| 棱镜自重变形对波面影响的研究 |
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| 引用本文： | 张德江,刘立人,孙建锋,徐荣伟,李大汕.棱镜自重变形对波面影响的研究[J].光子学报,2006,35(4):618-621. |
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| 作者姓名： | 张德江 刘立人 孙建锋 徐荣伟 李大汕 |
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| 作者单位： | 中科院上海光学精密机械研究所,上海,201800 |
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| 基金项目： | 上海市科委资助项目
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中国科学院创新工程项目 |
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| 摘 要： | 采用有限元方法分析了单棱镜在重力作用下三个典型位置的表面变形，对棱镜表面Φ425mm通光孔径轴向变形量进行Zernike多项式拟合，画出了相应的波差图，并确定设计方案.进一步选择Φ360 mm口径光束对双棱镜在几种典型相对位置下进行光线采样、追迹，计算得到不同情况下由于双棱镜自重变形引起的总波差.
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| 关 键 词： | 星间光通信 波像差 有限元分析 轨道模拟器 Zernike多项式 |
| 收稿时间： | 2005-01-05 |
| 修稿时间： | 2005年1月5日 |
The Research on Wavefront Error Induced by the Deformation of Prisms Under Gravity |
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| Zhang Dejiang,Liu Liren,Sun Jianfeng,Xu Rongwei,Li Dashan.The Research on Wavefront Error Induced by the Deformation of Prisms Under Gravity[J].Acta Photonica Sinica,2006,35(4):618-621. |
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| Authors: | Zhang Dejiang Liu Liren Sun Jianfeng Xu Rongwei Li Dashan |
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| Affiliation: | Shanghai institute of Opitical and Fine Mechanics,Chinese Academy of Sciences, Shanghai 201800 |
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| Abstract: | Firstly finite element method is adopted to analyse surface deformation of a single prism under gravity when it is in three typical positions,and Zernike polynomials are fitted for Φ425 mm axial deformations of the prism surfaces,corresponding wavefront error figures are plotted,a design of prism is choosed. Then Φ360 mm light beam is sampled and ray tracing for double prisms in several typical relative position,and corresponding total wavefront error of double prisms under gravity are computed. |
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| Keywords: | Laser communication in space Wavefont error Finite element analysis Trajectory simulator Zernike polymial |
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