A case study on the reciprocity in light scattering computations

A case study on the reciprocity in light scattering computations

The fulfillment of the reciprocity by five publicly available scattering programs is investigated for a number of different particles. Reciprocity means that the source and the observation point of a given scattering configuration can be interchanged without changing the result. The programs under c...

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Bibliographic Details
Published in:Optics express Vol. 20; no. 21; pp. 23253 - 23274
Main Authors: Schmidt, Karsten, Yurkin, Maxim A, Kahnert, Michael
Format: Journal Article
Language:English
Published: United States 08-10-2012
Subjects:
accuracy
Algorithms
clusters
Computer Simulation
discrete-dipole approximation
electromagnetic scattering
Light
Models, Theoretical
nonspherical
particles
Refractometry - methods
Scattering, Radiation
Software
Software Validation
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Summary:The fulfillment of the reciprocity by five publicly available scattering programs is investigated for a number of different particles. Reciprocity means that the source and the observation point of a given scattering configuration can be interchanged without changing the result. The programs under consideration are either implementations of T-matrix methods or of the discrete dipole approximation. Similarities and differences concerning their reciprocity behavior are discussed. In particular, it is investigated whether and under which conditions reciprocity tests can be used to evaluate the scattering results obtained by the different programs for the given particles.
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ISSN:1094-4087
1094-4087
DOI:10.1364/OE.20.023253