| 基于TeO_2旋光特性对声光可调滤波器消色散的设计 |
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| 引用本文： | 任玉,蔡红星,谭勇,郑峰,张喜和. 基于TeO_2旋光特性对声光可调滤波器消色散的设计[J]. 中国科学:物理学 力学 天文学, 2011, 0(8): 917-923 |
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| 作者姓名： | 任玉 蔡红星 谭勇 郑峰 张喜和 |
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| 作者单位： | 长春理工大学理学院;长春理工大学国际纳米光子学与生物光子学联合研究中心; |
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| 基金项目： | 国家科技攻关计划资助项目(编号:2007BA107A00-1) |
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| 摘 要： | 该文研究了晶体外的衍射角随入射光波长以及入射光极角的变化趋势,并在考虑晶体的旋光特性的条件下对其进行研究,明确晶体旋光特性对衍射角的具体影响;在考虑晶体旋光特性的情况下,在晶体的出射面添加光楔,有效地消除了由于晶体色散而引起的图像漂移,提高了声光可调滤波器在光谱成像中的成像分辨率;最后对所添加的光楔进行优化设计,达到消除色散的最佳状态.
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| 关 键 词： | 衍射角漂移 色散 旋光特性 光楔 |
Design of the acousto-optic tunable filter base on the rotatory property of TeO_2 |
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| REN Yu,,CAI HongXing,TAN Yong,ZHENG Feng , ZHANG XiHe, Changchun University of Science , Technology,Changchun ,China, International Joint Research Center for Nanophotonis , Biophotnics. Design of the acousto-optic tunable filter base on the rotatory property of TeO_2[J]. SCIENCE CHINA Physics, Mechanics & Astronomy, 2011, 0(8): 917-923 |
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| Authors: | REN Yu CAI HongXing TAN Yong ZHENG Feng & ZHANG XiHe Changchun University of Science Technology Changchun China International Joint Research Center for Nanophotonis Biophotnics |
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| Affiliation: | REN Yu1,2,CAI HongXing1,TAN Yong1,ZHENG Feng1 & ZHANG XiHe1,2* 1 Changchun University of Science and Technology,Changchun 130022,China,2 International Joint Research Center for Nanophotonis and Biophotnics |
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| Abstract: | In this paper,the trend of diffraction angle which varies with the optical wavelength and the incident polar angle has been studied.Further studies have been made in the case of considering the rotatory property of the crystal in order to analyze the effect of the diffraction angle influenced by rotatory property.When adding an optical wedge exit face of crystal,the image drift due to dispersion has been eliminated effectively which improves the imaging resolution of the acousto-optic tunable filter in spec... |
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| Keywords: | diffraction angle drift crystal dispersion rotatory property optical wedge |
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