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	Optical arrangement for a feedback-free coupling of a laser emission emitted by a semiconductor laser into an optical fiber
	DROEGEMUELLER, KARSTEN; KLEMENT, EKKEHARD
	1991-11-19
著作权人	SIEMENS AKTIENGESELLSCHAFT
专利号	US5066092
国家	美国
文献子类	授权发明
其他题名	Optical arrangement for a feedback-free coupling of a laser emission emitted by a semiconductor laser into an optical fiber
英文摘要	An optical arrangement for the feedback-free coupling of the laser emission emitted by a semiconductor laser into an optical fiber, characterized by a first optical lens for receiving the output of the semiconductor laser, a first optical isolator composed of a Faraday rotator and a polarizer following in the propagation direction of the laser emission, a second optical isolator being composed of a second Faraday rotator and a second polarizer that has a higher blocking attenuation compared to the blocking attenuation of the first polarizer being arranged between the first lens and the optical isolator. In order to use the optical arrangement in an optical heterodyne system, the blocking attenuation of at least -70 dB is obtainable in this arrangement.
公开日期	1991-11-19
申请日期	1990-09-06
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/35999]
专题	半导体激光器专利数据库
作者单位	SIEMENS AKTIENGESELLSCHAFT
推荐引用方式 GB/T 7714	DROEGEMUELLER, KARSTEN,KLEMENT, EKKEHARD. Optical arrangement for a feedback-free coupling of a laser emission emitted by a semiconductor laser into an optical fiber. US5066092. 1991-11-19.

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