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Proceedings Paper

Remote Sensing Of Gases By The Analysis Of Temporal Coherence
Author(s): S. M. Drum
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Paper Abstract

The development of a passive sensor for the remote detection of gases, which is based on an interferometer, is described. Unlike conventional Fourier Transform Spectroscopy (FTS), the interferometer is scanned over a very limited range of optical delays and the presence of gas is deduced airectly from the Fourier domain. Signal-to-noise calculations and laboratory experiments, using nitrogen dioxide (NO2) with visible light, are presented. These results demonstrate that this new technique has the advantages of higher sensitivity, faster scanning and a compact optical design.

Paper Details

Date Published: 6 October 1989
PDF: 10 pages
Proc. SPIE 1129, Advanced Optical Instrumentation for Remote Sensing of the Earth's Surface from Space, (6 October 1989); doi: 10.1117/12.961487
Show Author Affiliations
S. M. Drum, Admiralty Research Establishment (UK)


Published in SPIE Proceedings Vol. 1129:
Advanced Optical Instrumentation for Remote Sensing of the Earth's Surface from Space

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