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Apparatus and method for extracting optical energy from or coupling optical energy into a fiber

  • US 5,039,188 A
  • Filed: 12/29/1989
  • Issued: 08/13/1991
  • Est. Priority Date: 12/29/1989
  • Status: Expired due to Term
First Claim
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1. Apparatus comprising:

  • an optical fiber having a bent section via which optical energy is to be extracted from or coupled into said fiber;

    a transparent capillary tube surrounding said fiber;

    means for applying a compression force along the fiber and in the direction of the length of the fiber;

    and means for detecting the optical energy extracted from said fiber and for applying optical energy to the fiber.

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