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1. 发明授权

US5729643A Tapered composite optical fiber and method of making the same 失效
标题翻译：锥形复合光纤及其制作方法
公开(公告)号：US5729643A
公开(公告)日：1998-03-17
申请号：US855770
申请日：1997-05-12
申请人： Michael Hmelar , Ron C. Mehl , Paul Lovato
发明人： Michael Hmelar , Ron C. Mehl , Paul Lovato
IPC分类号： G02B6/255 , G02B6/26
CPC分类号： G02B6/2551 , G02B6/2552 , G02B6/262
摘要： A composite optical fiber including a first optical fiber having a first core with a first diameter being optically fused to a second optical fiber having a second core with a second diameter that is smaller than the first diameter. The first optical fiber has an output end with a tapered end section. The first core tapers down in diameter in the tapered end section from the first diameter and terminates at the output end with a third diameter that is smaller than the first diameter and substantially equal to or smaller than the second diameter. The second fiber has an input end that is optically fused to the output end of the first fiber. The composite optical fiber of the present invention is formed by heating the output end of the first optical fiber, and then pulling the output end of the first optical fiber to form the tapered end section. The output end of the first optical fiber is then optically fused to the input end of the second optical fiber.
摘要翻译：一种复合光纤，包括第一光纤，第一光纤具有第一直径，光纤上与第二光纤熔接，第二光纤具有第二直径小于第一直径的第二光纤。第一光纤具有带锥形端部的输出端。第一芯从第一直径在锥形端部中的直径逐渐变细，并且在输出端处终止于第三直径小于第一直径并且基本上等于或小于第二直径。第二光纤具有光学地熔合到第一光纤的输出端的输入端。本发明的复合光纤通过加热第一光纤的输出端，然后拉动第一光纤的输出端而形成锥形端部。然后将第一光纤的输出端光耦合到第二光纤的输入端。

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