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	Laser with gain medium configured to provide and integrated optical pump cavity
	PERESSINI, EUGENE R.
	2004-02-10
著作权人	RAYTHEON COMPANY
专利号	US6690695
国家	美国
文献子类	授权发明
其他题名	Laser with gain medium configured to provide and integrated optical pump cavity
英文摘要	An optically-pumped laser having a gain medium configured to provide a low loss, three-dimensional integrated optical pump cavity that substantially confines optical pump radiation within the lasing volume, which is particularly useful for efficiently pumping solid state gain media that has low pump dopant concentration. The integrated pump cavity includes a plurality of boundaries contiguous with the gain medium. An optical pump source such as a laser diode array supplies optical pump radiation that is input into the gain medium through one or more pump cavity windows with a propagation direction transverse to a laser axis defined through the gain medium. In some embodiments, an optical surface is situated opposite the window to approximately recollimate the input pump radiation. The optical pump cavity may be designed to concentrate the optical pump radiation and approximately uniformly pump the entire volume of the lasing medium. In one such embodiment, the pump cavity includes opposing converging surfaces that concentrate the optical pump radiation as it projects along the laser axis. Embodiments are disclosed in which a solid state gain medium has coatings that operate to suppress amplified spontaneous emission ("ASE") Some embodiments also include heat sinks that directly contact the transverse boundaries and control the temperature distribution within the gain medium in a predetermined manner.
公开日期	2004-02-10
申请日期	2002-03-21
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/36856]
专题	半导体激光器专利数据库
作者单位	RAYTHEON COMPANY
推荐引用方式 GB/T 7714	PERESSINI, EUGENE R.. Laser with gain medium configured to provide and integrated optical pump cavity. US6690695. 2004-02-10.

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