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	Polarization maintaining optical fiber connector including positioning flange and method utilizing same
	NAGASE, RYO; ANDO, YASUHIRO
	1993-06-01
著作权人	NIPPON TELEGRAPH & TELEPHONE CORPORATION
专利号	US5216733
国家	美国
文献子类	授权发明
其他题名	Polarization maintaining optical fiber connector including positioning flange and method utilizing same
英文摘要	This invention presents a method and an apparatus for adjusting the axial orientation angle between the principal axis of a polarization maintaining fiber (PMF) and a ferrule with ease and precision. The invented ferrule is composed of a ferrule body, having a through hole into which a PMF is inserted, and a ring-shaped flange, having a keyway on the circumferential rim, installed on the outer periphery of the ferrule body. An engaging part is provided on the periphery to restrain the forward movement of the ferrule body by engaging with the flange. The invented ferrule enables adjustment of the axial angle, between the principal axis of the PMF and the keyway of the flange, to be made after adhesively bonding the PMF onto the ferrule body and polishing the end of the fiber. Therefore, the axial angle adjustment is carried out conveniently and accurately, without being affected by the processing effects, such as curing of the adhesive. Further, when the cable joint is made by joining the plugs, even if the spring compression forces, acting to press together the ferrule bodies, acted on the flange, the forward movement of the flange is restrained by the engaging part, thereby minimizing the adverse residual stress effects on the optical performance properties of the cable.
公开日期	1993-06-01
申请日期	1992-03-10
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/36085]
专题	半导体激光器专利数据库
作者单位	NIPPON TELEGRAPH & TELEPHONE CORPORATION
推荐引用方式 GB/T 7714	NAGASE, RYO,ANDO, YASUHIRO. Polarization maintaining optical fiber connector including positioning flange and method utilizing same. US5216733. 1993-06-01.

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