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Proceedings Paper

Far-infrared spectroscopy of terbium-scandium-aluminium garnet and terbium-scandium perovskite
Author(s): Z. Mrázková; D. Hrabovský; K. Postava; J. Pištora; S. Turczynski; K. Kolodziejak; D. A. Pawlak
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Paper Abstract

Single crystals of the terbium-scandium-aluminium garnet (Tb3Sc2Al3O12) and terbium-scandium perovskite (TbScO3) prepared using the micro-pulling down method represent important materials with potential in photonics and optics. A method for far- and mid-infrared spectroscopy of the samples as small as 1 mm is proposed and tested in reflection and transmission configuration. High signal-to-noise ratio and high precision are obtained using the vacuum Fourier transform infrared (FTIR) spectrometer and a special pinhole holder. Reflectance spectra of the materials are measured in the spectral range from 7500 to 100 cm-1 (1.3 μm - 100 μm) for the angle of incidence of 11 degree. Optical functions were obtained by fitting of the data with the model dielectric function consisting of Lorentz damped harmonic oscillators and fulfilling the Kramers-Kronig dispersion relations.

Paper Details

Date Published: 14 December 2010
PDF: 6 pages
Proc. SPIE 7746, 17th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 774617 (14 December 2010); doi: 10.1117/12.881907
Show Author Affiliations
Z. Mrázková, Technical Univ. of Ostrava (Czech Republic)
D. Hrabovský, Technical Univ. of Ostrava (Czech Republic)
K. Postava, Technical Univ. of Ostrava (Czech Republic)
J. Pištora, Technical Univ. of Ostrava (Czech Republic)
S. Turczynski, Institute of Electronic Materials Technology (Poland)
K. Kolodziejak, Institute of Electronic Materials Technology (Poland)
D. A. Pawlak, Institute of Electronic Materials Technology (Poland)


Published in SPIE Proceedings Vol. 7746:
17th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics
Jarmila Müllerová; Dagmar Senderáková; Stanislav Jurečka, Editor(s)

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