| 基于YVO4晶体的Rochon棱镜设计及特性分析 |
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| 引用本文： | 林海峰,张继艳,杨上供.基于YVO4晶体的Rochon棱镜设计及特性分析[J].厦门理工学院学报,2010,18(2):29-32. |
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| 作者姓名： | 林海峰 张继艳 杨上供 |
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| 作者单位： | 厦门理工学院数理系,福建,厦门,361024 |
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| 基金项目： | 福建省教育厅科技计划项目 |
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| 摘 要： | 设计了一种YVO4晶体的Rochon棱镜,分析Rochon棱镜的结构角、视场角以及工作波长之间的关系,结果表明,在0.4~2.0μm波段范围内,其视场角和结构角随入射光波长的增大而减小,在0.4~0.8μm范围内,随入射光波长的变化较明显,但是在近红外波段中,随波长变化不明显.当棱镜结构角为40.2°时,Rochon棱镜具有高消光比、高透过率的特点.
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| 关 键 词： | YVO4晶体Rochon棱镜 结构角 视场角 透过率 入射光波长 |
Design and Characteristic Analysis of YVO4 Crystal Rochon Prism |
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| LIN Hai-feng,ZHANG Ji-yan,YANG Shang-gong.Design and Characteristic Analysis of YVO4 Crystal Rochon Prism[J].Journal of Xiamen University of Technology,2010,18(2):29-32. |
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| Authors: | LIN Hai-feng ZHANG Ji-yan YANG Shang-gong |
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| Institution: | (Faculty of Mathematics ＆ Physics,Xiamen University of Technology,Xiamen 361024,China) |
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| Abstract: | A YVO4 crystal Rochon prism is designed.The relationships between Rochon prism structure angle and view field angle are studied with different wavelengths.The results show that with 0.4~2.0 μm wavelengths,the structure angle and view field angle are smaller when the wavelength is larger.In visible light,these changes are obvious according to the enhancement of wavelength.But in the near-infrared region,these changes are flat.The prism with the structure angle of 40.2° has a good extinction ratio and the transmission characteristic in both visible and near-infrared regions. |
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| Keywords: | YVO4 crystal Rochon prism structure angle view field angle transmission wavelength |
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