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	Cylindrical-wave controlling, generating and guiding devices
	JIANG, YUAN; HACKER, JILL
	1994-10-18
著作权人	JIANG ; YUAN
专利号	US5357591
国家	美国
文献子类	授权发明
其他题名	Cylindrical-wave controlling, generating and guiding devices
英文摘要	Designs for cylindrical-wave controlling, generating and guiding devices are disclosed, which include multi-cylindrical-layer reflector and anti-reflection for unguided cylindrical waves, and concentric-circle-grating waveguide reflector, directional coupler and distributed feedback structures for guided cylindrical waves. A multi-cylindrical-layer structure takes the form of cylindrical layers wrapped concentrically around a central rod. A grating waveguide structure takes the form of a slab waveguide in which one of the slabs has circular ridge-groove grating. Layer and ridge-groove spacings are critical to the functionality of these structures. Design rules are outlined. These structures are important components for cylindrical wave controls. Designs of narrow-linewidth and high-power surface-emitting semiconductor lasers using the grating reflectors and 90-degree couplers are also disclosed.
公开日期	1994-10-18
申请日期	1993-04-06
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/47382]
专题	半导体激光器专利数据库
作者单位	1.YUAN 2.JIANG
推荐引用方式 GB/T 7714	JIANG, YUAN,HACKER, JILL. Cylindrical-wave controlling, generating and guiding devices. US5357591. 1994-10-18.

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