The Search For Consistency: Comparison Of The Army (POST), Air Force (ARC-7V) and McDonnell Douglas (ASET) Infrared Test Facilities

Todd Gilmore

doi:10.1117/12.959594

23 December 1980 The Search For Consistency: Comparison Of The Army (POST), Air Force (ARC-7V) and McDonnell Douglas (ASET) Infrared Test Facilities

Todd Gilmore

Author Affiliations +

Proceedings Volume 0256, Infrared Systems; (1980) https://doi.org/10.1117/12.959594
Event: 1980 Huntsville Technical Symposium, 1980, Huntsville, United States

Abstract

Since the initial 1970 operation of the ASET Facility, the internal calibration monitor bolometer responsivity has been determined by three optical and one electronic means yielding differing results ranging from 6.51 x 10⁴ V/W to 22.8 x 10⁴ V/W. During the HOST sensor calibrations in the ASET and POST facilities it was found that one of the optical methods yielded HOST NEFD's compatible with the POST results. This same responsivity is currently being employed in the DOT/ASET sensor calibrations and resulted in reasonable agreement between DOT sensor Flight lA and ground based stellar measurements. It is shown here that by recalculation with ASET bolometer test data it is possible to bring the results of the electronic and two of the optical methods into agreement with the respon-sivity used for HOST and DOT, and that this value also eliminates the longstanding factor of 2.8 discrepancy between the ASET and ARC-7V measurements of the SRS sensor NEFD. It is pointed out that while this bolometer responsivity determination does not clear up the discrepancy of the ASET and BONT calibrations of the FAIR II TAB sensor, it does signifi-cantly increase consistency of the ASET facility internal calibrations as well as bring the ASET, POST and ARC-7V facilities into accord.

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Todd Gilmore "The Search For Consistency: Comparison Of The Army (POST), Air Force (ARC-7V) and McDonnell Douglas (ASET) Infrared Test Facilities", Proc. SPIE 0256, Infrared Systems, (23 December 1980); https://doi.org/10.1117/12.959594

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