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	Optically transparent heat sink for longitudinally cooling an element in a laser
	HARGIS, DAVID E.; NELTE, SVEN E.
	1998-08-18
著作权人	LASER POWER CORPORATION
专利号	US5796766
国家	美国
文献子类	授权发明
其他题名	Optically transparent heat sink for longitudinally cooling an element in a laser
英文摘要	A longitudinally-cooled laser element assembly comprises an optically transparent heat sink (OTH) coupled to a laser element and a heat sink. An etalon structure including a first flat surface and a second, substantially parallel flat surface is formed in the laser element and/or the OTH. In some embodiments, a balanced etalon is provided by forming a reflector on the second flat surface of the etalon that has a reflectivity approximately equal to the Fresnel loss at the interface between the OTH and the laser element. In some embodiments the laser element assembly includes a second OTH coupled to the laser element at a second interface, thereby defining a second Fresnel loss. Preferably, the second OTH has an index of refraction substantially equal to the index of refraction of the first OTH, so that said first and second Fresnel losses are approximately equal and a balanced etalon is formed. In some embodiments the laser element comprises a solid-state gain medium. In other embodiments the laser element comprises a nonlinear frequency conversion crystal. An intracavity frequency-converted laser is described in which OTHs are used to cool both the gain medium and the nonlinear material.
公开日期	1998-08-18
申请日期	1997-01-17
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/36373]
专题	半导体激光器专利数据库
作者单位	LASER POWER CORPORATION
推荐引用方式 GB/T 7714	HARGIS, DAVID E.,NELTE, SVEN E.. Optically transparent heat sink for longitudinally cooling an element in a laser. US5796766. 1998-08-18.

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