Volume 1, Issue 11 pp. 2674-2677

Coherent phonons

Complex dispersion relation of phonon-polariton in stoichiometric LiNbO₃

S. Kojima,

Corresponding Author

S. Kojima

[email protected]

Institute of Materials Science, University of Tsukuba, Tsukuba, Ibaraki 305-8573, Japan

Phone: +81 29 853 5307, Fax: +81 29 855 7440Search for more papers by this author

H. Kitahara,

H. Kitahara

Department of Physics, Faculty of Science, Shinshu University, Matsumoto, Nagano 390-8621, Japan

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S. Nishizawa,

S. Nishizawa

Department of Physics, Faculty of Science, Shinshu University, Matsumoto, Nagano 390-8621, Japan

JST, AISPEC, 11-17, Hiyoshi, Hachioji, Tokyo 193-0836, Japan

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M. Wada Takeda,

M. Wada Takeda

Department of Physics, Faculty of Science, Shinshu University, Matsumoto, Nagano 390-8621, Japan

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S. Kojima,

Corresponding Author

S. Kojima

[email protected]

Institute of Materials Science, University of Tsukuba, Tsukuba, Ibaraki 305-8573, Japan

Phone: +81 29 853 5307, Fax: +81 29 855 7440Search for more papers by this author

H. Kitahara,

H. Kitahara

Department of Physics, Faculty of Science, Shinshu University, Matsumoto, Nagano 390-8621, Japan

Search for more papers by this author

S. Nishizawa,

S. Nishizawa

Department of Physics, Faculty of Science, Shinshu University, Matsumoto, Nagano 390-8621, Japan

JST, AISPEC, 11-17, Hiyoshi, Hachioji, Tokyo 193-0836, Japan

Search for more papers by this author

M. Wada Takeda,

M. Wada Takeda

Department of Physics, Faculty of Science, Shinshu University, Matsumoto, Nagano 390-8621, Japan

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First published: 16 November 2004

https://doi.org/10.1002/pssc.200405360

Citations: 4

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Abstract

Complex polariton dispersion relations were studied in the nearly stoichiometric lithium niobate crystals grown by the double crucible Czochralski method using the terahertz (THz) time domain spectroscopy. The intensity and phase delay of transmitted THz radiation have been accurately measured for the propagation along the x-axis from 0.1 to 2.3 THz. The dispersion relation of phonon-polariton frequency and damping factor have been determined for A₁(z) and E(x,y) symmetry polaritons. (© 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

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Volume1, Issue11

Special Issue:The 11th International Conference on Phonon Scattering in Condensed Matter (Phonons2004)

November 2004

Pages 2674-2677

Complex dispersion relation of phonon-polariton in stoichiometric LiNbO₃

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Complex dispersion relation of phonon-polariton in stoichiometric LiNbO₃