| 主动光学反射镜面形的校正能力及其优化设计 |
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| 引用本文： | 于洋,曹根瑞.主动光学反射镜面形的校正能力及其优化设计[J].北京理工大学学报,2003,23(2):229-233. |
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| 作者姓名： | 于洋 曹根瑞 |
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| 作者单位： | 北京理工大学,信息科学技术学院光电工程系,北京,100081 |
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| 摘 要： | 研究评价主动反射镜的校正能力以及如何获得最大校正能力的方法，在分别计算出各个作动器响应函数的基础上，通过其线性组合使镜面分别产生与Zernike多项式各基元波面尽可能一致的面形，并通过分析比较两者的一致性程度评价主动光学反射镜的校正能力．用有限元法(FEM)进行了静力学分析和计算，从而给出具有最佳校正能力的作动器分布的优化方案．
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| 关 键 词： | 主动光学 作动器 有限元法 |
| 文章编号： | 1001-0645(2003)02-0229-05 |
| 收稿时间： | 2002/7/22 0:00:00 |
| 修稿时间： | 2002年7月22日 |
A Study on the Corrective Capability and Optimization of Active Mirrors |
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| YU Yang and CAO Gen rui.A Study on the Corrective Capability and Optimization of Active Mirrors[J].Journal of Beijing Institute of Technology(Natural Science Edition),2003,23(2):229-233. |
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| Authors: | YU Yang and CAO Gen rui |
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| Institution: | Department of Optical Engineering, School of Information Science and Technology, Beijing Institute of Technology, Beijing100081, China;Department of Optical Engineering, School of Information Science and Technology, Beijing Institute of Technology, Beijing100081, China |
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| Abstract: | To evaluate corrective capability and thus obtaining the maximum capability is a key point in the design and development of active mirrors. The closest profile of an active mirror to a given Zernike element profile can be obtained through linear combination of actuator influence functions, as measured by experiment or calculated by finite element method (FEM). The consistent level of the Zernike element profile with the actuator array generated profile can be regarded as an index of capability of an active mirror. Static analysis via FEM is studied, and the optimum scheme of actuator array for an active mirror with maximum corrective capability is achieved. |
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| Keywords: | active optics actuator array finite element method |
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