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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/27610

Title: Terahertz optical constants of ytterbium-doped yttrium aluminum garnet crystals
Authors: Tsong-Ru Tsai;Chih-Fu Chang;Shi-Jie Chen;Masahiko Tani;Mariko Yamaguchi;Hisashi Sumikura;Hai-Pang Chiang;Yuan-Fan Chen;Wan-Sun Tse
Contributors: NTOU:Institute of Optoelectronic Sciences
Keywords: ytterbium;yttrium compounds;optical materials;submillimetre wave spectra;refractive index;extinction coefficients;phonons
Date: 2006-05-01
Issue Date: 2011-10-21T02:32:22Z
Publisher: Journal of Applied Physics
Abstract: Abstract:Terahertz time-domain spectroscopy has been employed to measure the optical constants of ytterbium-doped yttrium aluminum garnet (YbxY1−x)3Al5O12 (Yb:YAG) crystals for nominal x values of 0.0, 0.1, 0.2, 0.5, 0.8, and 1.0 in the frequency range from 0.2 to 1.8 THz. The real refractive indices for Yb:YAG crystals increase linearly with the concentration of Yb3+. The experimental results can be fitted by the Sellmeier equation. The results imply that the phonon modes of the Yb:YAG crystals shift to lower frequencies with substitution of Yb for Y. The extinction coefficients of the Yb:YAG crystals are smaller than 0.05.
Relation: 99(9), pp.093110-1-093110-4
URI: http://ntour.ntou.edu.tw/handle/987654321/27610
Appears in Collections:[光電科學研究所] 期刊論文

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