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晶体和基团倍频系数间的普遍变换公式

陈创天 陈孝琛

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晶体和基团倍频系数间的普遍变换公式

陈创天, 陈孝琛

A GENERAL TRANSFORMATION FORMULA FOR SHG COEFFI-C1ENTS OF A CRYSTAL AND THOSE OF ITS ANIONIC GROUPINGS

CHEN CHUANG-TIAN, CHEN XIAO-SHEN
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  • 本文使用倍频系数的不可约张量表示法,得到了离子基团的微观倍频系数与晶体宏观倍频系数间的一般变换公式,从而为晶体中不同取向的基因对宏观倍频系数的贡献提供了普遍的计算公式。应用这一计算方法可方便地计算各种碘酸盐的倍频系数,结果相当满意。本文对于探索新型倍频材料,提供了明确的空间结构条件。
    By using the irreducible tensor method of representing SHG coefficients, we have proposed in this paper a general transformation formula for SHG coefficients of the macroscopic crystal and those of its microscopic anionic groupings. It thus leads to a series of calculation formulas suitable generally for calculating the contributions of the anionic groupings of different orientations in the crystal to the macroscopic SHG coefficients. It has been shown that this method can be used conveniently to calculate the SHG coefficients of various iodates. The agreements of our calculation values with the experimental ones are quite satisfactory. Our work has provided a dear stero-structural criterion for searching of new types of SHG materials.
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  • 被引次数: 0
出版历程
  • 收稿日期:  1979-09-22
  • 刊出日期:  1980-04-05

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