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	Quantum cascade laser amplifier with an anti-reflection coating including a layer of yttrium fluoride
	MAULINI, RICHARD; BLASER, STEPHANE; FAIST, JEROME
	2011-05-17
著作权人	ALPES LASERS S.A.
专利号	US7944959
国家	美国
文献子类	授权发明
其他题名	Quantum cascade laser amplifier with an anti-reflection coating including a layer of yttrium fluoride
英文摘要	A quantum cascade laser amplifier (12) having an active zone (20) includes a stack of raw layers of semi-conductor materials formed in an epitaxial manner on a substrate layer (16) of indium. phosphide (InP) or gallium arsenide (GaAs) bearing the active zone (20), and a vertical anti-reflection coating (34) that covers an outlet face (28) of the laser radiation made of materials having given refraction indices and a predetermined thickness so that the entire laser radiation can flow through the outlet face. The anti-reflection coating (34) includes a first layer (36) having a first predetermined retraction index (n1) lower than the predetermined refraction index (nD), and at least a second layer (38) having a second refraction index (n2) higher than the predetermined refraction index (nD), wherein the first layer (36) of the anti-reflection coating (34) is made of yttrium fluoride (YF3).
公开日期	2011-05-17
申请日期	2007-11-20
状态	授权
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/44685]
专题	半导体激光器专利数据库
作者单位	ALPES LASERS S.A.
推荐引用方式 GB/T 7714	MAULINI, RICHARD,BLASER, STEPHANE,FAIST, JEROME. Quantum cascade laser amplifier with an anti-reflection coating including a layer of yttrium fluoride. US7944959. 2011-05-17.

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