自适应光学系统校正后实际分辨率评价指标

卫沛锋; 刘欣悦; 林旭东; 董磊; 王鸣浩

doi:10.3788/CO.20140704.0672

Volume 7 Issue 4

Aug. 2014

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Chinese Optics > 2014 > 7(4): 672-678.

WEI Pei-feng, LIU Xin-yue, LIN Xu-dong, DONG Lei, WANG Ming-hao. Evaluation index of the actual resolution after correction of adaptive optical system[J]. Chinese Optics, 2014, 7(4): 672-678. doi: 10.3788/CO.20140704.0672

Citation:

WEI Pei-feng, LIU Xin-yue, LIN Xu-dong, DONG Lei, WANG Ming-hao. Evaluation index of the actual resolution after correction of adaptive optical system[J]. Chinese Optics, 2014, 7(4): 672-678. doi: 10.3788/CO.20140704.0672

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Evaluation index of the actual resolution after correction of adaptive optical system

doi: 10.3788/CO.20140704.0672

1.
Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China;
2.
University of Chinese Academy of Sciences, Beijing 100049, China

Received Date: 12 Feb 2014
Rev Recd Date: 15 Apr 2014
Publish Date: 25 Jul 2014

Abstract

Abstract

A new index, Resolved Cells Ratio(RCR), was proposed to evaluate the actual resolution of ground-based large-aperture telescope for spatial objective observation after adaptive optical system partial correcting. We discussed the physical meaning of the RCR combined with the observation instances of the 1.23 adaptive optical telescope. The range of the application of the RCR, the error influence factors and the effect of the atmospheric dispersion on the RCR were also analyzed. The result shows that the RCR could completely reflect the correction effectiveness of the adaptive optical telescope and the physical meaning of the RCR was intuitive. RCR can be applied to the estimation of the correction effectiveness of a telescope that can get the characterization of the wavefront. The error of the RCR mainly depend on the measurement error of the wavefront sensor. The effect of atmospheric dispersion on the RCR can be neglected.
- adaptive active,
- spatial objective,
- correction,
- index

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References

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[1] 饶长辉, 姜文汉, 凌宁. 自适应光学系统对实际大气湍流波前的时域实际分辨率[J].光学学报2001,21(8):933~938 Rao Changhui, Jiang Wenhan, LingNing. Temporal correction effectiveness of adaptive optical system for light wave atmospheric propagation[J].Acta Optica Pticasinica,2001,21(8):933~938.(in Chinese) [2] 饶长辉, 沈锋, 姜文汉.自适应光学系统波前校正残余误差的功率谱分析方法[J].光学学报，2001,20(1):68~73 RaoChanghui，ShenFeng，JiangWenhan. Analysisof Closed-LoopWavefront Residual Error of AdaptiveOptical SystemUsingtheMethod of Power Spectrum[J].Acta Optica Pticasinica,2001,20(1):68~73.(in Chinese) [3] Vladimir P. Lukin, Boris V.Fortes. Partial correction for turbulent distortions in telescopes[J], Applied Optics,1998,37(21), 4561~4568 [4] 张以谟. 应用光学[M]. 北京：电子工业出版社,2008.659~677 Zhang YiMo. Applied Optics[M].Beijing:Publishing House of Electronics Industry,2008,659~677.(in Chinese) [5] John W. Hardy , Adaptive optics for astronomical telescope[M], Oxford University Press,1998,95~115 [6] 饶长辉，非Kolmogorov湍流情况下低阶校正自适应光学系统的性能研究[D].北京：中国科学院,2000,7~30 Rao Changhui, Performance analysis of low-order correction adaptive optical system for non-Kolmogorov turbulence[D],Beijing: Chinese academy of science,2000,7~30.(in Chinese) [7] P.Dierickx.Optical performance of large ground-based telescope[J].Journal of Modern Optics,1992,39(3):569~588 [8] Manuel P.Cagigal, Vidal F.Canales.Generalized Fired parameters after adaptive optics partial wave-front compensation.[J].J.Opt.Soc.AM.A,2000,17(5):903~910 [9] 李勇.基于多尺度分解的多源图像融合算法研究[D].吉林大学,2010,11~15 Li Yong. Multi-source Image Fusion Based on Multi-scale Decomposition[D].Jilin University,2010,11~15.(in Chinese) [10] 王斌，汪宗洋，吴元昊等.利用多通道相位差异波前探测法检测自使用光学系统非共光路像差[J].光学·精密工程，2013,21(7)：1683~1692 Wang Bin, Wang Zong-yang, Wu Yuan-hao et al.. Calibration of no-common path aberration in AO system using multi-channel phase-diversity wave-front sensing[J].Opt.Precision Eng.,2013,21 (7): 1683~1692.(in Chinese) [11] 费业泰. 误差理论与数据处理[M]. 北京：机械工业出版社，2000.58~60 Fei YeTai.Error theory and data processing[M].Beijing:China machine press,2000.58~60.(in Chinese)

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