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基于固体腔扫描法布里-珀罗干涉仪的大气温度绝对探测方法研究

王骏 崔萌 陆红 汪丽 闫庆 刘晶晶 华灯鑫

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基于固体腔扫描法布里-珀罗干涉仪的大气温度绝对探测方法研究

王骏, 崔萌, 陆红, 汪丽, 闫庆, 刘晶晶, 华灯鑫

Investigation of the absolute detection method of atmospheric temperature based on solid cavity scanning Fabry-Perot interferometer

Wang Jun, Cui Meng, Lu Hong, Wang Li, Yan Qing, Liu Jing-Jing, Hua Deng-Xin
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  • 大气温度是描述大气状态的重要基本特征参量之一. 目前,基于Rayleigh散射的大气温度探测方法多应用于大气温度的相对探测,即温度反演时需要响应函数和校准程序. 本文提出了利用固体腔扫描式法布里-珀罗干涉仪进行大气Rayleigh散射谱型的精细探测方法和残余米散射信号的抑制方法. 根据Rayleigh散射谱特点,针对固体腔扫描式法布里-珀罗干涉仪的自由光谱区、固体腔几何长度、腔体介质类型、半高全宽、腔体反射率、扫描间隔等参数进行了优化设计. 利用优化参数的固体腔扫描式法布里-珀罗干涉仪获取Rayleigh散射谱上离散点信息,并采用多项式插值方法获得拟合谱型,与根据标准大气模型和S6模型获得的理论谱型进行比对,大气温度探测不确定度小于0.8 K. 当信噪比为10时,白天与夜晚的探测距离分别为4.5 和7.9 km. 该方法可实现大气温度廓线的全天时和高精度绝对探测,并对同类高光谱激光雷达分光系统研究具有借鉴意义,为我国高光谱激光雷达陆基及星载应用提供了一套可行的分光系统解决方案.
    measurement methods based on Rayleigh scattering are employed to relatively detect atmospheric temperature profiles. That is to say, the definition of response functions and calibration procedures is required for temperature retrieval. Because the thermal motion rate of gas molecule complies with Maxwell distribution, and gas molecule is always in motion state, the frequency of scattering return signal generates Doppler spectral broadening. There is a positive correlation between the full width at half maximum of widened Doppler spectrum and T1/2, atmospheric absolute temperature can be obtained by measuring the Doppler spectrum shape. In this paper, the fine detection method of the spectrum shape of Rayleigh scattering and residuary Mie-scattering correction method based on solid cavity scanning Fabry-Perot (F-P) interferometer are investigated. According to the characteristics of Rayleigh scattering spectrum, the free spectral range, the geometric length of solid cavity, the type of cavity media, the full width at half maximum, the reflectivity of cavity, and the scanning step are designed. When the electro-optical crystal of KD*P with the length of 8.5 mm acts as solid cavity medium of scanning F-P interferometer, the designed free spectral region and 3 dB bandwidth are 11.5 GHz and 60 MHz at the central wavelength of 354.7 nm, respectively. The energy datum of 185 discrete points at Rayleigh scattering spectrum are obtained by using an optimized solid cavity scanning F-P interferometer with the scanning voltage of 23.5 V. A fitting spectrum is generated by employing polynomial interpolation method at the atmospheric temperature of 300 K. The maximum absolute error and full width at half maximum error of Rayleigh scattering spectrum are 22 MHz and 337 kHz, respectively. In order to verify the results, a numerical simulation of Rayleigh scattering spectrum based on standard atmosphere model and S6 model is performed. The detection uncertainty of atmospheric temperature is up to 0.8 K. As SNR (signal to noise ratio) is 10, the detection distance is 4.5 and 7.9 km at day-time and night-time, respectively. The research provides a new solution of filter system for the achievement of all-time, high-precision, and absolute detection of atmospheric temperature in the future. In meteorology, in order to investigate the temporal and spatial characteristics, the change rules and physical mechanism of weather processes, the temperature in the boundary layer of urban atmosphere is absolutely detected, where human activities are frequent and the changes of weather elements are obviously at day and night. In addition, the absolute detection method of atmospheric temperature can provide the valid means to research urban heat island, weather forecast for urban environment, and high temperature alert. In environmental studies, the absolute detection of atmospheric temperature can provide the big amount of scientific data for establishment of numerical model and research on air pollution diffusion. There is reference significance for the investigation of filter system of similar lidar. Simultaneously, the scanning filter method provides a feasible solution for the filter system with the characteristics of miniaturization, high anti-interference and high stability in the space-based platform.
      通信作者: 华灯鑫, dengxinhua@xaut.edu.cn
    • 基金项目: 国家自然科学基金(批准号:61575159,41627807)、陕西省自然科学基金(批准号:2016JM6010)、陕西省教育厅科学研究计划专项(批准号:15JK1529)和中国博士后科学基金(批准号:2015M570846)资助的课题.
      Corresponding author: Hua Deng-Xin, dengxinhua@xaut.edu.cn
    • Funds: Project supported by the National Natural Science Foundation of China (Grant Nos. 61575159, 41627807), the Natural Science Foundation of Shaanxi Province, China (Grant No. 2016JM6010), the Scientific Research Plan Project of Shaanxi Education Department, China (Grant No. 15JK1529), and the China Postdoctoral Science Foundation (Grant No. 2015M570846).
    [1]

