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Proceedings Paper

Waveguiding in anisotropic planar structures
Author(s): Ondrej Barta; Frantisek Stanek; Tomas Kreml; Jaromir Pistora
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Paper Abstract

The study of guided modes in planar thin film structures allows a precise characterization of the refractive index, the thickness, and the optical anisotropy. On the base of the matrix elements, the conditions for waveguiding in magneto-optical thin films at transversal geometry have been specified. In this case there are two independent dispersion relations for TE and TM guided modes. Usually we assume that the relative permeability is equal to 1 in the frame of optical frequencies. This approximation is problematic in far IR region and for ultrathin films in the optical one. For this reason the formulae of dispersion relations for guided modes in a monolayer system with both permittivity and permeability tensors have been derived. Various planar configurations are simulated. The permeability tensor effect at transversal magnetization in waveguiding structure is analyzed in detail. The experimental possibilities of the dark mode spectroscopy for permeability tensor study in mentioned structures are briefly discussed.

Paper Details

Date Published: 29 December 1999
PDF: 6 pages
Proc. SPIE 4016, Photonics, Devices, and Systems, (29 December 1999); doi: 10.1117/12.373602
Show Author Affiliations
Ondrej Barta, Technical Univ. Ostrava (Czech Republic)
Frantisek Stanek, Technical Univ. Ostrava (Czech Republic)
Tomas Kreml, Technical Univ. Ostrava (Czech Republic)
Jaromir Pistora, Technical Univ. Ostrava (Czech Republic)

Published in SPIE Proceedings Vol. 4016:
Photonics, Devices, and Systems
Miroslav Hrabovsky; Pavel Tomanek; Miroslav Miler, Editor(s)

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