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Questions tagged [optical]

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2
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1answer
92 views

Properties of Ultraviolet transmissions

I am interested in expanding my experimentation on visible light communication to Ultraviolet. The properties of visible light are well known because we see it every day, and have receiver equipped ...
5
votes
2answers
201 views

Frequency Modulated Light

I've been doing a bit of work on optical open-air transmission, and have been thinking, any hays that varies the intensity of the light or whatever else would affect the amplitude. Would it be ...
1
vote
1answer
73 views

Optics for open-air visible spectrum communications

I want to communicate 2.7 miles from a peak on a mountain. I will be using a very bright LED and some type of photo-element (photo multiplier tube, avalanche photo diode etc.) to receive the amplitude ...
5
votes
1answer
2k views

Can X-rays be used for communication?

I keep increasing my frequencies and want to get up the spectrum more and more. My current project is pointing a powerful focused LED from a peak and I will try to pick it up with a telescope and some ...