IEEJ Transactions on Fundamentals and Materials
Online ISSN : 1347-5533
Print ISSN : 0385-4205
ISSN-L : 0385-4205
Numerical Analysis of Plane Wave Diffraction by a Semi-Infinite Grating
Masahiko NISHIMOTOHiroyoshi IKUNO
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2001 Volume 121 Issue 10 Pages 905-910

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Abstract

Plane wave diffraction by a semi-infinite strip grating is analyzed in order to investigate the end-effect of finite gratings in pure form. In the formulation, the current induced on each strip is divided into periodic current on an infinite strip grating and the correction current induced by the truncation of the periodic structure. These currents are determined by solving a set of integral equations by using the method of moment. Numerical calculations for current distribution, diffraction patterns, and norm of the induced correction currents reveal the end-effects of the semi-infinite grating.

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