Abstract

Meaningful prelaunch calibrations of ir sensors designed to be operated from space platforms require low-background test facilities that permit both the controlled generation and the absolute calibration of radiant incidance over wide dynamic ranges. Such a test facility is presently under development. It comprises a source assembly, a collimator, and a spectroradiometer. The source can emit either broadband or monochromatic radiation. In conjunction with a reference blackbody, the spectroradiometer monitors both the radiant incidance and the spectral distribution of the flux that enters the sensor under test.

© 1975 Optical Society of America

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