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Proceedings Paper

Low Temperature Infrared Source Calibration And Traceability At Arnold Engineering Development Center (AEDC)
Author(s): H. R. Little; Jay Hiatt; K A. Lienemann
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Paper Abstract

The Aerospace Chamber (7V) at AFDC is a radiometric calibration facility for cold back-ground space-based long-wavelength infrared sensors. A working standard, low-temperature blackbody (BB) has been developed for use in establishing radiometric calibrations that are directly traceable to the National Bureau of Standards (NBS). A description of the BB and the NBS calibration results are presented. This standa.rd source has been utilized to calibrate a phosphorous-doped, silicon bolometer which serves as a transfer device for the calibration of new blackbody sources. The electrically self-calibrating feature of this bolometer has been used to normalize variations in responsivity from one installation to anotter over a period of five years. For infrared (IR) sensor testing, the radiometric quantity of interest is beam irradiance at the sensor aperture. The calibration transfer process which is used to relate the working standard to attenuated sources, is described and the transfer devices are discussed.

Paper Details

Date Published: 22 September 1983
PDF: 9 pages
Proc. SPIE 0416, Applications of Optical Metrology: Techniques and Measurements II, (22 September 1983); doi: 10.1117/12.935929
Show Author Affiliations
H. R. Little, Calspan Field Services, Inc. (United States)
Jay Hiatt, Calspan Field Services, Inc. (United States)
K A. Lienemann, Calspan Field Services, Inc. (United States)

Published in SPIE Proceedings Vol. 0416:
Applications of Optical Metrology: Techniques and Measurements II
Jar Jueh Lee, Editor(s)

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