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	Structured light illuminators including a chief ray corrector optical element
	GUO, BAIMING; SEURIN, JEAN-FRANCOIS; GHOSH, CHUNI; WATKINS, LAURENCE
	2019-05-23
著作权人	PRINCETON OPTRONICS, INC.
专利号	WO2019099297A1
国家	世界知识产权组织
文献子类	发明申请
其他题名	Structured light illuminators including a chief ray corrector optical element
英文摘要	The present disclosure describes techniques to improve the resolution and reduce the distortion of structured light projection in miniature wide-angle VCSEL array projection modules used for 3D imaging and gesture recognition. The projector module includes a chief ray corrector optical element, which directs the VCSEL beams along the projector lens chief ray paths. The VCSEL structured illumination projector using the chief ray optical element corrector can create a high resolution, low distortion structured light pattern over an extended distance range greater that the projector lens image focal range. The corrector element is placed close to the VCSEL array. The corrector element can be implemented in various ways including, for example, a refractive lens, diffractive lens or microlens array, depending on the specific application requirements and optical configurations.
公开日期	2019-05-23
申请日期	2018-11-09
状态	未确认
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/55248]
专题	半导体激光器专利数据库
作者单位	PRINCETON OPTRONICS, INC.
推荐引用方式 GB/T 7714	GUO, BAIMING,SEURIN, JEAN-FRANCOIS,GHOSH, CHUNI,et al. Structured light illuminators including a chief ray corrector optical element. WO2019099297A1. 2019-05-23.

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