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Proceedings Paper

Radiometric linearity in passive FTIR spectrometry
Author(s): Robert T. Kroutil; Roger J. Combs; Robert B. Knapp
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Paper Abstract

Passive standoff FTIR spectrometry relies on the radiance differential between a background scene and a target vapor analyte. Unlike traditional FTIR approaches controlling radiance levels within a narrow range, the passive configuration often encounters a large variance in radiance levels. This places higher demands on the passive FTIR configuration for maintaining linearity. The present study assesses the radiometric linearity of a passive FTIR configuration using controlled blackbody radiance in conjunction with target samples such as a polystyrene film and ethanol vapors.

Paper Details

Date Published: 23 November 1999
PDF: 10 pages
Proc. SPIE 3856, Internal Standardization and Calibration Architectures for Chemical Sensors, (23 November 1999); doi: 10.1117/12.371301
Show Author Affiliations
Robert T. Kroutil, U.S. Army Edgewood Research, Development, and Engineering Ctr. (United States)
Roger J. Combs, U.S. Army Edgewood Research, Development, and Engineering Ctr. (United States)
Robert B. Knapp, U.S. Army Edgewood Research, Development, and Engineering Ctr. (United States)


Published in SPIE Proceedings Vol. 3856:
Internal Standardization and Calibration Architectures for Chemical Sensors
Ronald E. Shaffer; Radislav A. Potyrailo, Editor(s)

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