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	Visible light emitting vertical cavity surface emitting lasers
	BRYAN, ROBERT P.; OLBRIGHT, GREGORY R.; LOTT, JAMES A.; SCHNEIDER, JR., RICHARD P.
	1995-06-27
著作权人	SANDIA CORPORATION
专利号	US5428634
国家	美国
文献子类	授权发明
其他题名	Visible light emitting vertical cavity surface emitting lasers
英文摘要	A vertical cavity surface emitting laser that emits visible radiation is built upon a substrate, then having mirrors, the first mirror on top of the substrate; both sets of mirrors being a distributed Bragg reflector of either dielectrics or other materials which affect the resistivity or of semiconductors, such that the structure within the mirror comprises a plurality of sets, each having a thickness of lambda /2n where n is the index of refraction of each of the sets; each of the mirrors adjacent to spacers which are on either side of an optically active bulk or quantum well layer; and the spacers and the optically active layer are from one of the following material systems: Inz(AlyGa1-y)1-zP, InAlGaAs, AlGaAs, InGaAs, or AlGaP/GaP, wherein the optically active region having a length equal to m lambda /2neff where m is an integer and neff is the effective index of refraction of the laser cavity, and the spacer layer and one of the mirrors being transmissive to radiation having a wavelength of lambda /n, typically within the green to red portion of the visible spectrum.
公开日期	1995-06-27
申请日期	1992-11-05
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/46040]
专题	半导体激光器专利数据库
作者单位	SANDIA CORPORATION
推荐引用方式 GB/T 7714	BRYAN, ROBERT P.,OLBRIGHT, GREGORY R.,LOTT, JAMES A.,et al. Visible light emitting vertical cavity surface emitting lasers. US5428634. 1995-06-27.

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