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Optical fiber launch coupler

  • US 4,307,933 A
  • Filed: 02/20/1980
  • Issued: 12/29/1981
  • Est. Priority Date: 02/20/1980
  • Status: Expired due to Term
First Claim
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1. A fiber optic coupler comprising a curved throughput fiber having a longitudinal planar surface and a curved launch fiber having two longitudinal planar surfaces exposing the severed core of the launch fiber, the ratio of the diameter of the throughput fiber to the diameter of the launch fiber being from 3:

  • 2 to 4;

    1 and said throughput fiber being joined to only one of the launch fiber planar surfaces.

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