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	Optical system for coupling light into a waveguide
	SONG, JEONGHWAN; VAN DORPE, POL; FIORENTINO, GIUSEPPE; SOUSSAN, PHILIPPE; ROTTENBERG, XAVIER
	2018-03-14
著作权人	MIDIAGNOSTICS NV
专利号	EP3293555A1
国家	欧洲专利局
文献子类	发明申请
其他题名	Optical system for coupling light into a waveguide
英文摘要	There is provided an optical system for coupling light into a waveguide. The optical system comprising a coupler arranged at a portion of the waveguide. The coupler has a surface with a grating structure for directing light into the waveguide formed therein. A cladding layer embeds the coupler and an optical path changing structure is formed in the cladding layer. The optical path changing structure has a refractive surface and a reflective surface, each forming an acute angle with respect to the surface of the coupler. Light which enters the optical path changing structure through the refractive surface will be refracted and directed towards the reflective surface. The reflective surface is arranged to reflect the light such that it is directed towards the grating structure of the coupler along a direction suitable for efficient coupling of light into the waveguide.
公开日期	2018-03-14
申请日期	2017-08-31
状态	申请中
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/54815]
专题	半导体激光器专利数据库
作者单位	MIDIAGNOSTICS NV
推荐引用方式 GB/T 7714	SONG, JEONGHWAN,VAN DORPE, POL,FIORENTINO, GIUSEPPE,et al. Optical system for coupling light into a waveguide. EP3293555A1. 2018-03-14.

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