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Light scattering on Chebyshev particles of higher order

Rother, Tom and Schmidt, Karsten and Wauer, Jochen and Shcherbakov, Valery and Gayet, Jean-Francois (2006) Light scattering on Chebyshev particles of higher order. Applied Optics, 45 (23), pp. 6030-6037.

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Abstract

In this paper we present first results of a light scattering analysis on several Chebyshev particles characterized by higher orders. Chebyshev particles of comparatively lower orders are used in the past to study the effects of nonspherical but concave geometries in remote sensing applications. Here we will show that, based on the developed methodology, accurate results can be also obtained for particles of higher orders exhibiting a more pronounced surface waviness. The achieved results demonstrate that higher order Chebyshev particles can be used to estimate the influence of a weak surface roughness on the light scattering behaviour of the underlying smooth scatterer. The obtained effects correspond with results of other approaches and with the theoretical expectations of a weak surface roughness. In contrast to what is known for regular particles there can be observed an essential difference between the phase functions of the underlying spherical scatterer and the corresponding higher order Chebyshev particle if a higher absorptivity of the scattering medium is considered. This paper demonstrates additionally that Chebyshev polynomials can be simply combined with other smooth geometries than spheres.

Document Type:Article
Title:Light scattering on Chebyshev particles of higher order
Authors:
AuthorsInstitution or Email of Authors
Rother, TomUNSPECIFIED
Schmidt, KarstenUNSPECIFIED
Wauer, JochenUNSPECIFIED
Shcherbakov, ValeryInstitute of Physics, Minsk, Belarus
Gayet, Jean-FrancoisLaboratoir de Meteorologie Physique, Universite Blaise Pascal, Aubiere, France
Date:August 2006
Journal or Publication Title:Applied Optics
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:45
Page Range:pp. 6030-6037
Editors:
EditorsEmail
Optical Society of America, UNSPECIFIED
Status:Published
Keywords:light scattering, Chebyshev particle, irregular particles
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben Entwicklung von Atmosphärenprozessoren (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Atmospheric Processors
Deposited By: Dr.rer.nat. Tom Rother
Deposited On:13 Nov 2006
Last Modified:27 Apr 2009 13:13

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