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Proceedings Paper

Cryogenic limb array etalon spectrometer calibration
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Paper Abstract

The CLAES is calibrated with a full-aperture blackbody on the instrument-aperture door. In laboratory calibration, the blackbody is resistively heated. On orbit, the blackbody is intended to be heated by exposure to radiation from the earth while the door is open; calibration data are then taken at several temperatures after closing the door, as the blackbody cools to the temperature of the instrument's cryogenic telescope. An analysis of radiometric calibration-source accuracy is shown, indicating a nominal value of 2.7 percent at 12.63 microns. Preliminary analysis of calibration data indicates a measurement repeatability of about 1.25 percent. Details of the blackbody design, construction, and thermal instrumentation are given.

Paper Details

Date Published: 1 November 1990
PDF: 9 pages
Proc. SPIE 1340, Cryogenic Optical Systems and Instruments IV, (1 November 1990); doi: 10.1117/12.23046
Show Author Affiliations
Lanny W. Sterritt, Lockheed Missiles & Space Co., Inc. (United States)
Aidan E. Roche, Lockheed Missiles & Space Co., Inc. (United States)
Bruce Charles Steakley, Lockheed Missiles & Space Co., Inc. (United States)
John B. Kumer, Lockheed Missiles & Space Co., Inc. (United States)
K. M. Zickuhr, Lockheed Missiles & Space Co., Inc. (United States)


Published in SPIE Proceedings Vol. 1340:
Cryogenic Optical Systems and Instruments IV
Ramsey K. Melugin; Gerald R. Pruitt, Editor(s)

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