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Imaging spectrometer F-number optimization for remote sensing of gases
Author(s): John F. Silny; Brad A. Flanders
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Paper Abstract

Detection of gases by a remote sensor has wide-ranging utility. The optimum sensor design depends on several key characteristics of the scene and imaging geometry. A generalized analysis of the signal-to-noise ratio (SNR) and spatial resolution shows that the optimum sensor F-number depends on the spatial distribution of the gas. Detection of a broad area emission results in a different optimal sensor configuration than when the emission is localized. The optimum F-number also depends on the exposure settings. A parametric analysis shows that detection performance varies between F#-2 and F#4. The results of this paper provide guidance for sensor designers to optimize gas detection by imaging spectrometers.

Paper Details

Date Published: 18 September 2018
PDF: 9 pages
Proc. SPIE 10768, Imaging Spectrometry XXII: Applications, Sensors, and Processing, 1076803 (18 September 2018); doi: 10.1117/12.2323616
Show Author Affiliations
John F. Silny, Raytheon Space and Airborne Systems (United States)
Brad A. Flanders, Raytheon Space and Airborne Systems (United States)


Published in SPIE Proceedings Vol. 10768:
Imaging Spectrometry XXII: Applications, Sensors, and Processing
John F. Silny; Emmett J. Ientilucci, Editor(s)

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