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Department自适应光学技术研究室(八室)
Analysis of aiming performance limitation for an optical system in atmospheric turbulence
Ye, Xiaowei1,2,3; Shen, Feng1,2
Source PublicationJOURNAL OF OPTICAL TECHNOLOGY
Volume85Issue:10Pages:603-609
2018-10-01
Language英语
ISSN1070-9762
DOI10.1364/JOT.85.000603
Indexed BySCI ; Ei
WOS IDWOS:000446968400002
EI Accession Number20184305973148
SubtypeJ
AbstractIn an optical system that is transmitting a laser beam through the atmosphere by phase compensation with adaptive optics, the aiming performance depends on the method of wavefront tilt detection, which can be divided into Zernike tilt detection and gradient tilt detection. A unified formulation for both methods is obtained to calculate the residual tilt angle jitter and tilt correction factor, which are defined as the evaluation indexes of the aiming performance. A parameter L-0 called the equivalent atmospheric coherence length is expressed as an integral over the structure constant profile of the refraction index and is modulated by a modulation function that is determined by the ratio of the offset distance to the aperture. As a result, the tilt correction factor can be represented as (r(0)/L-0)(5/6), where r(0) is the atmospheric coherence length. Simulations illustrate that the aiming performance of an optical system based on gradient tilt detection is better than that of Zernike tilt detection under identical conditions. For the two types of system, the aiming performance will be decreased as the ratio of the offset distance to the aperture increases and the atmospheric conditions worsen. (C) 2018 Optical Society of America
KeywordAtmospheric structure Atmospheric turbulence Laser beams Optical systems Wavefronts
WOS KeywordADAPTIVE-OPTICS ; ANISOPLANATISM ; TILT
EI KeywordsAtmospheric structure ; Atmospheric turbulence ; Laser beams ; Optical systems ; Wavefronts
EI Classification Number443.1 Atmospheric Properties ; 741.1 Light/Optics ; 741.3 Optical Devices and Systems ; 744.8 Laser Beam Interactions
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Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/9300
Collection自适应光学技术研究室(八室)
Affiliation1.Key Laboratory of Adaptive Optics, Chinese Academy of Science, Chengdu, Sichuan; 610209, China;
2.Institute of Optics and Electronics, Chinese Academy of Science, Chengdu, Sichuan; 610209, China;
3.University of Chinese Academy of Science, Beijing; 10049, China
Recommended Citation
GB/T 7714
Ye, Xiaowei,Shen, Feng. Analysis of aiming performance limitation for an optical system in atmospheric turbulence[J]. JOURNAL OF OPTICAL TECHNOLOGY,2018,85(10):603-609.
APA Ye, Xiaowei,&Shen, Feng.(2018).Analysis of aiming performance limitation for an optical system in atmospheric turbulence.JOURNAL OF OPTICAL TECHNOLOGY,85(10),603-609.
MLA Ye, Xiaowei,et al."Analysis of aiming performance limitation for an optical system in atmospheric turbulence".JOURNAL OF OPTICAL TECHNOLOGY 85.10(2018):603-609.
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