Linear and Nonlinear Optical Properties of Quasicrystals |
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作者姓名: | 周详 胡承正 龚平 朱家昆 |
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作者单位: | DepartmentofPhysics,WuhanUniversity,Wuhan430072 |
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摘 要: | An investigation is carried out on the linear and nonlinear optical properties of quasicrystaJs. The linear and nonlinear susceptibilities are determined for two- and three-dimensional ctuasicrystals. The results show that for optical linearity, two-dimensional quasicrystals are uniaxial, while icosahedral quasicrystals are optically isotropic. Meanwhile all ctuasicrystals, except those with 5, 5m, N, Nmm (N = 8, 10, 12) symmetries, have no the firstorder optical nonlinearity. The tensor scheme of the first order nonlinear susceptibility is the same for these eight exceptional kinds of quasicrystals.
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关 键 词: | 准晶体 线性光学 非线性光学 铝-锰合金 磁化系数 QCs |
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