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Method and apparatus for monitoring optical fiber lapping and polishing

  • US 4,630,884 A
  • Filed: 09/04/1984
  • Issued: 12/23/1986
  • Est. Priority Date: 09/04/1984
  • Status: Expired due to Term
First Claim
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1. An apparatus for monitoring the removal of optical cladding from an optical fiber during the lapping of an optical flat thereon, said optical fiber mounted on a convex surface of a mandrel coupled to a lapping fixture of a lapping and polishing device, comprising:

  • means for generating a beam of radiation;

    means for evanescently coupling said beam of radiation across said optical flat and into said optical fiber; and

    means for measuring an intensity level of said radiation evanescently coupled into said optical fiber, and intensity level and function of the amount of optical cladding removed from said optical fiber.

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