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	Polarization-preserving fiber optic assembly
	HARGIS, DAVID E.
	1998-06-23
著作权人	LASER POWER CORPORATION
专利号	US5771324
国家	美国
文献子类	授权发明
其他题名	Polarization-preserving fiber optic assembly
英文摘要	An optical fiber coupling assembly for substantially preserving polarization of transmitted optical radiation, including at least one multimode optical fiber situated in a housing that includes means for distributing pressure on the optical fiber and reducing stress on the multimode optical fiber. In one embodiment, the housing has a first and a second side, and includes a channel having a first end opening on the first side and a second end within the housing. A cavity connected to the second end of the channel is formed within the housing. An aperture formed in the housing connects the cavity to the second side. The channel, cavity, and aperture together provide a passageway for the optical fibers from the first side to the second side of the housing. In the preferred embodiment the aperture bundles a plurality of fibers together in an approximately circular cross-section. A laser such as a laser diode or laser diode array provides substantially polarized optical radiation that is coupled into a first end of the optical fibers. The optical radiation transmitted through the housing is outputted from the second side having substantially preserved polarization from the bundled second ends to provide a collective output beam having a substantially single polarization. The collective output beam is useful for pumping a solid state laser. The polarization preservation between the first and second ends may be greater than 70%, and in some embodiments greater than 90%.
公开日期	1998-06-23
申请日期	1997-01-30
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/36376]
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.. Polarization-preserving fiber optic assembly. US5771324. 1998-06-23.

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