Monolithic structured light projector

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United States of America Patent

PATENT NO 11675114
SERIAL NO

16042319

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Abstract

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A structured light projector for generating a far-field image of light dots in a defined pattern is proposed, where the structured light projector includes a light source providing as an output a non-collimated light beam and a specialized diffractive optical element disposed to intercept the non-collimated light beam. The specialized diffractive optical element is formed to exhibit a non-uniform pattern of grating features configured to compensate for the non-planar wavefront and phase retardation of the non-collimated output beam, providing as an output of the projector an interference pattern of light dots exhibiting the desired configuration.

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Patent Owner(s)

  • II-VI DELAWARE, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Boucart, Julien Zurich, CH 16 287
Teissier, Jean Axel Edmond Hegenheim, FR 4 1

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