| 太赫兹成像准光学系统设计 |
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| 引用本文： | 王兵兵, 侯丽伟, 谢巍, 等. 太赫兹成像准光学系统设计[J]. 强激光与粒子束, 2013, 25: 1561-1565. doi: 10.3788/HPLPB20132506.1561 |
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| 作者姓名： | 王兵兵 侯丽伟 谢巍 周德亮 |
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| 作者单位： | 1.中国电子科技集团公司第五十研究所, 上海 200063 |
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| 摘 要： | 为了设计出适用于太赫兹波段成像的光学系统，综合分析了各种成像系统的特点，其中离轴三反射式光学系统具有独特的优势。通过对离轴三反射式光学系统的设计原理、设计方法和步骤的详细介绍，利用ZEMAX光学设计软件，通过编写简单的ZPL宏指令以及光阑和视场离轴，设计了工作在太赫兹波段、入瞳大小250 mm、瞬时视场1 mrad、焦距800 mm、F数3.2的系统，实现了可用于太赫兹波段无中心遮拦的离轴三反射式准光学成像系统设计。
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| 关 键 词： | 太赫兹成像 准光学 光学设计 ZEMAX 离轴三反系统 |
| 收稿时间： | 2012-11-29 |
| 修稿时间： | 2013-01-06 |
Design of terahertz imaging quasi-optical system |
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| Wang Bingbing, Hou Liwei, Xie Wei, et al. Design of terahertz imaging quasi-optical system[J]. High Power Laser and Particle Beams, 2013, 25: 1561-1565. doi: 10.3788/HPLPB20132506.1561 |
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| Authors: | Wang Bingbing Hou Liwei Xie Wei Zhou Deliang |
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| Affiliation: | 1. The 50th Research Institute of China Electronic Technology Group Corporation,Shanghai 200063,China |
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| Abstract: | In order to design an optical imaging system working in the terahertz range, a comprehensive analysis and comparison of various optical imaging systems are given, the character and unique advantages of off-axis three-mirror system are presented. With the principle, design methods and procedures of off-axis three-mirror system are analyzed, and simple ZEMAX programming language (ZPL) macros are created. Both the pupil and field of view are off-axis properly after optimization with ZEMAX software. Finally, an off-axis three-mirror system working in the terahertz range is designed with a pupil of 250 mm, the IFOV (instantaneous field of view) of 1 mrad, a focal length of 800 mm, and an F number of 3.2. Thus, the off-axis three-mirror quasi-optical system working in the terahertz range is realized. |
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| Keywords: | terahertz imaging quasi-optical optical design ZEMAX off-axis three-mirror system |
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