System and method for speckle reduction in laser projectors

System and method for speckle reduction in laser projectors

A method for applying power in a plurality of pulses to the projection source to control the projection source to emit coherent light during an exposure interval comprising at least two sub-intervals, the applied power causing the projection source to have different temperatures during first and sec...

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Hauptverfasser: Hazeghi Aryan, Rafii Abbas
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
DEVICES USING STIMULATED EMISSION
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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creator Hazeghi Aryan
Rafii Abbas
description A method for applying power in a plurality of pulses to the projection source to control the projection source to emit coherent light during an exposure interval comprising at least two sub-intervals, the applied power causing the projection source to have different temperatures during first and second sub-intervals of the at least two sub-intervals; and emitting light from the projection source, wherein the projection source emits light having different wavelengths during the first and second sub-intervals in accordance with the different temperatures of the projection source.
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subjects BASIC ELECTRIC ELEMENTS
DEVICES USING STIMULATED EMISSION
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
title System and method for speckle reduction in laser projectors
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