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Optical detector and system therefor

  • US 9,891,099 B2
  • Filed: 07/29/2014
  • Issued: 02/13/2018
  • Est. Priority Date: 07/30/2013
  • Status: Active Grant
First Claim
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1. A system, comprising:

  • a detector;

    a reflector disposed about and proximal to the detector, at least of portion of the reflector being disposed in front of the detector; and

    wherein the reflector is configured to reflect at least a portion of the radiation directed to the system at an angle greater than a first predetermined value onto the detector, and wherein the system is configured so that at least a portion of the radiation directed to the system at an angle less than the first predetermined value directly impinges on the detector, wherein substantially no radiation directed to the system at an angle greater than a second predetermined angle impinges on the detector and wherein a first portion of the radiation directed to the system at an angle between the first and second predetermined angles impinges directly on the detector and a second portion of the radiation directed to the system at an angle between the first and second predetermined angles impinges on the detector by reflection from the reflector.

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