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Compact PMMW camera calibration target

  • US 9,641,772 B2
  • Filed: 11/19/2014
  • Issued: 05/02/2017
  • Est. Priority Date: 11/19/2014
  • Status: Active Grant
First Claim
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1. A calibration system for a camera, said calibration system comprising a thermal calibrator including a first thermally conducting body, a second thermally conducting body, a first black body target mounted to a back surface of the first conducting body, a second black body target mounted to a back surface of the second conducting body, and a thermo-electric (TE) cooling device having a hot side and a cold side that are on opposite sides of the device from each other, wherein the hot side of the TE cooling device is thermally attached to the first conducting body and the cold side of the TE cooling device is thermally attached to the second conducting body.

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