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	Laser apparatus and method having plural excitation sources with associated beam splitting arrangements for adaptive control
	GARY REES KING, CSIR; IHAR ANATOLIEVICH LITVIN, CSIR
	2018-06-20
著作权人	CSIR
专利号	GB2557328A
国家	英国
文献子类	发明申请
其他题名	Laser apparatus and method having plural excitation sources with associated beam splitting arrangements for adaptive control
英文摘要	A laser 100, and method of operating a laser, including: at least two independently controllable excitation sources 110, 120, preferably laser diodes, that produce input beams for pumping the gain medium 102, preferably a crystalline gain medium such as a Thulium-doped Yttrium Lithium Fluoride slab; beam splitters 132, 134, preferably a polarising beam splitter, for splitting the input beams into sub-beams; and, beam guiding arrangements 136, 138, 140, 142, preferably mirrors, for guiding the sub-beams from the excitation source, such that the sub-beams from each input beam are directed inwardly towards opposite ends of the gain medium. Each excitation source may be aligned with, and directed towards, an end of the gain medium. Preferably, one of the sub-beams is not re-directed and is already aligned with an end of the gain medium. The sub-beams from an excitation source may be parallel with each other when directed inwardly to the gain medium, with the sub-beams from one excitation source preferably being offset from each other. There may be a shaping lens between the excitation source and the beam splitter. A controller may be used to vary the relative intensities of the input beams.
公开日期	2018-06-20
申请日期	2016-12-07
状态	申请中
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/59112]
专题	半导体激光器专利数据库
作者单位	CSIR
推荐引用方式 GB/T 7714	GARY REES KING, CSIR,IHAR ANATOLIEVICH LITVIN, CSIR. Laser apparatus and method having plural excitation sources with associated beam splitting arrangements for adaptive control. GB2557328A. 2018-06-20.

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