| 对低层大气后向散射特性的测量与分析 |
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| 引用本文： | 许冰 张云成. 对低层大气后向散射特性的测量与分析[J]. 光电工程, 1998, 25(6): 37-40 |
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| 作者姓名： | 许冰 张云成 |
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| 作者单位： | 中国科学院光电技术研究所，中国科学院云南天文台 |
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| 基金项目： | 国家863高技术计划资助 |
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| 摘 要： | 激光导引星的亮度是决定自适应光学的系统工作状态的重要参数之一，它与大气散射和透过率等因素密切相关。为正确设计激光是引星系统提出用大气后向散射特性参数作为描述大气散射等对导引星影响的综合参数，并于１９９６年１２月首次在云南天文台对低层大气进行了后向散射特必参数测量，获得了５３２ｎｍ光的低层大气后向散射特性参数数据，并对测量结果进行了分析。
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| 关 键 词： | 大气散射 后向散射 自适应光学 激光信标 |
Measurement and Analysis for Backscatter Characteristics of Low Layer Atmosphere |
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| Xu Bing,Li Mingquan,Wu Chunmin Zhang Qiang,Shen Feng,Jiang Wenhan. Measurement and Analysis for Backscatter Characteristics of Low Layer Atmosphere[J]. Opto-Electronic Engineering, 1998, 25(6): 37-40 |
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| Authors: | Xu Bing Li Mingquan Wu Chunmin Zhang Qiang Shen Feng Jiang Wenhan |
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| Abstract: | The brightness of laser guide star is one of the important parameters determining the operating state of an adaptive optical system.It closely corresponds with the factors such as atmospheric scatter and transmission,etc.In order to correctly design laser guide star system,the idea using atmospheric backscatter characteristic parameters as comprehensive parameter describing the influence of atmospheric scatter on guide star is put forward.The measurement for the backscatter characteristic parameter in low layer atomosphere at Yunnan Observatory was first carried out in December,1996.The backscatter characteristic parameters of 532nm light in low layer atmosphere were obtained and the analysis for the measured results was carried out. |
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| Keywords: | Atmospheric scattering Back scattering Adaptive optics Laser beacon. |
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