| 单轴晶体光轴任意取向时非寻常光的折射规律 |
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| 引用本文： | 刘才明.单轴晶体光轴任意取向时非寻常光的折射规律[J].光学技术,2002,28(6):559-560. |
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| 作者姓名： | 刘才明 |
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| 作者单位： | 浙江大学,物理系,浙江,杭州,310027 |
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| 基金项目： | 国家 8 6 3激光技术领域资助项目 ( 86 3 4 10 98 0 1) |
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| 摘 要： | 在单轴晶体光轴任意取向的情形下 ,应用惠更斯原理导出了非寻常光折射方向的普遍计算公式 ,并给出了确定非寻常光线折射面和折射角的具体解。结合几种熟知的特殊情形进行了简要讨论 ,揭示了文中所得到的折射规律较之斯涅尔定律更具有普遍性 ,从而为光学系统中各类单轴晶体光学元件的应用提供了一个理论依据
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| 关 键 词： | 单轴晶体 惠更斯原理 非寻常光 折射面 折射角 |
| 文章编号： | 1002-1582(2002)06-0559-02 |
| 修稿时间： | 2002年2月4日 |
Refraction regularity of extraordinary ray in uniaxial crystal with arbitrarily oriented optical axis |
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| LIU Cai,ming.Refraction regularity of extraordinary ray in uniaxial crystal with arbitrarily oriented optical axis[J].Optical Technique,2002,28(6):559-560. |
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| Authors: | LIU Cai ming |
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| Abstract: | The extraordinary ray neither obeys the refractive law, nor has certain index of refraction in anisotropic medium. By means of the hypothesis that the ordinary and the extraordinary rays have different wavelet surfaces propagating in uniaxial crystal, and applying the Huygens'principle, general operational formulas for the refractive direction of the extraordinary ray in uniaxial crystal with arbitrarily oriented optical axis are deduced. And the analytical expressions are given for determining plane of refraction and refraction angles of the extraordinary ray. Finally some special situations are discussed in detail. The refraction regularity obtained is more universality than Snell law, thus the theoretical basis is provided for applying for all kinds of optics cells of uniaxial crystal. |
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| Keywords: | uniaxial crystal Huygens'principle extraordinary ray plane of refraction refraction angles |
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