audio With a Laser Pen: 11 Steps (with ...

https://www.wikihow.com/Transmit-Audio-With-a-Laser-Pen

Connect the 1,000 ohm side of the transformer between the battery and the laser. The 1,000 ohm side of the transformer has three wires coming …

Transmission of Stereo Audio Signals with Lasers

https://scholarworks.uark.edu/cgi/viewcontent.cgi?article=1030&context=eleguht

With the original analog audio signal in a digital form, it may be transmitted with a laser. This process requires a fast-switching BJT or MOSFET driver that is capable of switching at the frequency of the carrier signal. The laser driver and laser beam pulse for different lengths of time as shown in the bottom plot of Figure 2.

ECE 4760 Final Project: Laser Audio Transmitter

https://people.ece.cornell.edu/land/courses/ece4760/FinalProjects/s2009/dyz2_jl589/dyz2_jl589/

The first circuit, which is similar to the receiver end, is the laser audio transmission circuit. This transmitter works by modulating the amplitude of the laser based on the amplitude of the audio signal that we are trying to transmit. The audio, which is fed to the circuit through a standard 3.5mm audio jack, is sent to an adder circuit.