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Can light waves be used as a carrier waves in communication?

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Optical fibers used in telecommunication generally used infrared as the carrier. AM and FM are radio waves. Like visible light, infrared and radio waves are electromagnetic radiation. However, visible light has also been used for communication for more than a century. It can be as simple as tilting a reflector in sunlight. read more

Electromagnetic waves can be used for much more communication than that. Fibre optics for the internet, GPS signals to tell you where you are, all waves. Never mind radio and television, both before and after cable, and even more so for satellite. read more

Radio waves, microwaves microwaves: Electromagnetic radiation with a frequency between that of visible light and radio waves., visible light and infrared can all be used for communication. You should know some typical examples of these, and associated hazards. Radio waves. Radio waves are used to transmit television and radio programmes. read more

Yes, any propagating wave can be used as carrier waves in communication. Not only can any waves be used in AM (amplitude modulation), FM (frequency modulation), and coherent communication. Light can be used in all of these modes and more complex forms. read more

A radio tuner receives radio waves and converts them to mechanical vibrations in the speaker to create sound waves that can be heard. Credit: Ensuper | Shutterstock Radio waves are a type of electromagnetic radiation, as are microwaves, infrared radiation, X-rays and gamma-rays. read more

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