Structured light generation module
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United States of America Patent
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Jul 11, 2017
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N/A
app pub date -
Jun 2, 2016
filing date -
Feb 26, 2016
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Abstract
A structured light generation module includes a light source, a collimating optical element and a beam-diffusion optical element. The light source provides a source beam with a source beam size. After the source beam is collimated by the collimating optical element, a collimated light beam is generated. After the collimated light beam is diffused by the beam-diffusion optical element, a structured light with a beam diffusion angle relative to the collimated light beam is generated. The beam-diffusion optical element includes plural lenses, and the plural lenses are repeatedly distributed in one dimension. The pitches and the orientations of the lenses are specially designed. Consequently, the structured light generation module is capable of generating diversified structured light patterns.
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