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Proceedings Paper

Optical spectroscopy of terbium-scandium-aluminium garnet and terbium-scandium perovskite
Author(s): K. Postava; L. Halagačka; D. Hrabovský; O. Životský; J. Pištora; D. A. Pawlak; S. Turczynski; K. Kolodziejak
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Paper Abstract

Tb3Sc2Al3O12-TbScO3 eutectic crystallizes in a rodlike microstructure, and its potential to exhibit photonic bandgap has been presented tentatively. In order to model its optical properties there is a need for precise determination of the optical properties of its component materials in a wide spectral range. Spectroscopic data in the range from 0.6 to 6.5 eV (190-2100 nm) were obtained using spectroscopic ellipsometer UVISEL, Horiba Jobin-Yvon. The measurement was completed with mid infrared reflection data using Bruker FTIR spectrometer in the spectral range from 7500 to 550 cm-1. Optical functions were obtained using fitting of the data with model dielectric function fulfilling the Kramers-Kronig dispersion relations. Obtained optical functions enable to model the optical properties of self-organized eutectic micro- and nanostructures.

Paper Details

Date Published: 12 May 2009
PDF: 6 pages
Proc. SPIE 7353, Metamaterials IV, 735311 (12 May 2009); doi: 10.1117/12.820789
Show Author Affiliations
K. Postava, Technical Univ. of Ostrava (Czech Republic)
L. Halagačka, Technical Univ. of Ostrava (Czech Republic)
D. Hrabovský, Technical Univ. of Ostrava (Czech Republic)
O. Životský, Technical Univ. of Ostrava (Czech Republic)
J. Pištora, Technical Univ. of Ostrava (Czech Republic)
D. A. Pawlak, Institute of Electronic Materials Technology (Poland)
S. Turczynski, Institute of Electronic Materials Technology (Poland)
K. Kolodziejak, Institute of Electronic Materials Technology (Poland)


Published in SPIE Proceedings Vol. 7353:
Metamaterials IV
Vladimir Kuzmiak; Peter Markos; Tomasz Szoplik, Editor(s)

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