Modelling diffraction by facetted particles

Evelyn Hesse; Andreas Macke; Stephan Havemann; Anthony Baran; Zbigniew Ulanowski; Paul H. Kaye

doi:10.1016/j.jqsrt.2011.11.017

Modelling diffraction by facetted particles

Evelyn Hesse, Andreas Macke, Stephan Havemann, Anthony Baran, Zbigniew Ulanowski, Paul H. Kaye

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Abstract

A method to approximate azimuthally resolved light scattering patterns and phase functions due to diffraction and external reﬂection by strongly absorbing facetted particles is demonstrated for a cube and compared with results from an exact method, T-matrix. A phase function averaged over a range of orientations of a strongly absorbing hexagonal column of aspect ratio unity has been calculated and tested against Discrete Dipole Approximation (DDA) results for a size parameter of 50.

Original language	English
Pages (from-to)	342-347
Number of pages	6
Journal	Journal of Quantitative Spectroscopy and Radiative Transfer
Volume	113
Issue number	5
DOIs	https://doi.org/10.1016/j.jqsrt.2011.11.017
Publication status	Published - 23 Jan 2012

Keywords

Diffraction Facetted particle Kirchhoff approximation Light scattering

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10.1016/j.jqsrt.2011.11.017

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abstract = "A method to approximate azimuthally resolved light scattering patterns and phase functions due to diffraction and external reﬂection by strongly absorbing facetted particles is demonstrated for a cube and compared with results from an exact method, T-matrix. A phase function averaged over a range of orientations of a strongly absorbing hexagonal column of aspect ratio unity has been calculated and tested against Discrete Dipole Approximation (DDA) results for a size parameter of 50.",

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AU - Hesse, Evelyn

AU - Macke, Andreas

AU - Havemann, Stephan

AU - Baran, Anthony

AU - Ulanowski, Zbigniew

AU - Kaye, Paul H.

PY - 2012/1/23

Y1 - 2012/1/23

N2 - A method to approximate azimuthally resolved light scattering patterns and phase functions due to diffraction and external reﬂection by strongly absorbing facetted particles is demonstrated for a cube and compared with results from an exact method, T-matrix. A phase function averaged over a range of orientations of a strongly absorbing hexagonal column of aspect ratio unity has been calculated and tested against Discrete Dipole Approximation (DDA) results for a size parameter of 50.

AB - A method to approximate azimuthally resolved light scattering patterns and phase functions due to diffraction and external reﬂection by strongly absorbing facetted particles is demonstrated for a cube and compared with results from an exact method, T-matrix. A phase function averaged over a range of orientations of a strongly absorbing hexagonal column of aspect ratio unity has been calculated and tested against Discrete Dipole Approximation (DDA) results for a size parameter of 50.

KW - Diffraction Facetted particle Kirchhoff approximation Light scattering

U2 - 10.1016/j.jqsrt.2011.11.017

DO - 10.1016/j.jqsrt.2011.11.017

M3 - Article

AN - SCOPUS:84856215966

SN - 0022-4073

VL - 113

SP - 342

EP - 347

JO - Journal of Quantitative Spectroscopy and Radiative Transfer

JF - Journal of Quantitative Spectroscopy and Radiative Transfer

IS - 5

ER -

Modelling diffraction by facetted particles

Abstract

Keywords

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