西北高原地区光学湍流的观测与分析

陈小威; 李学彬; 孙刚; 刘庆; 朱文越; 翁宁泉

doi:10.3788/IRLA201645.S111001

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西北高原地区光学湍流的观测与分析

陈小威, 李学彬, 孙刚, 刘庆, 朱文越, 翁宁泉

文章导航 > 红外与激光工程 > 2016 > 45(S1): 157-162

陈小威, 李学彬, 孙刚, 刘庆, 朱文越, 翁宁泉. 西北高原地区光学湍流的观测与分析[J]. 红外与激光工程, 2016, 45(S1): 157-162. doi: 10.3788/IRLA201645.S111001

引用本文:

陈小威, 李学彬, 孙刚, 刘庆, 朱文越, 翁宁泉. 西北高原地区光学湍流的观测与分析[J]. 红外与激光工程, 2016, 45(S1): 157-162. doi: 10.3788/IRLA201645.S111001

Chen Xiaowei, Li Xuebin, Sun Gang, Liu Qing, Zhu Wenyue, Weng Ningquan. Observation and analysis of optical turbulence in Northwest plateau[J]. Infrared and Laser Engineering, 2016, 45(S1): 157-162. doi: 10.3788/IRLA201645.S111001

Citation:

Chen Xiaowei, Li Xuebin, Sun Gang, Liu Qing, Zhu Wenyue, Weng Ningquan. Observation and analysis of optical turbulence in Northwest plateau[J]. Infrared and Laser Engineering, 2016, 45(S1): 157-162. doi: 10.3788/IRLA201645.S111001

西北高原地区光学湍流的观测与分析

doi: 10.3788/IRLA201645.S111001

1.
中国科学院安徽光学精密机械研究所中国科学院大气成分与光学重点实验室,安徽合肥 230031;
2.
中国科学技术大学研究生院科学岛分院,安徽合肥 230031;
3.
中国科学技术大学环境科学与光电技术学院,安徽合肥 230026

基金项目:

国家自然科学基金(41205023,41375017)

详细信息

作者简介:
陈小威(1990-),男,博士生,主要从事大气参数测量与分析方面的研究。Email:kachenxiaowei@126.com

中图分类号: P427.1

Observation and analysis of optical turbulence in Northwest plateau

1.
Key Laboratory of Atmospheric Composition and Optical Radiation,Anhui Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Hefei 230031,China;
2.
Science Island Branch of Graduate School,University of Science and Technology of China,Hefei 230031,China;
3.
School of Environmental Science and Optoelectronic Technology,University of Science and Technology of China,Hefei 230026,China

摘要: 天文选址的决策和激光传输系统的设计和应用需要掌握大气光学湍流的时空变化规律。利用HTP-2型温度脉动仪测量近地面湍流,用大气相干长度仪测量整层湍流积分效应。分析折射率结构常数Cn2的实测数据,得到近地面光学湍流月平均和季平均的变化规律。分析了早晚两个转换时刻不同参数的变化规律。根据广义Hufnagel-Valley模式反演得到夜间、白天及转换时刻整层湍流廓线,比较了不同时刻湍流廓线的特点。在连续多年实测数据的基础上所得结论全面可靠,具有重要的工程参考价值。
- 大气光学湍流 /
- Hufnagel-Valley模式 /
- 大气相干长度 /
- 等晕角
Abstract: Spatio-temporal evolution of optical turbulence is important for site-testing and optimizing the performance of adaptive optical systems. Measurements were taken over three years using surface layer atmospheric parameter system and differential image motion monitor. Microthermal sensors measured structure constant of refractive index and differential image motion monitors measured atmospheric coherent length and isoplanatic angle. Analysis of structure constant of refractive index showed the monthly and seasonal evolution of surface optical turbulence. Different parameters were analyzed during inversion time. The vertical profile of atmospheric structure constant of refractive index was gained based on Hufnagel-Valley mode1 for night,day and inversion time and different characters were found for different profiles.Based on longtime experiments, the results are credible and valuable for engineering application.
- atmospheric optical turbulence /
- Hufnagel-Valley model /
- atmospheric coherent length /
- isoplanatic angle

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西北高原地区光学湍流的观测与分析

doi: 10.3788/IRLA201645.S111001

1. 中国科学院安徽光学精密机械研究所中国科学院大气成分与光学重点实验室,安徽合肥 230031;

2. 中国科学技术大学研究生院科学岛分院,安徽合肥 230031;

3. 中国科学技术大学环境科学与光电技术学院,安徽合肥 230026

作者简介:
陈小威(1990-),男,博士生,主要从事大气参数测量与分析方面的研究。Email:kachenxiaowei@126.com

收稿日期: 2016-02-10
修回日期: 2016-03-11
刊出日期: 2016-05-25

基金项目:

国家自然科学基金(41205023,41375017)

中图分类号: P427.1

关键词:

摘要: 天文选址的决策和激光传输系统的设计和应用需要掌握大气光学湍流的时空变化规律。利用HTP-2型温度脉动仪测量近地面湍流,用大气相干长度仪测量整层湍流积分效应。分析折射率结构常数Cn2的实测数据,得到近地面光学湍流月平均和季平均的变化规律。分析了早晚两个转换时刻不同参数的变化规律。根据广义Hufnagel-Valley模式反演得到夜间、白天及转换时刻整层湍流廓线,比较了不同时刻湍流廓线的特点。在连续多年实测数据的基础上所得结论全面可靠,具有重要的工程参考价值。

English Abstract

Observation and analysis of optical turbulence in Northwest plateau

1. Key Laboratory of Atmospheric Composition and Optical Radiation,Anhui Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Hefei 230031,China;

2. Science Island Branch of Graduate School,University of Science and Technology of China,Hefei 230031,China;

3. School of Environmental Science and Optoelectronic Technology,University of Science and Technology of China,Hefei 230026,China

Received Date: 2016-02-10
Rev Recd Date: 2016-03-11
Publish Date: 2016-05-25

Keywords:

Abstract: Spatio-temporal evolution of optical turbulence is important for site-testing and optimizing the performance of adaptive optical systems. Measurements were taken over three years using surface layer atmospheric parameter system and differential image motion monitor. Microthermal sensors measured structure constant of refractive index and differential image motion monitors measured atmospheric coherent length and isoplanatic angle. Analysis of structure constant of refractive index showed the monthly and seasonal evolution of surface optical turbulence. Different parameters were analyzed during inversion time. The vertical profile of atmospheric structure constant of refractive index was gained based on Hufnagel-Valley mode1 for night,day and inversion time and different characters were found for different profiles.Based on longtime experiments, the results are credible and valuable for engineering application.