Spatial light modulator device for the modulation of a wave field with complex information
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United States of America Patent
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Jun 21, 2022
Grant Date -
Sep 12, 2019
app pub date -
Mar 18, 2019
filing date -
Jun 23, 2009
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Abstract
A three-dimensional light modulator, of which the pixels are combined to form modulation elements. Each modulation element can be coded with a preset discrete value such that three-dimensionally arranged object points can be holographically reconstructed. The light modulator is characterized in that assigned to the pixels of the modulator are beam splitters or beam combiners which, for each modulation element, combine the light wave parts modulated by the pixels by means of refraction or diffraction on the output side to form a common light beam which exits the modulation element in a set propagation direction.
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