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Infrared sensor

  • US 20050218328A1
  • Filed: 03/04/2005
  • Published: 10/06/2005
  • Est. Priority Date: 03/30/2004
  • Status: Abandoned Application
First Claim
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1. An infrared sensor comprising:

  • an infrared detector for converting infrared light to an electric signal; and

    an optical element for guiding the infrared light to said infrared detector;

    wherein;

    said optical element has an array of materials of different refractive indexes and is formed in the surface of a substrate side by side with said infrared detector; and

    infrared light incident on said optical element from a direction vertical to the surface of said substrate is deflected and guided by said optical element in parallel to the surface of said substrate for incidence on said infrared detector.

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