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Proceedings Paper

Aerosol MTF revisited
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Paper Abstract

Different views of the significance of aerosol MTF have been reported. For example, one recent paper [OE, 52(4)/2013, pp. 046201] claims that the aerosol MTF "contrast reduction is approximately independent of spatial frequency, and image blur is practically negligible". On the other hand, another recent paper [JOSA A, 11/2013, pp. 2244-2252] claims that aerosols "can have a non-negligible effect on the atmospheric point spread function". We present clear experimental evidence of common significant aerosol blur and evidence that aerosol contrast reduction can be extremely significant. In the IR, it is more appropriate to refer to such phenomena as aerosol-absorption MTF. The role of imaging system instrumentation on such MTF is addressed too.

Paper Details

Date Published: 29 May 2014
PDF: 14 pages
Proc. SPIE 9071, Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XXV, 907119 (29 May 2014); doi: 10.1117/12.2052912
Show Author Affiliations
Norman S. Kopeika, Ben-Gurion Univ. of the Negev (Israel)
Arkadi Zilberman, Ben-Gurion Univ. of the Negev (Israel)
Yitzhak Yitzhaky, Ben-Gurion Univ. of the Negev (Israel)


Published in SPIE Proceedings Vol. 9071:
Infrared Imaging Systems: Design, Analysis, Modeling, and Testing XXV
Gerald C. Holst; Keith A. Krapels; Gary H. Ballard; James A. Buford; R. Lee Murrer, Editor(s)

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