Compact multi-color beam combiner using a geometric phase lens
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United States of America Patent
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Nov 5, 2019
Grant Date -
Jun 6, 2019
app pub date -
Dec 6, 2017
filing date -
Dec 6, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed is a multi-color light source device including a first light source configured to emit light of a first color, a second light source configured to emit light of a second color that is distinct from the first color, and a first geometric phase lens associated with a first focal length for the light of the first color and a second focal length, distinct from the first focal length, for the light of the second color. The first light source is located at a first distance from the first geometric phase lens, and the second light source is located at a second distance, distinct from the first distance, from the geometric phase lens. Also disclosed is a head mounted display system including the multi-color light source device, a light modulator configured for modulating light from the multi-color light source device, and one or more lenses.
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