教師資料查詢 | 類別: 期刊論文 | 教師: 李明憲 LEE, MING-HSIEN (瀏覽個人網頁)

標題:Mechanism of linear and nonlinear optical effects of chalcopyrite AgGaX2 (X=S, Se, and Te) crystals
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出版(發表)日期2004/05/08
作品名稱Mechanism of linear and nonlinear optical effects of chalcopyrite AgGaX2 (X=S, Se, and Te) crystals
作品名稱(其他語言)
著者Bai, Lei; Lin, Zhes-huai; Wang, Zhiz-hong; Chen, Chuang-tian; Lee, Ming-hsien
單位淡江大學物理學系
出版者American Institute of Physics (AIP)
著錄名稱、卷期、頁數Journal of chemical physics 120(18), pp.8772-8778
摘要The electronic band structures for AgGaX2 ~X5S, Se, Te! chalcopyrites have been calculated using
a pseudopotential total energy method. First-principles calculations of the linear and nonlinear optical properties are presented for these crystals, with the electronic band structures obtained from pseudopotential method as input. The theoretical refractive indices and nonlinear optical coefficients are in good agreement with available experimental values. The origin of the nonlinear optical effects is explained through real-space atom-cutting analysis. The contribution of the GaX2 group ~X5S,
Se, Te! for second harmonic generation ~SHG! effect is dominant while that of the cation Ag is
negligible. In addition, the percentage contribution to the SHG coefficients from the different bonds increase with increase of the bond order.
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語言英文
ISSN0021-9606;1089-7690
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