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	Light beam coupler for axially discoincident optical fibers
	KOBAYASHI, KOHROH
	1977-09-27
著作权人	NIPPON SELFOC COMPANY, LIMITED
专利号	US4050784
国家	美国
文献子类	授权发明
其他题名	Light beam coupler for axially discoincident optical fibers
英文摘要	The invention contemplates an improved means for coupling plural optical fibers to a single optical fiber, whereby coupling losses may be held to relatively low magnitude. Each of the plural optical fibers is fitted to a first end of an elongate light-transmitting body having an elongate body axis about which the refractive index decreases approximately proportional to the square of the distance from the axis, and these bodies are grouped with their body axes is close and substantially parallel array. The opposite ends of the light-transmitting bodies all spaced from and face the end of the single optical fiber, with the optical axis of said single end aligned with the elongation of the group; and an optical lens is placed on the optical axis between the group and the single-fiber end, with the latter near the focal plane of the lens.
公开日期	1977-09-27
申请日期	1976-04-29
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/35705]
专题	半导体激光器专利数据库
作者单位	NIPPON SELFOC COMPANY, LIMITED
推荐引用方式 GB/T 7714	KOBAYASHI, KOHROH. Light beam coupler for axially discoincident optical fibers. US4050784. 1977-09-27.

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