SYSTEME DE CONTROLE DE FAISCEAU LUMINEUX

The light beam control correction method has a laser wavefront selectively detected (20) and focussed (21) onto a photodetector array (22). A processor (23) calculates the wavefront form of the luminous wave, and applies a feedback correction to the laser output.

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Bibliographische Detailangaben
Hauptverfasser:	CHANTELOUP JEAN CHRISTOPHE, LOISEAUX BRIGITTE, TOURNOIS PIERRE, HUIGNARD JEAN PIERRE
Format:	Patent
Sprache:	fre
Schlagworte:	BASIC ELECTRIC ELEMENTS COLORIMETRY 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 DEVICES USING STIMULATED EMISSION ELECTRICITY FREQUENCY-CHANGING MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS RADIATION PYROMETRY TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TESTING
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Beschreibung
Zusammenfassung:	The light beam control correction method has a laser wavefront selectively detected (20) and focussed (21) onto a photodetector array (22). A processor (23) calculates the wavefront form of the luminous wave, and applies a feedback correction to the laser output.