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A T-matrix approach for particles with small-scale surface roughness

Kahnert, Michael and Rother, Tom (2011) A T-matrix approach for particles with small-scale surface roughness. In: Proceedings of ELS XIII Conference, 89 (1), pp. 27-29. AAPP. ELS XIII-Conference, 26. -30. Sept. 2011, Taormina, Italy. DOI: 10.1478/C1V89S1P045. ISBN DOI: 10.1478/C1V89S1P045. ISSN 1825-1242

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Official URL: http://cab.unime.it/journals/index.php/AAPP/issue/view/Vol89_Supplement1/

Abstract

We combine group theory with a perturbation approach to perform T-matrix computations for particles with small-scale surface roughness up to size parameters of 70. The optical properties of high-order 3D-Chebyshev particles differ substantially from those of spheres. CPU times are reduced by more than 4-5 orders of magnitude by the use of group theory, while the perturbation approach circumvents the notorious ill-conditioning problems of the null-field method, thus allowing the treatment of large size parameters.

Document Type:Conference or Workshop Item (Speech)
Title:A T-matrix approach for particles with small-scale surface roughness
Authors:
AuthorsInstitution or Email of Authors
Kahnert, MichaelUNSPECIFIED
Rother, TomUNSPECIFIED
Date:2011
Journal or Publication Title:Proceedings of ELS XIII Conference
Refereed publication:No
In ISI Web of Science:No
Volume:89
DOI:10.1478/C1V89S1P045
Page Range:pp. 27-29
Publisher:AAPP
Series Name:Physical, Mathematical and Natural Sciences
ISSN:1825-1242
ISBN:DOI: 10.1478/C1V89S1P045
Status:Published
Keywords:T-matrix small-scale surface roughness, light scattering
Event Title:ELS XIII-Conference
Event Location:Taormina, Italy
Event Type:international Conference
Event Dates:26. -30. Sept. 2011
Organizer:Dipartimento di Fisica della Materia e Ingegneria Elettronica
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Entwicklung von Atmosphärenprozessoren
Location: Neustrelitz
Institutes and Institutions:Remote Sensing Technology Institute > Atmospheric Processors
Deposited By: Dr.rer.nat. Tom Rother
Deposited On:19 Jan 2012 11:06
Last Modified:12 Dec 2013 21:34

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