| 空气隙偏光镜空气层厚度的优化设计 |
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| 引用本文： | 马建玲,李国华.空气隙偏光镜空气层厚度的优化设计[J].激光技术,2005,29(1):72-73. |
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| 作者姓名： | 马建玲 李国华 |
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| 作者单位： | 1.泰山学院, 物理系, 泰安, 271021; |
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| 摘 要： | 棱镜偏光镜的空气隙对其透射比同样具有影响,对空气隙的厚度进行优化设计对提高棱镜的透射比很具实际意义.以格兰泰勒棱镜为例,利用菲涅耳公式和多光束干涉理论,给出空气隙棱镜e光透射比的计算公式,分析了e光透射比随其空气隙厚度的变化规律,提出了为提高透射比棱镜空气隙厚度的最佳取值,从而实现棱镜的优化设计.
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| 关 键 词： | 偏光镜 透射比 空气隙 多光束干涉 |
| 文章编号： | 1001-3806(2005)01-0072-02 |
| 收稿时间： | 2003/12/29 |
| 修稿时间： | 2003年12月29 |
Optimum thickness of air gap of air-spaced polarizing prism |
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| MA Jian-ling,LI Guo-hua.Optimum thickness of air gap of air-spaced polarizing prism[J].Laser Technology,2005,29(1):72-73. |
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| Authors: | MA Jian-ling LI Guo-hua |
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| Affiliation: | MA Jian-ling1,LI Guo-hua2 |
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| Abstract: | The air gap of polarization prism is influential to the transmissivity of this type of polarizer.Optimized design of the thickness of air gap is very useful to improve e-ray transmission in polarization prism.By means of the Glan-Taylor prism,based on the theory of Fresnel formula and multiple-beam interference,the calculation formulum of e-ray transmissivity in air-spaced prism is put forward.The law of the e-ray transmissivity varing with the air gap thickness is analyzed so that the optimum air gap thickness can be obtained to design an optimum polarizing prism. |
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| Keywords: | polariscope transmissivity air gap multi-beam interference |
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