http://scholars.ntou.edu.tw/handle/123456789/1850
標題: | Terahertz optical constants of ytterbium-doped yttrium aluminum garnet crystals | 作者: | Tsong-Ru Tsai Chih-Fu Chang Shi-Jie Chen Masahiko Tani Mariko Yamaguchi Hisashi Sumikura Hai-Pang Chiang Yuan-Fan Chen Wan-Sun Tse |
公開日期: | 1-五月-2006 | 出版社: | AIP Publishing | 卷: | 99 | 期: | 9 | 起(迄)頁: | 093110 | 來源出版物: | Journal of Applied Physics | 摘要: | 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 0.2to1.8THz. 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. |
URI: | http://scholars.ntou.edu.tw/handle/123456789/1850 | ISSN: | 0021-8979 | DOI: | 10.1063/1.2195891 |
顯示於: | 光電與材料科技學系 |
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