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research article
Accuracy of surface integral equation matrix elements in plasmonic calculations
We study the convergence of the integrals required to be evaluated in the surface integral equation (SIE) formulation (or method of moments) for simulating the optical response of plasmonic nanostructures. We analyze how the numerical quadratures used to compute the integrals affect the accuracy of the SIE matrix elements and, in turn, that of the relevant physical quantities calculated using the method. Based on these studies, we propose an optimized algorithm for evaluation of the integrals, which improves the accuracy of the results without significantly increasing the calculation overhead.
Type
research article
Web of Science ID
WOS:000351134200018
Authors
Publication date
2015
Publisher
Volume
32
Issue
3
Start page
485
End page
492
Subjects
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
April 8, 2015
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