| 折射-衍射混合高精度平行光管的设计 |
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| 引用本文： | 翟旭华,刘英,张洪涛,尹福昌. 折射-衍射混合高精度平行光管的设计[J]. 强激光与粒子束, 2008, 20(5): 744-746 |
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| 作者姓名： | 翟旭华 刘英 张洪涛 尹福昌 |
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| 作者单位： | 长春理工大学,光电工程学院,长春,130022;长春市装甲兵技术学院,控制系,长春,130117;中国科学院,长春光学精密机械与物理研究所,应用光学实验室,长春,130033;长春市装甲兵技术学院,控制系,长春,130117;长春理工大学,光电工程学院,长春,130022 |
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| 基金项目： | 总装综合计划部维修改革项目 |
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| 摘 要： | 平行光管是安装、调校、测试光学仪器的重要工具之一，也是光学量度仪器中的重要组成部分。为了提高平行光管的测量精度，利用衍射元件的特殊色差特性和像差特性，提出了折射-衍射混合平行光管的设计方案，系统的入瞳口径为80 mm，焦距为500 mm，系统总长小于550 mm。设计结果表明，系统的最大弥散斑直径为5.2 mm，角分辨率小于4.3″，在空间频率50 lp/mm处，系统的调制传递函数高于0.8，接近衍射极限。
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| 关 键 词： | 平行光管 衍射元件 光学设计 复消色差 |
| 收稿时间： | 1900-01-01; |
Design of hybrid refractive and diffractive collimator with high accuracy |
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| ZHAI Xu-hua,LIU Ying,ZHANG Hong-tao,YIN Fu-chang. Design of hybrid refractive and diffractive collimator with high accuracy[J]. High Power Laser and Particle Beams, 2008, 20(5): 744-746 |
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| Authors: | ZHAI Xu-hua LIU Ying ZHANG Hong-tao YIN Fu-chang |
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| Affiliation: | 1. Opoelectronics Engineering College, Changchun University of Science and Technology, Changchun 130022, China;2. Control Department, Armor Technique Institute of People’s Liberation Army, Changchun 130117, China;3. Applied Optics Laboratory, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China |
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| Abstract: | Collimator is one of the key tools to assemble, correct, adjust and test optical instrument, and it is an important part of the measuring instrument. In order to improve the measure accuracy, based on the particular aberration property of the diffraction optical element, the hybrid refractive- diffractive aberration correction method is put forward. The diameter of the collimator is 80 mm, the focal length is 500 mm. The overall length is less than 550 mm. The resolution is less than 4.3″. Having been optimized, the maximum spot is 5.2 mm, and the modulation transfer function(MTF) at 50 lp/mm is over 0.8, better than the conventional method. |
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| Keywords: | Diffraction optical element Optical design Apochromatism |
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