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Low-radiance infrared airborne calibration reference

  • US Patent No. 9234796
  • Issued: January 12, 2016
  • Status: Active
Photonics

A low-radiance infrared airborne calibration reference is an infrared imaging and calibration method. The method includes positioning a mirror perpendicular to an optical axis of a focal plane array in both an open-face position and a mirror-reading position. Temperatures of a lens, window, and the mirror are determined. In-band radiance and offset is calculated to generate an adjusted calibration curve.

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