US2013251318A1PendingUtilityA1

Method for connecting optical fibers and connection structure of optical fibers

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Assignee: FUJIKURA LTDPriority: Mar 26, 2010Filed: May 21, 2013Published: Sep 26, 2013
Est. expiryMar 26, 2030(~3.7 yrs left)· nominal 20-yr term from priority
Inventors:Hiroyuki Taya
G02B 6/2551G02B 6/2552G02B 6/255
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Claims

Abstract

A method for connecting optical fibers and a connection structure of optical fibers capable of suppressing axial misalignment between cores in end-to-end connection of optical fibers at least one of which has a clad for a non-circular shape. A core of at least one optical fiber has a circular shape and a clad thereof has a non-circular shape, and in the optical fiber having the clad of the non-circular shape, the clad is formed to have a more circular shape at and near a splice than at another portion thereof.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A connection structure of a pair of optical fibers that are connected end-to-end, wherein
 a core of at least one optical fiber has a circular shape and a clad thereof has a non-circular shape, and   in the optical fiber having the clad of the non-circular shape, the clad is formed to have a more circular shape at and near a splice than at another portion thereof.   
     
     
         2 . The connection structure of optical fibers according to  claim 1 , wherein in the optical fiber having the clad of the non-circular shape, the clad is formed for 100 μm or longer in a longitudinal direction from the splice.

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