    Li Y J, Song S L, Li F Q, Cheng X W, Chen Z W, Liu L M, Yang Y, Gong S S 2015 Chin. J. Geophys. 7 2294 (in Chinese) [李亚娟, 宋沙磊, 李发泉, 程学武, 陈振威, 刘林美, 杨勇, 龚顺生 2015 地球物理学报 7 2294]

    [2]

    Gong X, Hua D X, Li S C, Wang J, Shi X J 2016 Acta Phys. Sin. 65 073601 (in Chinese) [巩鑫, 华灯鑫, 李仕春, 王骏, 石晓菁 2016 物理学报 65 073601]

    [3]

    Wang H W, Hua D X, Wang Y F, Gao P, Zhao H 2013 Acta Phys. Sin. 62 120701 (in Chinese) [王红伟, 华灯鑫, 王玉峰, 高朋, 赵虎 2013 物理学报 62 120701]

    [4]

    Liu J, Hua D X, Li Y 2007 Acta Opt. Sin. 27 755 (in Chinese) [刘君, 华灯鑫, 李言 2007 光学学报 27 755]

    [5]

    Nobuki K, Akihito H, Shumpei K 2012 Laser Radar Technology and Applications XVII Baltimore, Maryland, USA, May 1-3, 2012 p8379

    [6]

    Fiocco G, Beneditti M G, Maschberger K, Madonna E 1971 Nature Phys. Sci. 229 78

    [7]

    Guo J J, Yan S A, Wu S H, Song X Q, Liu Z S 2008 J. Optoe. Laser 19 66 (in Chinese) [郭金家, 闫召爱, 吴松华, 宋小全, 刘智深 2008 光电子激光 19 66]

    [8]

    Shimizu H, Lee S A, She C Y 1983 Appl. Opt. 22 1373

    [9]

    Alvarez R J, Caldwell L M, Li Y H, Krueger D A, She C Y 1990 J. Atmos. Ocean. Technol. 7 876

    [10]

    Hua D X, Uchida M, Kobayashi T 2005 Appl. Opt. 44 1315

    [11]

    Graul J, Lilly T 2014 Opt. Express 22 20117

    [12]

    Gu Z Y, Witschas B, Water W V D, Ubachs W 2013 Appl. Opt. 52 4640

    [13]

    Ma Y, Fan F, Liang K, Li H, Yu Y, Zhou B 2012 J. Opt. 14 095703

    [14]

    Gerakis A, Shneider M N, Barker P F 2011 Opt. Express 19 24046

    [15]

    Li C S 2014 Acta Phys. Sin. 63 074207 (in Chinese) [李长胜 2014 物理学报 63 074207]

    [16]

    Witschas B, Gu Z Y, Ubachs W 2014 Opt. Express 22 29655

    [17]

    Kischkata J, Petersb S, Semtsiva M P, Wegnera T, Elagina M, Monastyrskyia G, Floresa Y, Kurlova S, Masselink W T 2014 Infrared Phys. Techn. 67 432

    [18]

    Alvarez R J, Caldwell L M, Li Y H, Krueger D A, She C Y 1990 J. Atmos. Ocean. Technol. 7 876

