EM analysis of a conducting scatterer in optic dielectric waveguide
Resource
Journal of Lightwave Technology 16 (6): 1107-1112
Journal
Journal of Lightwave Technology
Journal Volume
16
Journal Issue
6
Pages
1107--1112
Date Issued
1998-06
Author(s)
Abstract
A method to compute the scattered field of curved mirrors and gratings in a dielectric slab waveguide is proposed. In contrast to the beam propagation method (BPM) for this kind of problems, the method of moment is adopted. By introducing the dyadic Green's function in a slab waveguide, the electric field integral equations for induced current distribution on the conducting obstacles are derived. To improve the computational efficiency, the modified Green's function is incorporated into the computation program. With this study, the effects of grooves of gratings and the finite extent of the mirrors in dielectric waveguides can be investigated in more detail.
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Type
journal article
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