ANALYSIS OF FINITE PERIODIC DIELECTRIC GRATINGS BY THE FINITE-DIFFERENCE FREQUENCY-DOMAIN METHOD WITH THE SUB-ENTIRE-DOMAIN BASIS FUNCTIONS AND WAVELETS | Zendy

Gang Zheng | Zendy; BingZhong Wang | Zendy; Hua Li | Zendy; Xiaofei Liu | Zendy; Shuai Ding | Zendy

Open Access

ANALYSIS OF FINITE PERIODIC DIELECTRIC GRATINGS BY THE FINITE-DIFFERENCE FREQUENCY-DOMAIN METHOD WITH THE SUB-ENTIRE-DOMAIN BASIS FUNCTIONS AND WAVELETS

Author(s) -

Gang Zheng,

BingZhong Wang,

Hua Li,

Xiaofei Liu,

Shuai Ding

Publication year - 2009

Publication title -

electromagnetic waves

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 89

eISSN - 1559-8985

pISSN - 1070-4698

DOI - 10.2528/pier09111502

Subject(s) - wavelet , frequency domain , basis (linear algebra) , basis function , mathematical analysis , domain (mathematical analysis) , finite difference , mathematics , computer science , geometry , artificial intelligence

In this paper, the flnite-difierence frequency-domain (FDFD) method, boundary integral equation (BIE) method and sub-entire-domain (SED) basis functions are combined to analyze scatterings from flnite periodic dielectric gratings. The wavelet method is used to reduce the number of inner product operations in calculating the mutual-impedance elements between the SED basis functions. In the numerical examples, the RCS curves obtained by the method in this paper are in good agreement with those obtained by the classical full-domain FDFD method, but the computational times are largely reduced and no large matrix equation needs to be stored and solved in the former.

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