Transmission line approximation for periodic structures of dielectric bodies and its application to absorber design

Gau, J.-R.J.; Burnside, W. D.

doi:10.1109/aps.1994.408059

Cited by 2 publications

(1 citation statement)

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“…When the operating frequency is high, the diffraction theory can be applied to analyze scattering from wedge-shaped or pyramidal structures [1,2]. At low frequencies, the original problem can be transformed into a multi-layer problem to obtain an approximate solution [3][4][5]. However, lowfrequency approximations are useful only when the period of the absorber array is less than half of the wavelength.…”

Section: Introductionmentioning

confidence: 99%

High‐order finite‐element analysis of periodic absorbers

Lou¹,

Jin²

2003

Micro & Optical Tech Letters

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A high‐order vector finite‐element‐method (FEM) analysis of periodic absorbers is presented. By the virtue of the FEM, accurate modeling of complicated absorber structures is made possible. For a given accuracy, high‐order elements are used to reduce the number of unknowns and hence the computing time and memory consumption. The FEM is further combined with the asymptotic waveform evalaution (AWE) technique to produce fast‐frequency sweep. Both singly and doubly periodic absorbers are modeled and the accuracy of the method is demonstrated by comparisons with analytical solutions and published data. © 2003 Wiley Periodicals, Inc. Microwave Opt Technol Lett 37: 203–207, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10869

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Section: Introductionmentioning

confidence: 99%