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Alternative TitleNumerical simulation of wander of ranging laser beam
李荣旺; 常翔; 熊耀恒
Source Publication光学学报(Guangxue Xuebao/Acta Optica Sinica)
Contribution Rank第1完成单位
Indexed ByEI ; CSCD
Keyword大气光学 数值仿真 光斑漂移 远距离激光测距
Other AbstractFor the application of long-distance laser ranging, such as geosynchronous satellite laser ranging and lunar laser ranging, the uplink beam is simulated by using split-step numerical method (or fast-Fourier-transform beam propagation method). Using unequal interval phase screen distribution according to the profile of atmosphere structural constant, the average propagation intensity is in good agreement with theoretical value. Based on this, the effect of beam wander is analyzed, which is the main reason of intensity decrease on axis. So after the removal of beam wander, without pointing error, the intensity on axis increases roughly. This improves the probability of detecting echo of laser ranging. It is found that there is a proper initial beam waist to minimize the on-axis scintillation index. The simulation results are very useful to the design of tip-tilt correction system.
Funding Organization国家自然科学基金(10778705)资助课题
Subject Area天文学
Archive Date2011-12-19
Citation statistics
Cited Times:8[CSCD]   [CSCD Record]
Document Type期刊论文
Recommended Citation
GB/T 7714
李荣旺,常翔,熊耀恒. 测距光束光斑漂移的数值仿真[J]. 光学学报(Guangxue Xuebao/Acta Optica Sinica),2011,31(11):1-6.
APA 李荣旺,常翔,&熊耀恒.(2011).测距光束光斑漂移的数值仿真.光学学报(Guangxue Xuebao/Acta Optica Sinica),31(11),1-6.
MLA 李荣旺,et al."测距光束光斑漂移的数值仿真".光学学报(Guangxue Xuebao/Acta Optica Sinica) 31.11(2011):1-6.
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