Scattering from very rough layers under the geometric optics approximation: further investigation
JOSA A, Vol. 25, Issue 6, pp. 1293-1306 (2008)
http://dx.doi.org/10.1364/JOSAA.25.001293
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Abstract
Scattering from very rough homogeneous layers is studied in the high-frequency limit (under the geometric optics approximation) by taking the shadowing effect into account. To do so, the iterated Kirchhoff approximation, recently developed by
Pinel et al. [Waves Random Complex Media
17, 283 (2007)]
and reduced to the geometric optics approximation, is used and investigated in more detail. The contributions from the higher orders of scattering inside the rough layer are calculated under the iterated Kirchhoff approximation. The method can be applied to rough layers of either very rough or perfectly flat lower interfaces, separating either lossless or lossy media. The results are compared with the PILE (propagation-inside-layer expansion) method, recently developed by
Déchamps et al. [J. Opt. Soc. Am. A
23, 359 (2006)]
, and accelerated by the forward-backward method with spectral acceleration. They highlight that there is very good agreement between the developed method and the reference numerical method for all scattering orders and that the method can be applied to root-mean-square (RMS) heights at least down to
© 2008 Optical Society of America
OCIS Codes
(000.5490) General : Probability theory, stochastic processes, and statistics
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(290.5880) Scattering : Scattering, rough surfaces
ToC Category:
Scattering
History
Original Manuscript: February 4, 2008
Manuscript Accepted: March 14, 2008
Published: May 14, 2008
Citation
Nicolas Pinel and Christophe Bourlier, "Scattering from very rough layers under the geometric optics approximation: further investigation," J. Opt. Soc. Am. A 25, 1293-1306 (2008)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-25-6-1293
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