| Phase Matching of SHG in Arbitrary Directions of Biaxial Crystals |
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| 作者姓名： | YANG Shengli CHEN Mouzhi |
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| 作者单位： | Phys. Dept. of Xiamen Univ.，Xiamen 361005，China |
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| 摘 要： | 1 Ｉｎｔｒｏｄｕｃｔｉｏｎ Ｓｅｖｅｒａｌｂｉａｘｉａｌｃｒｙｓｔａｌｓ ,ｓｕｃｈａｓＫＴＰ ,ＬＢＯ ,ｈａｖｅｓｏｍｅｅｘｃｅｌｌｅｎｔｐｒｏｐｅｒｔｉｅｓ,ｓｕｃｈａｓｌａｒｇｅｎｏｎｌｉｎｅａｒ (ＮＬ )ｃｏｅｆｆｉｃｉｅｎｔｓ,ｗｉｄｅｗａｖｅｌｅｎｇｔｈｒａｎｇｅｓｏｆｔｒａｎｓｍｉｓｓｉｏｎ ,ａｎｄｅａｓｉｌｙｇｒｏｗｉｎｇｌａｒｇｅｓｉｚｅｃｒｙｓｔａｌｗｉｔｈｈｉｇｈｑｕａｌｉｔｙ .Ｔｈｅｂｉａｘｉａｌｃｒｙｓｔａｌｓｈａｖｅｂｅｅｎｅｘｔｅｎｓｉｖｅｌｙｕｓｅｄｉｎｌａｓｅｒｆｒ…
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| 收稿时间： | 2001/2/28 |
Phase Matching of SHG in Arbitrary Directions of Biaxial Crystals |
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| YANG Shengli,CHEN Mouzhi.Phase Matching of SHG in Arbitrary Directions of Biaxial Crystals[J].中国激光(英文版),2002,11(1):23-26. |
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| Authors: | YANG Shengli CHEN Mouzhi |
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| Abstract: | In this paper, propagation and polarization characteristics of optical waves in arbitrary directions in a biaxial crystal are analyzed, and universal relationships of refractive index dependence on their propagation directions and the principal refractive indices for two perpendicular polarization waves propagating in arbitrarily directions are derived from indicatrix equation. By using these relationships, methods of collinear phase matching (PM) of SHG are developed, and general expressions of the collinear PM angle dependent of the principal indices are given for SHG in arbitrarily directions. The expressions may be used to make optimization design of PM by computer for the SHG and to select optimum PM direction and to raise the SHG conversion efficiencies. |
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| Keywords: | biaxial crystal second harmonic generation (SHG) collinear PM PM angle |
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