Holographic combiners for illumination of spatial light modulators in projection systems

Described is an optical device for combining multiple light sources in an optical projection system. One embodiment of the optical device includes at least two light sources having first and second wavelengths, and an optical element for substantially diffracting the first and second wavelengths of...

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Bibliographische Detailangaben
1. Verfasser:	DUNCAN WALTER M
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR ADVERTISING APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CINEMATOGRAPHY COLORIMETRY CRYPTOGRAPHY DISPLAY EDUCATION ELECTROGRAPHY HOLOGRAPHIC PROCESSES OR APPARATUS HOLOGRAPHY MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS RADIATION PYROMETRY SEALS TESTING
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Beschreibung
Zusammenfassung:	Described is an optical device for combining multiple light sources in an optical projection system. One embodiment of the optical device includes at least two light sources having first and second wavelengths, and an optical element for substantially diffracting the first and second wavelengths of the two light sources and combining them into a single beam of light.