System and method for reduction of image artifacts for laser projectors

System and method for reduction of image artifacts for laser projectors

A system and method is disclosed for reducing visibility of image artifacts caused by diffractive elements in a laser projector having a structured diffractive device. At least two diffracted orders of light can be selected from light emitted from the structured diffractive device using a spatial li...

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Hauptverfasser: CHRISTENSEN ROBERT R, TANNER ALLEN H, WILLIAMS FORREST L
Format: Patent
Sprache:eng
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OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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creator CHRISTENSEN ROBERT R
TANNER ALLEN H
WILLIAMS FORREST L
description A system and method is disclosed for reducing visibility of image artifacts caused by diffractive elements in a laser projector having a structured diffractive device. At least two diffracted orders of light can be selected from light emitted from the structured diffractive device using a spatial light filter. The polarization of at least one of the selected diffracted orders can be changed with respect to another selected diffracted order. The selected diffracted order can be recombined to form an image having reduced visible image artifacts.
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OPTICS
PHYSICS
title System and method for reduction of image artifacts for laser projectors
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