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	Method and device for generating high quality laser beam from laser diodes
	KHALID, NAJEEB A.; DIEHL, CARL; SCHWARTZ, STAN
	1993-04-27
著作权人	ESCHER-GRAD INCORPORATED
专利号	US5206869
国家	美国
文献子类	授权发明
其他题名	Method and device for generating high quality laser beam from laser diodes
英文摘要	A method and device for generating a collimated laser beam which is circular in cross-section, non-astigmatic, diffraction-limited and has a gaussian energy distribution are disclosed. The device comprises a single mode optical waveguide having an input end and an output end, a laser diode optically coupled to the input end of the optical waveguide for producing at the output end thereof a laser beam which is circular in cross-section, non-astigmatic and diffraction-limited and has a gaussian energy distribution, and a collimating lens for collimating the laser beam. The collimating lens is disposed in spaced relationship to the output end of the optical waveguide such that the output end is positioned at the focal point of the collimating lens.
公开日期	1993-04-27
申请日期	1991-10-31
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/44513]
专题	半导体激光器专利数据库
作者单位	ESCHER-GRAD INCORPORATED
推荐引用方式 GB/T 7714	KHALID, NAJEEB A.,DIEHL, CARL,SCHWARTZ, STAN. Method and device for generating high quality laser beam from laser diodes. US5206869. 1993-04-27.

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