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	Planar waveguide apparatus with diffraction element(s) and system employing same
	ABOVITZ, RONY; SCHOWENGERDT, BRIAN T.; WATSON, MATTHEW D.
	2015-10-29
著作权人	MAGIC LEAP, INC.
专利号	US20150309263A2
国家	美国
文献子类	发明申请
其他题名	Planar waveguide apparatus with diffraction element(s) and system employing same
英文摘要	A waveguide apparatus includes a planar waveguide and at least one optical diffraction element (DOE) that provides a plurality of optical paths between an exterior and interior of the planar waveguide. A phase profile of the DOE may combine a linear diffraction grating with a circular lens, to shape a wave front and produce beams with desired focus. Waveguide apparati may be assembled to create multiple focal planes. The DOE may have a low diffraction efficiency, and planar waveguides may be transparent when viewed normally, allowing passage of light from an ambient environment (e.g., real world) useful in AR systems. Light may be returned for temporally sequentially passes through the planar waveguide. The DOE(s) may be fixed or may have dynamically adjustable characteristics. An optical coupler system may couple images to the waveguide apparatus from a projector, for instance a biaxially scanning cantilevered optical fiber tip.
公开日期	2015-10-29
申请日期	2014-07-14
状态	授权
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/54522]
专题	半导体激光器专利数据库
作者单位	MAGIC LEAP, INC.
推荐引用方式 GB/T 7714	ABOVITZ, RONY,SCHOWENGERDT, BRIAN T.,WATSON, MATTHEW D.. Planar waveguide apparatus with diffraction element(s) and system employing same. US20150309263A2. 2015-10-29.

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