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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: |
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| 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: | Raumfahrt | ||||||
| HGF - Program Themes: | R EO - Erdbeobachtung | ||||||
| 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: | 25 Apr 2013 15:23 |
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