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题名:
A modified phase diversity wavefront sensor with a diffraction grating
作者: Luo, Qun1,2,3; Huang, Lin-Hai2,3; Gu, Nai-Ting2,3; Rao, Chang-Hui2,3
刊名: Chinese Physics B
出版日期: 2012
卷号: 21, 期号:9, 页码:094201
学科分类: Aberrations - Computer simulation - Diffraction - Sensors - Wavefronts
DOI: 10.1088/1674-1056/21/9/094201
通讯作者: Luo, Q. (littlepuppet-luo@sina.com)
文章类型: 期刊论文
中文摘要: The phase diversity wavefront sensor is one of the tools used to estimate wavefront aberration, and it is often used as a wavefront sensor in adaptive optics systems. However, the performance of the traditional phase diversity wavefront sensor is limited by the accuracy and dynamic ranges of the intensity distribution at the focus and defocus positions of the CCD camera. In this paper, a modified phase diversity wavefront sensor based on a diffraction grating is proposed to improve the ability to measure the wavefront aberration with larger amplitude and higher spatial frequency. The basic principle and the optics construction of the proposed method are also described in detail. The noise propagation property of the proposed method is also analysed by using the numerical simulation method, and comparison between the diffraction grating phase diversity wavefront sensor and the traditional phase diversity wavefront sensor is also made. The simulation results show that the diffraction grating phase diversity wavefront sensor can obviously improve the ability to measure the wavefront aberration, especially the wavefront aberration with larger amplitude and higher spatial frequency. © 2012 Chinese Physical Society and IOP Publishing Ltd.
英文摘要: The phase diversity wavefront sensor is one of the tools used to estimate wavefront aberration, and it is often used as a wavefront sensor in adaptive optics systems. However, the performance of the traditional phase diversity wavefront sensor is limited by the accuracy and dynamic ranges of the intensity distribution at the focus and defocus positions of the CCD camera. In this paper, a modified phase diversity wavefront sensor based on a diffraction grating is proposed to improve the ability to measure the wavefront aberration with larger amplitude and higher spatial frequency. The basic principle and the optics construction of the proposed method are also described in detail. The noise propagation property of the proposed method is also analysed by using the numerical simulation method, and comparison between the diffraction grating phase diversity wavefront sensor and the traditional phase diversity wavefront sensor is also made. The simulation results show that the diffraction grating phase diversity wavefront sensor can obviously improve the ability to measure the wavefront aberration, especially the wavefront aberration with larger amplitude and higher spatial frequency. © 2012 Chinese Physical Society and IOP Publishing Ltd.
收录类别: SCI ; Ei
语种: 英语
WOS记录号: WOS:000308870300036
ISSN号: 16741056
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6307
Appears in Collections:自适应光学技术研究室(八室)_期刊论文

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作者单位: 1. College of Opto-Electronics Science and Engineering, National University of Defense Technology, Changsha 410073, China
2. Laboratory on Adaptive Optics, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, China
3. Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu 610209, China

Recommended Citation:
Luo, Qun,Huang, Lin-Hai,Gu, Nai-Ting,et al. A modified phase diversity wavefront sensor with a diffraction grating[J]. Chinese Physics B,2012,21(9):094201.
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