Journal of Applied Optics, Volume. 45, Issue 4, 709(2024)

Comparative experimental study on interference effect of medium wave infrared laser

Jun KOU*... Tong YUE, Jipeng ZHANG, Yifan YANG, Wenbing LIU, Yiguo LI, Jie PENG and Mao ZHANG |Show fewer author(s)
Author Affiliations
  • Southwest Institute of Technical Physics, Chengdu 610041, China
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    Figures & Tables(16)
    Schematic diagram of optical path of experiment on long-distance interference of infrared tracker
    Infrared tracker and video recording computer
    Mid-wave infrared laser and auxiliary aiming laser
    Laser power measuring device
    Comparison of interference effect of two lasers on large field of view
    Comparison of interference effect of two lasers on small field of view
    Curves of power density and cover area at large field of view
    Curves of power density and cover area at small field of view
    Comparison of interference effect when interference spot located in center of right half field of view
    Comparison of interference effect when interference spot located at edge of right half field of view
    Curves of power density and cover area when spot located in center of right half field of view
    Curves of power density and cover area when spot located at edge of right half field of view
    • Table 1. Laser power density of detector surface at distance of 15 km

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      Table 1. Laser power density of detector surface at distance of 15 km

      激光功率/W到达探测器的激光功率密度/( W/cm2
      大视场小视场
      10.00350.0315
      30.01050.0944
      50.01750.1573
      60.02100.1887
    • Table 2. Statistics of spot percentage and cover area of two kinds of laser interference images

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      Table 2. Statistics of spot percentage and cover area of two kinds of laser interference images

      视场功率 /W功率密度 /(W/cm2)1 kHz激光器15 kHz激光器
      光斑 百分比/%掩护 面积/m2光斑 百分比/%掩护 面积/m2
      大视场10.003 51.48.1E+041.81.1E+05
      30.010 53.82.2E+054.42.5E+05
      50.017 54.02.3E+058.65.0E+05
      60.0213.72.1E+059.55.4E+05
      小视场10.031 50.187.3E+022.18.5E+03
      30.094 40.31.2E+033.81.5E+04
      50.157 30.31.2E+034.41.8E+04
      60.188 70.41.6E+035.52.2E+04
    • Table 3. Statistics table of spot percentage and cover area when spot located in center of right half field of view

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      Table 3. Statistics table of spot percentage and cover area when spot located in center of right half field of view

      光斑位置功率 /W功率密度 /(W/cm21 kHz激光器15 kHz激光器
      光斑 百分比/%掩护 面积/m2光斑 百分比/%掩护 面积/m2
      右半边 视场中心10.031 50.251.01E+031.496.01E+03
      30.094 40.271.10E+032.018.15E+03
      50.157 30.451.83E+032.791.13E+04
      60.188 70.421.70E+034.181.70E+04
    • Table 4. Statistical table of spot percentage and cover area when spot located at edge of right half field of view

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      Table 4. Statistical table of spot percentage and cover area when spot located at edge of right half field of view

      光斑位置功率 /W功率密度 /(W/cm21 kHz激光器15 kHz激光器
      光斑 百分比/%掩护 面积/m2光斑 百分比/%掩护 面积/m2
      右半边视 场边缘10.031 51.566.3E+032.491.0E+04
      30.094 42.761.1E+044.181.7E+04
      50.157 32.681.1E+046.032.5E+04
      60.188 72.239.0E+038.853.6E+04
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    Jun KOU, Tong YUE, Jipeng ZHANG, Yifan YANG, Wenbing LIU, Yiguo LI, Jie PENG, Mao ZHANG. Comparative experimental study on interference effect of medium wave infrared laser[J]. Journal of Applied Optics, 2024, 45(4): 709

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    Paper Information

    Category: Research Articles

    Received: Sep. 21, 2023

    Accepted: --

    Published Online: Oct. 21, 2024

    The Author Email: KOU Jun (319996550@qq.com)

    DOI:10.5768/JAO202445.0401006

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