Low power retro-reflective communications system and method

Low power retro-reflective communications system and method

Presented is a low-power retro-reflective communication system that reflects modulated light back in substantially the same direction as the light source using a retro-reflector. The light modulator in the retro-reflector modulates the light in response to a stimulus, such as an electrical communica...

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Hauptverfasser: LARSEN TY AABY, FLETCHER, III HENRY V
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Sprache:eng
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OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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creator LARSEN TY AABY
FLETCHER, III HENRY V
description Presented is a low-power retro-reflective communication system that reflects modulated light back in substantially the same direction as the light source using a retro-reflector. The light modulator in the retro-reflector modulates the light in response to a stimulus, such as an electrical communications stimulus or an environmental stimulus. In embodiments, the retro-reflector is a corner-cube retro-reflector and the modulator is one of the reflecting surfaces, or a spherical retro-reflector and the light modulator is a variably reflecting backing.
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OPTICS
PHYSICS
title Low power retro-reflective communications system and method
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