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Method of fabricating a low loss fused biconical taper fiber optic coupler

  • US 4,426,215 A
  • Filed: 04/12/1983
  • Issued: 01/17/1984
  • Est. Priority Date: 10/07/1981
  • Status: Expired due to Term
First Claim
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1. A method of fabricating a low loss fused biconical taper fiber optic coupler comprising the steps of:

  • simultaneously heating and pulling N optical fibers to provide a minimum biconical taper region wherein said fibers are fused, where N is an integer greater than one; and

    deforming cores of said N fibers at said minimum taper region, said step of deforming including a pushing step at said minimum taper region.

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