| 用斑点成像消除光学系统像差的影响 |
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| 引用本文： | 罗林,沈忙作.用斑点成像消除光学系统像差的影响[J].光电工程,2005,32(10):47-50. |
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| 作者姓名： | 罗林 沈忙作 |
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| 作者单位： | 中国科学院光电技术研究所 微细加工光学技术国家重点实验室,四川,成都,610209;成都信息工程学院 光电技术系,四川,成都,610041;中国科学院研究生院,北京,100039;中国科学院光电技术研究所 微细加工光学技术国家重点实验室,四川,成都,610209 |
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| 摘 要： | 在详细分析用斑点成像消除目标图像中随机扰动影响的基础上，提出了在有像差光学系统中，应用斑点成像消除图像中像差影响的方法。通过在光学系统的光路中引入随机相位屏，采集物的短曝光像，用斑点成像处理，恢复目标图像的功率谱和相位谱，可以得到目标近衍射极限的图像。实验结果表明，这种方法可以消除图像中光学系统像差的影响。
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| 关 键 词： | 斑点成像 像差补偿 图像恢复 光学设计 |
| 文章编号： | 1003-501X(2005)10-0047-04 |
| 收稿时间： | 2005-06-03 |
| 修稿时间： | 2005-09-06 |
Elimination of optical aberrations by use of speckle imaging |
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| LUO Lin,SHEN Mang-zuo.Elimination of optical aberrations by use of speckle imaging[J].Opto-Electronic Engineering,2005,32(10):47-50. |
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| Authors: | LUO Lin SHEN Mang-zuo |
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| Affiliation: | 1. State Key Lab of Optical Technologies for Microfabrication, the Institute of Optics and Electronics, the Chinese Academy of Sciences, Chengdu 610209, China; 2. Department of Optics and Electronics, Chengdu University of Information Technology, Chengdu 610041, China; 3. Graduate School of the Chinese Academy of Sciences, Beijing 100039, China |
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| Abstract: | The principle of speckle imaging to restore the blurred image caused by turbulence is explored. An approach for removing the aberrations of the optical system by using speckle imaging is proposed. A random phase screen with phase spectrum fluctuation corresponding to Kolmogorv distribution is placed in the light path of the optical system to acquire large number of short-exposure images, and the image power spectrum and phase spectrum is restored by processing the short-exposure images. The results suggest that the present method is suitable for removing the aberrations and improving the imaging quality of the optical system. |
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| Keywords: | Speckle imaging Aberration compensation Image restoration Optical design |
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