Case study about the accuracy behavior of three different T-matrix methods
Rother, Tom and Wauer, Jochen (2010) Case study about the accuracy behavior of three different T-matrix methods. Applied Optics, 49 (30), pp. 5746-5756. DOI: 10.1364/AO.49.005746. ISSN 1559-128X.
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In this paper we discuss the influence of two different sets of weighting functions on the accuracy behavior of T-matrix calculations for scalar scattering problems. The first set of weighting functions is related to one of Waterman’s original approaches. The other set results into a least-squares scheme for the transmission problem. It is shown that both sets of weighting functions produce results with a converse accuracy behavior in the near and far fields. Additional information, such as reciprocity and the fulfillment of the boundary condition, are needed to choose the set of weighting functions that is most appropriate for a certain application. The obtained criteria are applied afterward to an iterative T-matrix approach we developed to analyze scattering on regular particle geometries with an impressed but slight surface irregularity. However, its usefulness is demonstrated in this paper by analyzing the far-field scattering behavior of Chebyshev particles of higher orders.
|Title:||Case study about the accuracy behavior of three different T-matrix methods|
|Date:||13 October 2010|
|Journal or Publication Title:||Applied Optics|
|In Open Access:||No|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 5746-5756|
|Keywords:||light scattering, T-matrix approach, reciprocity|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||W EO - Erdbeobachtung|
|DLR - Research area:||Space|
|DLR - Program:||W EO - Erdbeobachtung|
|DLR - Research theme (Project):||W - Vorhaben Atmosphären- und Klimaforschung (old)|
|Institutes and Institutions:||Remote Sensing Technology Institute > Atmospheric Processors|
|Deposited By:||Dr.rer.nat. Tom Rother|
|Deposited On:||27 Oct 2010 09:22|
|Last Modified:||26 Mar 2013 13:21|
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