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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
Source PublicationProceedings of SPIE: Advanced Optical Design and Manufacturing Technology and Astronomical Telescopes and Instrumentation
Volume10154Pages:1015403
2016
Language英语
ISSN0277-786X
DOI10.1117/12.2243597
Indexed BySCI ; Ei
WOS IDWOS:000391500900004
SubtypeC
AbstractWhen 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.
KeywordAtmospheric Thermodynamics Iterative Methods Light Propagation Manufacture Numerical Models Optical Design Probability Density Function Probability Distributions Radio Telescopes Telescopes Wavefronts
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Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/8446
Collection自适应光学技术研究室(八室)
Affiliation1. 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
Recommended Citation
GB/T 7714
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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