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	High efficiency fiber optic coupler that reduces beam divergence
	FLINT, GRAHAM W.
	1998-03-31
著作权人	CVI LASER, LLC
专利号	US5734766
国家	美国
文献子类	授权发明
其他题名	High efficiency fiber optic coupler that reduces beam divergence
英文摘要	A fiber optic coupler for coupling an asymmetrical beam such as provided by a laser diode into a fiber optic cable. The coupler comprises at least one fiber optic cable having a first end including a tapered section that has an approximately flat coupling facet for receiving the asymmetrical beam and an approximately flat tapered surface adjacent to the coupling facet for reflecting the rapidly diverging radiation, a main body for receiving and transmitting the reflected laser radiation, and an output end having an approximately flat output facet. A support structure situates the coupling facet proximate to the laser diode. A second, approximately flat tapered surface may be formed in the tapered section opposite the first tapered surface. The fiber optic cable may have any cross-section, such as circular, rectangular, or square. The coupler is particularly useful for coupling multiple output beams from a laser diode array into a plurality of fibers that are collected on their output ends to approximate a single beam, which can be then applied to end-pump a solid state laser.
公开日期	1998-03-31
申请日期	1996-05-03
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/36322]
专题	半导体激光器专利数据库
作者单位	CVI LASER, LLC
推荐引用方式 GB/T 7714	FLINT, GRAHAM W.. High efficiency fiber optic coupler that reduces beam divergence. US5734766. 1998-03-31.

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