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Apparatus for Mitigating Noise Affecting a Signal

  • US 20140309535A1
  • Filed: 06/25/2014
  • Published: 10/16/2014
  • Est. Priority Date: 03/12/2012
  • Status: Abandoned Application
First Claim
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1. A sensor comprising:

  • a first optical fiber including a first end face emitting a first near-infrared signal into a body;

    a second optical fiber including a second end face detecting a second near-infrared signal from the body, the second near-infrared signal including a first portion of the first near-infrared signal that is at least one of reflected, scattered and redirected in the body; and

    a housing including;

    a surface overlying the body, the surface cincturing the first and second end faces; and

    a near-infrared energy absorber absorbing a third near-infrared signal impinging on the surface, the third near-infrared signal including;

    a second portion of the first near-infrared signal that is at least one of reflected, scattered and redirected in the body; and

    a third portion of the first near-infrared signal that is reflected in an imperfect cavity between the surface and the body.

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