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A modified phase diversity wavefront sensor with a diffraction grating
Luo, Qun1,2,3; Huang, Lin-Hai2,3; Gu, Nai-Ting2,3; Rao, Chang-Hui2,3; Luo, Q. (littlepuppet-luo@sina.com)
Source PublicationChinese Physics B
Volume21Issue:9Pages:094201
2012
Language英语
ISSN16741056
DOI10.1088/1674-1056/21/9/094201
Indexed BySCI ; Ei
WOS IDWOS:000308870300036
Subtype期刊论文
AbstractThe 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.; 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.
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Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/6307
Collection自适应光学技术研究室(八室)
Corresponding AuthorLuo, Q. (littlepuppet-luo@sina.com)
Affiliation1. 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
GB/T 7714
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.
APA Luo, Qun,Huang, Lin-Hai,Gu, Nai-Ting,Rao, Chang-Hui,&Luo, Q. .(2012).A modified phase diversity wavefront sensor with a diffraction grating.Chinese Physics B,21(9),094201.
MLA Luo, Qun,et al."A modified phase diversity wavefront sensor with a diffraction grating".Chinese Physics B 21.9(2012):094201.
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