序列长脉冲激光热晕效应的定标规律

张鹏飞1 乔春红1 冯晓星1 李南1 黄童1 范承玉1 王英俭1

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

【摘要】针对序列长脉冲激光, 提出了衡量序列长脉冲激光热晕效应强度的热畸变参数, 建立了序列长脉冲激光热晕效应的数值仿真模型, 并进行了实验验证。对比分析后发现实验结果与仿真结果在光斑形态和大小方面具有较好的一致性, 从而验证了序列长脉冲激光热晕效应的数学物理模型及仿真算法的可靠性。在此基础上, 通过改变大气参数及发射系统参数进行大量的数值仿真, 得出由序列长脉冲激光热晕效应引起的光斑扩展与热畸变参数的定量关系, 即序列长脉冲激光热晕效应的定标规律。

【关键词】 大气光学; 定标规律; 数值仿真; 序列长脉冲激光; 热晕效应;

【DOI】

【基金资助】 国家自然科学基金 (61405205)

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    References

    [1]Smith D C.High-power laser propagation:Thermal blooming[J].Proceedings of the IEEE, 1977, 65 (12) :1679-1714.

    [2]Gebhardt F G.Twenty-five years of thermal blooming:An overview[C].SPIE, 1990, 1221:2-25.

    [3]Gebhardt F G.High power laser propagation[J].Applied Optics, 1976.15 (6) :1479-1493.

    [4]Yan Wei, Chen Zhihua, Du Taijiao, et al.Numerical simulation of correction thermal blooming based on deformable mirror eigen mode[J].Acta Optica Sinica, 2014, 34 (11) :1101001.

    [5]Wang Yibin, Jin Guangyong, Zhang Wei.Temperature and thermal stress analysis of aluminium alloy plate irradiated by long pulsed laser[J].Chinese J Lasers, 2016, 43 (8) :0802006.

    [6]Eggins P L, McMordie J A, Dougla A C, et al.Thermal blooming of single pulse CO2laser radiation[J].Journal of Physics D:Applied Physics, 1979, 12:2063-2077.

    [7]Wu Yi, Wang Yingjian, Wang Chao, et al.Experiment research of thermal blooming effect induced by high power laser pulses[J].High Power Laser and Particle Beams, 1992, 4 (1) :86-91.

    [8]Liu Changling, Hu Xijing, Yuan Yonghua, et al.Whole-beam thermal blooming experiments with a long laser pulse[J].High Power Laser and Particle Beams.1993, 5 (3) :394-404.

    [9]Sun Zhongtao, Sun Xiaoquan, Zou Jiwei.Numerical analysis of thermal blooming induced by pulsed laser propagation in atmosphere[J].Infrared and Laser Engineering, 2007, 36 (2) :189-193.

    [10]Aitken A H, Hayes J N, Ulrich P B.Thermal blooming of pulsed focused Gaussian laser beams[J].Applied Optics, 1973, 12 (2) :193-197.

    [11]Buser R G, Rohde R S, Berger P J, et al.Transient thermal blooming of single and multiple short laser pulses[J].Applied Optics, 1975, 14 (11) :2740-2746.

    [12]Ageǐchik A A, Kotyaev O G, Rezunkov Y A, et al.Thermal blooming of repetitively-pulsed CO2-laser radiation propagating in the atmosphere[J].Journal of Optical Technology, 1999, 66 (11) :939-944.

    [13]Wallace J, Lilly J Q.Thermal blooming of repetitively pulsed laser beams[J].Journal of the Optical Society of America, 1974, 64 (12) :1651-1655.

    [14]Clifford S F, Gracheva M E, Gurvich A S.Laser beam propagation in the atmosphere[M].New York:SpringerVerlag, 1978:224-280.

    [15]Thomson J A.Stagnation and transonic effects in thermal blooming[J].Applied Optics, 1977, 16 (2) :355-366.

    [16]Smith D C.Thermal defocusing of CO2laser radiation in gases[J].IEEE on Quantum Electronics, 1969, 5 (12) :600-606.

    [17]Feng Xuan, Huang Yinbo, Fan Chengyu, et al.Numerical model for high energy laser indoor transmission[J].High Power Laser and Particle Beams, 2004, 16 (9) :1123-1126.

This Article

ISSN:0253-2239

CN: 31-1252/O4

Vol 37, No. 10, Pages 9-14

October 2017

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Article Outline

摘要

  • 1 引言
  • 2 序列长脉冲激光热晕效应的数学物理模型
  • 3 序列长脉冲激光大气传输定标规律
  • 4 结论
  • 参考文献