    [19]

    Zhong D Z, She W L 2012 Acta Phys. Sin. 61 064214 (in Chinese) [钟东洲, 佘卫龙 2012 物理学报 61 064214]

    [20]

    Wang Q M, Zhang Y M 2006 Meteorol. Sci. Technol. 34 246 (in Chinese) [王青梅, 张以谟 2006 气象科技 34 246]

  • [1]

    Li Y J, Song S L, Li F Q, Cheng X W, Chen Z W, Liu L M, Yang Y, Gong S S 2015 Chin. J. Geophys. 7 2294 (in Chinese) [李亚娟, 宋沙磊, 李发泉, 程学武, 陈振威, 刘林美, 杨勇, 龚顺生 2015 地球物理学报 7 2294]

    [2]

    Gong X, Hua D X, Li S C, Wang J, Shi X J 2016 Acta Phys. Sin. 65 073601 (in Chinese) [巩鑫, 华灯鑫, 李仕春, 王骏, 石晓菁 2016 物理学报 65 073601]

    [3]

    Wang H W, Hua D X, Wang Y F, Gao P, Zhao H 2013 Acta Phys. Sin. 62 120701 (in Chinese) [王红伟, 华灯鑫, 王玉峰, 高朋, 赵虎 2013 物理学报 62 120701]

    [4]

    Liu J, Hua D X, Li Y 2007 Acta Opt. Sin. 27 755 (in Chinese) [刘君, 华灯鑫, 李言 2007 光学学报 27 755]

    [5]

    Nobuki K, Akihito H, Shumpei K 2012 Laser Radar Technology and Applications XVII Baltimore, Maryland, USA, May 1-3, 2012 p8379

    [6]

    Fiocco G, Beneditti M G, Maschberger K, Madonna E 1971 Nature Phys. Sci. 229 78

    [7]

    Guo J J, Yan S A, Wu S H, Song X Q, Liu Z S 2008 J. Optoe. Laser 19 66 (in Chinese) [郭金家, 闫召爱, 吴松华, 宋小全, 刘智深 2008 光电子激光 19 66]

    [8]

    Shimizu H, Lee S A, She C Y 1983 Appl. Opt. 22 1373

    [9]

    Alvarez R J, Caldwell L M, Li Y H, Krueger D A, She C Y 1990 J. Atmos. Ocean. Technol. 7 876

    [10]

    Hua D X, Uchida M, Kobayashi T 2005 Appl. Opt. 44 1315

    [11]

    Graul J, Lilly T 2014 Opt. Express 22 20117

    [12]

    Gu Z Y, Witschas B, Water W V D, Ubachs W 2013 Appl. Opt. 52 4640

    [13]

    Ma Y, Fan F, Liang K, Li H, Yu Y, Zhou B 2012 J. Opt. 14 095703

    [14]

    Gerakis A, Shneider M N, Barker P F 2011 Opt. Express 19 24046

    [15]

    Li C S 2014 Acta Phys. Sin. 63 074207 (in Chinese) [李长胜 2014 物理学报 63 074207]

    [16]

    Witschas B, Gu Z Y, Ubachs W 2014 Opt. Express 22 29655

    [17]

    Kischkata J, Petersb S, Semtsiva M P, Wegnera T, Elagina M, Monastyrskyia G, Floresa Y, Kurlova S, Masselink W T 2014 Infrared Phys. Techn. 67 432

    [18]

    Alvarez R J, Caldwell L M, Li Y H, Krueger D A, She C Y 1990 J. Atmos. Ocean. Technol. 7 876

    [19]

    Zhong D Z, She W L 2012 Acta Phys. Sin. 61 064214 (in Chinese) [钟东洲, 佘卫龙 2012 物理学报 61 064214]

    [20]

    Wang Q M, Zhang Y M 2006 Meteorol. Sci. Technol. 34 246 (in Chinese) [王青梅, 张以谟 2006 气象科技 34 246]

计量
  • 文章访问数:  4722
  • PDF下载量:  191
  • 被引次数: 0
出版历程
  • 收稿日期:  2016-12-05
  • 修回日期:  2017-01-21
  • 刊出日期:  2017-04-05

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