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Efficient computation of mixed potential dyadic Green's functions for a 1D periodic array of line sources in layered media

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4 Author(s)
Valerio, G. ; Dept. of Electron. Eng., Sapienza Univ. of Rome, Rome, Italy ; Wilton, D.R. ; Jackson, D.R. ; Galli, A.

In this paper an original approach is described for the efficient computation of the mixed-potential scalar and dyadic Green's functions for a one-dimensional (1D) periodic array of line sources embedded in a planar stratified structure. Suitable asymptotic extractions, corresponding to integrations in z of free-space Green's functions, are performed on the slowly-converging spectral series. The extracted terms are summed back through the Ewald method, modified and optimized to efficiently deal with these new free-space terms.

Published in:

Electromagnetics in Advanced Applications, 2009. ICEAA '09. International Conference on

Date of Conference:

14-18 Sept. 2009