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Proceedings Paper

Millikelvin thermal dynamics of infrared scenes: sensitivity limits on optical detection of gas leaks
Author(s): Nathan Hagen
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Paper Abstract

Imaging the thermal changes in a scene at the millikelvin level reveals a fascinating world that we normally cannot see. Wind passing over the ground produces dynamic thermal striations that indicate the wind direction and speed. Trace quantities of infrared gases passing across the field of view create subtle thermal dynamics patterns that can be used to detect gas leaks. Combining these two effects, we show that the thermal signatures induced by air turbulence create a fundamental lower limit on the ability to detect trace gases with infrared imaging, independent of measurement noise.

Paper Details

Date Published: 30 August 2017
PDF: 8 pages
Proc. SPIE 10403, Infrared Remote Sensing and Instrumentation XXV, 104030G (30 August 2017); doi: 10.1117/12.2273639
Show Author Affiliations
Nathan Hagen, Utsunomiya Univ. (Japan)

Published in SPIE Proceedings Vol. 10403:
Infrared Remote Sensing and Instrumentation XXV
Marija Strojnik; Maureen S. Kirk, Editor(s)

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