CHEN Zhi-bin, LIU Yu-xiang, XUE Ming-xi, HOU Zhang-ya, LIU Bao-hua. Laser spot acquisition by lattice up-conversion board[J]. Journal of Applied Optics, 2011, 32(6): 1139-1144.
Citation: CHEN Zhi-bin, LIU Yu-xiang, XUE Ming-xi, HOU Zhang-ya, LIU Bao-hua. Laser spot acquisition by lattice up-conversion board[J]. Journal of Applied Optics, 2011, 32(6): 1139-1144.
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Laser spot acquisition by lattice up-conversion board

  • Ordnance Institute of Technology,Ordnance Engineering College,Shijiazhuang 050000,China

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  • Up-conversion board fitted on the lens could enhance the efficiency of CCD acquisition for low-frequency narrow-pulse laser spot because it is capable of changing infrared light into visible light. The up-conversion board made by traditional craft causes internal diffuse reflection and partial saturation effect which leads to the distortion of laser spot shape and intensity distribution. We put forward a new craft called lattice up-conversion board technique, and designed an experiment to compare the photographs acquired by the two crafts. The experimental results show that the lattice up-conversion board has better acquisition on low-frequency narrow- pulse laser spot. In order to evaluate the photographs of the laser spot acquired by lattice up-conversion board, a corresponding model is established.
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  • ［1］范文慧，赵卫，高雄健，等.CaS:Eu,Sm薄膜的红外上转换发光效率［J］.中国激光，2000，27（3）：258-263.
    FAN Wen-hui, ZHAO Wei,GAO Xiong-jian, et al. Infrared up-conversion efficiency of electron-trapping thin film CaS:Eu,Sm［J］.Chinese J. Lasers, 2000，27（3）：258-263.(in Chinese with an English abstract)
    ［2］张希艳，刘全生，王晓春，等.红外上转换材料CaS:Eu,Sm的制备［J］.红外与毫米波学报，2005，24（4）：301-303.
    ZHANG Xi-yan, LIU Quan-sheng, WANG Xiao-sheng, et al. Preparation of infrared up-conversion material CaS:Eu,Sm［J］.J. Infrared Millim Waves, 2005，24（4）：301-303. (in Chinese with an English abstract)
    ［3］范文慧，侯洵，王永昌,等.电子俘获型红外上转换屏［J］.发光学报，1998，19（4）：317-321.
    FAN Wen-hui, HOU Xun, WANG Yong-chang, et al.Infrared up-conversion screen based on electron trapping material［J］.Chinese Journal of Luminescence, 1998，19（4）：317-321. (in Chinese with an English abstract)
    ［4］CHEN Zhi-bin,XUE Ming-xi,LI Yi-zhao,et al. Research on testing method of low-frequency and narrow impulse laser spot based on upconversion lightening technic［C］. ISTM，2009，4：2321-2324.
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