| 太阳模拟器的拉赫不变量传递 |
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| 引用本文： | 单秋莎,张国玉,刘石,苏拾,吕文华,贺晓雷.太阳模拟器的拉赫不变量传递[J].中国光学,2012(6):639-645. |
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| 作者姓名： | 单秋莎 张国玉 刘石 苏拾 吕文华 贺晓雷 |
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| 作者单位： | [1]长春理工大学光电工程学院,吉林长春130022 [2]中国气象局气象探测中心,北京100081 |
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| 基金项目： | 国家公益性行业科技专项资金资助项目（No.GYHY200706003,No.GYHY201006043）;吉林省科技发展计划资助项目（No.20118012） |
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| 摘 要： | 介绍了太阳模拟器的组成及工作原理。在非成像光学的光学扩展量基础上，对照明系统和投影成像系统进行了光学匹配，并从拉赫不变量的角度分析了能量在整个系统中的传递情况，得出椭球聚光镜、光学积分器和准直物镜这三者的相对孔径相互之间的最佳匹配关系，即三者的相互之间的相对孔径值均为1／4时，满足光瞳衔接原理。计算得到了从物面到像面的拉赫不变量为0．45，验证了整个光学系统从物面到像面的拉赫不变量守恒，有效地利用了光学系统的光能。
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| 关 键 词： | 太阳模拟器 拉赫不变量 能量传递 非成像光学 照明系统 投影成像系统 |
Lagrange invariant energy transfer of solar simulator |
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| SHAN Qiu-sha,ZHANG Guo-yu,.,LIU Shi,SU Shi,LU Wen-hua,HE Xiao-lei.Lagrange invariant energy transfer of solar simulator[J].Chinese Optics,2012(6):639-645. |
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| Authors: | SHAN Qiu-sha ZHANG Guo-yu LIU Shi SU Shi LU Wen-hua HE Xiao-lei |
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| Institution: | 2 (1. School of Photo-electronic Engineering, Changchun University of Science and Technology, Changchun 130022, China ; 2. The Meteorological Detection Center of China Meteorological Administration ,Beijing 100081, China) |
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| Abstract: | This paper introduces the composition and operational principle of solar simulators. Based on the extence concept of non-imaging optics, the whole system including an illumination system and a projection im- aging system are matched, and the energy transfer in the whole system is analysed on the basis of Lagrange in- varian. The best matching relationship of relative aperture 1/4 among the ellipsoid condenser, optical integra- tor and the collimated object lens are obtained and satisfies the pupil connected principle. This calculated val- ue of Lagrange invariant is 0.45, which verifies that the Lagrange invariant is conserved from an object surface to an image surface. So the optical energy of the optical system is used effectively. |
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| Keywords: | solar simulator Lagrange invariant energy transfer non-imaging optics illumination system pro-jection imaging system |
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