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	Beam collimation using multiple coupled elements
	SCIFRES, DONALD R.; BURNHAM, ROBERT D.; STREIFER, WILLIAM
	1976-07-13
著作权人	XEROX CORPORATION
专利号	US3969686
国家	美国
文献子类	授权发明
其他题名	Beam collimation using multiple coupled elements
英文摘要	An electrically pumped, distributed feedback laser having all side surfaces of the active laser medium cleaved and a periodic structure at a 45 DEG angle to all of the cleaved surfaces. Current confining channels restrict pumping current to selected regions of the active laser medium to provide sufficient feedback such that two parallel filamentary areas of the active medium lase. By having multiple lasing filaments the divergence of the output beam in the direction of the width of the filaments is reduced by a factor proportional to the number of filamentary lasing areas.
公开日期	1976-07-13
申请日期	1975-03-26
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/34683]
专题	半导体激光器专利数据库
作者单位	XEROX CORPORATION
推荐引用方式 GB/T 7714	SCIFRES, DONALD R.,BURNHAM, ROBERT D.,STREIFER, WILLIAM. Beam collimation using multiple coupled elements. US3969686. 1976-07-13.

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