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	Heterostructure diode injection laser having a constricted active region
	SMALL, MARTIN B.; ZORY, JR., PETER S.
	1979-08-28
著作权人	INTERNATIONAL BUSINESS MACHINES CORPORATION
专利号	US4166253
国家	美国
文献子类	授权发明
其他题名	Heterostructure diode injection laser having a constricted active region
英文摘要	In a heterostructure diode injection laser, the active layer has a region of relatively lesser thickness in registration with a stripe geometry contact. Increased gain within the region of lesser thickness relative to adjacent regions of greater thickness tends to effectively confine lasing operation to the thinner or constricted region. The dimensions of the constricted active region may be readily selected to discriminate against multifilament lasing modes in order to produce a single spot laser beam over a wide range of injection levels.
公开日期	1979-08-28
申请日期	1977-08-15
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/47318]
专题	半导体激光器专利数据库
作者单位	INTERNATIONAL BUSINESS MACHINES CORPORATION
推荐引用方式 GB/T 7714	SMALL, MARTIN B.,ZORY, JR., PETER S.. Heterostructure diode injection laser having a constricted active region. US4166253. 1979-08-28.

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