COMPENSATING FOR A PHYSICAL EFFECT IN AN OPTICAL SYSTEM

COMPENSATING FOR A PHYSICAL EFFECT IN AN OPTICAL SYSTEM

A wavefront of a light beam that exits an acousto-optic material is estimated; a control signal for an acousto-optic system that includes the acousto-optic material is generated, the control signal being based on the estimated wavefront of the light beam; and the control signal is applied to the aco...

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1. Verfasser: Rafac, Robert Jay
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Sprache:eng
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APPARATUS SPECIALLY ADAPTED THEREFOR
CINEMATOGRAPHY
DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING
ELECTROGRAPHY
FREQUENCY-CHANGING
HOLOGRAPHY
MATERIALS THEREFOR
NON-LINEAR OPTICS
OPTICAL ANALOGUE/DIGITAL CONVERTERS
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICAL LOGIC ELEMENTS
OPTICS
ORIGINALS THEREFOR
PHOTOGRAPHY
PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES
PHYSICS
TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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creator Rafac, Robert Jay
description A wavefront of a light beam that exits an acousto-optic material is estimated; a control signal for an acousto-optic system that includes the acousto-optic material is generated, the control signal being based on the estimated wavefront of the light beam; and the control signal is applied to the acousto-optic system to generate a frequency-chirped acoustic wave that propagates in the acousto-optic material, the frequency-chirped acoustic wave forming a transient diffractive element in the acousto-optic material, an interaction between the transient diffractive element and the light beam adjusting the wavefront of the light beam to compensate for a distortion of the wavefront of the light beam, the distortion of the wavefront being at least partially caused by a physical effect in the acousto-optic material.
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subjects APPARATUS SPECIALLY ADAPTED THEREFOR
CINEMATOGRAPHY
DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING
ELECTROGRAPHY
FREQUENCY-CHANGING
HOLOGRAPHY
MATERIALS THEREFOR
NON-LINEAR OPTICS
OPTICAL ANALOGUE/DIGITAL CONVERTERS
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICAL LOGIC ELEMENTS
OPTICS
ORIGINALS THEREFOR
PHOTOGRAPHY
PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES
PHYSICS
TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
title COMPENSATING FOR A PHYSICAL EFFECT IN AN OPTICAL SYSTEM
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