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Tunable finesse infrared cavity thermal detectors

  • US 20080035846A1
  • Filed: 05/22/2007
  • Published: 02/14/2008
  • Est. Priority Date: 05/23/2006
  • Status: Active Grant
First Claim
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1. A thermal detector configured to detect infrared radiation, comprising:

  • a first mirror;

    a second mirror, the first and second mirrors defining a cavity therebetween, the second mirror having a first side which is external to the cavity and a second side which is positioned closer to the cavity than the first said; and

    a thermal sensor coupled to the second mirror wherein the sensor is at least partially absorbing to the infrared radiation and positioned within the cavity or second mirror.

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