Hellmers, Jens and Wriedt, Thomas and Doicu, Adrian (2006) Light scattering simulation by oblate disc spheres using the null field method with discrete sources located in the complex plane. Journal of Modern Optics, 53 (3), pp. 267-282. Taylor & Francis Group. DOI: 10.1080/09500340500361346.
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The T-matrix method, which is also known as the null field method (NFM) or extended boundary condition method (EBCM), has established itself as a well known and highly regarded method for calculating light scattering by non-spherical particles. Its biggest advantage is the possibility to obtain all information about the scattering characteristics of the particle and to store it into one matrix. This enables one to do additional investigations with low efforts. Unfortunately the standard NFM fails to converge for particles with extremely non-spherical particle shapes, like long cylinders or coin-like flat cylinders. In this paper we investigate light scattering by finite particles in the form of an oblate disc sphere, which can be described as flat cylinders with a rounded edge. We use an advanced form of the T-matrix method - the null field method with discrete sources (NFM-DS). By presenting light scattering results we would like to demonstrate the potential this advanced NFM-DS offers. It allows one to calculate particle shapes with aspect ratios (relation between radius and thickness of the particle) up to 100:1 and size parameters (relation between radius and wavelength) up to 30.
|Title:||Light scattering simulation by oblate disc spheres using the null field method with discrete sources located in the complex plane|
|Journal or Publication Title:||Journal of Modern Optics|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 267-282|
|Publisher:||Taylor & Francis Group|
|Keywords:||Fibre Optics; Optical Communications; Electronics: Optics & Optoelectronics; Electrical & Computer Engineering: Optics & Optoelectronics; Electrical Engineering Communications: Optics & Optoelectronics; Optics, Optoelectronic Effects, Devices & Systems; Optoelectronics;|
|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)|
|Institutes and Institutions:||Remote Sensing Technology Institute > Atmospheric Processors|
|Deposited By:||Dr.rer.nat. Franz Schreier|
|Deposited On:||06 Mar 2007|
|Last Modified:||27 Apr 2009 13:04|
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