Infrared contrast of crude-oil-covered water surfaces
Optics Letters, Vol. 33, Issue 24, pp. 3019-3021 (2008)
http://dx.doi.org/10.1364/OL.33.003019
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Abstract
Infrared oil spill detection utilizes either temperature or emissivity contrast of native and oil-covered water surfaces. In particular, the thickness dependent radiance contrast due to thin film interference has been studied. Together with detection boundaries derived from the radiative transfer equation, we can explain historically observed daytime contrast reversal and our observations during nighttime, better contrast from thin oil slicks than from thick films, which to our knowledge has not been mentioned in the literature. These findings have important implications to long-wavelength infrared (LWIR) instrument design and data interpretation for crude oil spill detection.
© 2008 Optical Society of America
OCIS Codes
(260.3060) Physical optics : Infrared
(260.3160) Physical optics : Interference
(280.6780) Remote sensing and sensors : Temperature
ToC Category:
Physical Optics
History
Original Manuscript: September 8, 2008
Manuscript Accepted: October 18, 2008
Published: December 12, 2008
Citation
Wei-Chuan Shih and A. Ballard Andrews, "Infrared contrast of crude-oil-covered water surfaces," Opt. Lett. 33, 3019-3021 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-24-3019
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