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Optical simulator with loop-back attenuator and optical thin film

  • US 4,952,798 A
  • Filed: 01/03/1990
  • Issued: 08/28/1990
  • Est. Priority Date: 01/03/1990
  • Status: Expired due to Fees
First Claim
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1. An optical simulator shaped to be interchangeable with a complementary connector that intermates with an optical connector having an optical emitter and an optical detector, the optical simulator comprising;

  • an alignment fixture with connectors for intermating with the optical emitter and the optical detector, and an optical fiber formed in a loop and installed within the alignment fixture with a first end face of the loop aligned, through a corresponding alignment fixture connector, with the emitter, and a second end face of the loop aligned, through a corresponding alignment fixture, with the detector of the optical connector;

    the optical fiber being formed in a loop with a film forming a thin membraceous skin on an end face of the fiber to provide controlled attenuation of optical power to the optical detector.

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