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An iterative algorithm for the position of time-varying phase screens in the atmospheric turbulence
Shao, Wenyi1,2,3; Xian, Hao1,2
2016
发表期刊Proceedings of SPIE: Advanced Optical Design and Manufacturing Technology and Astronomical Telescopes and Instrumentation
ISSN0277-786X
卷号10154页码:1015403
文章类型C
摘要When considering the time-variant characteristics of atmospheric turbulence in the numerical simulation research, it is very essential to generate the phase screens that meet the requirement. Meanwhile, in the numerical simulation of light propagation along an inhomogeneous turbulent path, the reasonable position of phase screens is also very important. In this article, an iterative algorithm of phase screen position based on the multilayer model of phase screens is given. And the phase screens are also continuously interpolated in order to meet the need of dynamic movement. Moreover, an example of light propagation combining the time-variant phase screens in two-layer system is provided under condition of the Hufnagel-Valley5/7. Thereafter, the characteristics of the optical wavefront and intensity changed with time are analyzed. The results show that the statistical properties of the generated phase screen coincides well with theoretical model of atmospheric turbulence in the low and high frequency region which is mainly concerned. The variance of Zernike coefficients of the optical wavefront in numerical simulation agrees with theoretical values basically. Although there is certain error existence in the probability density distribution of intensity fluctuation between simulation results and theoretical analyses, the trend of it is consistent with the lognormal distribution. Thus, the feasibility and validity of the above mentioned iterative algorithm is vindicated. © 2016 SPIE.
关键词Atmospheric Thermodynamics Iterative Methods Light Propagation Manufacture Numerical Models Optical Design Probability Density Function Probability Distributions Radio Telescopes Telescopes Wavefronts
DOI10.1117/12.2243597
收录类别SCI ; Ei
语种英语
项目资助者China High-Tech Industrialization Association (CHIA) ; Chinese Society for Optical Engineering (CSOE)
WOS记录号WOS:000391500900004
引用统计
文献类型期刊论文
条目标识符http://ir.ioe.ac.cn/handle/181551/8446
专题自适应光学技术研究室(八室)
作者单位1. Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu
2.610209, China
3. Institute of Optics and Electronic, Chinese Academy of Sciences, Chengdu
4.610209, China
5. University of Chinese Academy of Sciences, Beijing
6.100049, China
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Shao, Wenyi,Xian, Hao. An iterative algorithm for the position of time-varying phase screens in the atmospheric turbulence[J]. Proceedings of SPIE: Advanced Optical Design and Manufacturing Technology and Astronomical Telescopes and Instrumentation,2016,10154:1015403.
APA Shao, Wenyi,&Xian, Hao.(2016).An iterative algorithm for the position of time-varying phase screens in the atmospheric turbulence.Proceedings of SPIE: Advanced Optical Design and Manufacturing Technology and Astronomical Telescopes and Instrumentation,10154,1015403.
MLA Shao, Wenyi,et al."An iterative algorithm for the position of time-varying phase screens in the atmospheric turbulence".Proceedings of SPIE: Advanced Optical Design and Manufacturing Technology and Astronomical Telescopes and Instrumentation 10154(2016):1015403.
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