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The radiation of a semi-infinite chiral slab waveguide

✍ Scribed by H. Cory; S. Zigdon

Publisher
John Wiley and Sons
Year
2000
Tongue
English
Weight
210 KB
Volume
24
Category
Article
ISSN
0895-2477

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✦ Synopsis

The reflection and transmission coefficients of electromagnetic wa¨es, whose trans¨erse electric and magnetic field components possess a gi¨en symmetric distribution, ha¨e been determined by the rigorous analysis of tehse components at the aperture plane of a semi-infinite chiral slab, either embedded between two semi-infinite dielectric media and placed in front of an air half space, or totally immersed in a uniform dielectric medium. The discrete spectrum of incident and reflected surface modes as well as the continuous spectrum of reflected and transmitted modes ha¨e been taken into consideration in this analysis. The ensuing integral equations ha¨e been transformed, by using an appropriate complete set of basis functions, into a system of algebraic equations which ha¨e been sol¨ed numerically. The tangential components of the electromagnetic field at the aperture plane, the radiation field in the far region, as well as the transmission and reflection coefficients ¨ariation as a function of chirality ha¨e been obtained, and different excitation schemes ha¨e been analyzed.

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