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用于高功率密度光束控制的光寻址光阀研制

陈一波 沈浩 段佳著 乔冉 曾建成 李大鹏 李玥颖 骆永全 王海峰 沈志学 赵祥杰 张大勇

陈一波, 沈浩, 段佳著, 等. 用于高功率密度光束控制的光寻址光阀研制[J]. 强激光与粒子束, 2023, 35: 041012. doi: 10.11884/HPLPB202335.220203
引用本文: 陈一波, 沈浩, 段佳著, 等. 用于高功率密度光束控制的光寻址光阀研制[J]. 强激光与粒子束, 2023, 35: 041012. doi: 10.11884/HPLPB202335.220203
Chen Yibo, Shen Hao, Duan Jiazhu, et al. Development of optically addressed liquid crystal light valve for high power density beam control[J]. High Power Laser and Particle Beams, 2023, 35: 041012. doi: 10.11884/HPLPB202335.220203
Citation: Chen Yibo, Shen Hao, Duan Jiazhu, et al. Development of optically addressed liquid crystal light valve for high power density beam control[J]. High Power Laser and Particle Beams, 2023, 35: 041012. doi: 10.11884/HPLPB202335.220203

用于高功率密度光束控制的光寻址光阀研制

doi: 10.11884/HPLPB202335.220203
详细信息
    作者简介:

    陈一波,ebby-chen@qq.com

    通讯作者:

    赵祥杰,zxjdouble@gmail.com

    张大勇,zdywxl874@sohu.com

  • 中图分类号: TN214

Development of optically addressed liquid crystal light valve for high power density beam control

  • 摘要: 为解决光寻址液晶光阀在高功率密度光束控制领域的应用限制,介绍一种可用于高功率密度激光系统的光寻址液晶光阀,该光阀开关比不低于140∶1,可在高于2300 W/cm2的连续激光系统中正常工作。同时,所研制的光阀可在高重频吉瓦(GW)级功率密度的fs脉冲激光系统中正常工作,在该系统最大功率密度激光作用下,光阀未见明显温度变化,该脉冲激光系统最大平均功率密度超过300 W/cm2
  • 图  1  光阀器件示意图

    Figure  1.  Schematic diagram of optically addressed liquid crystal light valve

    图  2  光寻址光阀的等效电路

    Figure  2.  Equivalent circuit of optically addressed liquid crystal light valve

    图  3  光照与未光照部分分压情况关系图

    Figure  3.  Voltage relationship between illuminated part and non-illuminated part

    图  4  工艺流程图

    Figure  4.  Process flow chart

    图  5  测试光路原理图

    Figure  5.  Schematic diagram of test optical path

    图  6  实验与模拟分压系数对比图

    Figure  6.  Comparison diagram of voltage coefficient between experiment and simulation

    图  7  光阀均匀性测试图

    Figure  7.  Uniformity test diagram of light valve

    图  8  光阀消光功能测试图

    Figure  8.  Extinction function test diagram of light valve

    图  9  高功率密度连续激光作用下的热成像图及温升曲线

    Figure  9.  Thermal imaging diagram and device temperature under the action of high power density continuous laser

    图  10  高功率密度激光作用引起温度变化对调制曲线的影响

    Figure  10.  Effect of temperature change on the modulation curve caused by the action of high power density laser

    图  11  高功率密度连续激光的图形化效果图

    Figure  11.  Graphical images of high power density CW laser

    图  12  不同波长下的吸收曲线

    Figure  12.  Absorption curves at different wavelengths

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    [2] Zola R S, Bisoyi H K, Wang Hao, et al. Dynamic control of light direction enabled by stimuli-responsive liquid crystal gratings[J]. Advanced Materials, 2019, 31: 1806172. doi: 10.1002/adma.201806172
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    [6] Huang Dajie, Fan Wei, Li Xuechun, et al. Beam shaping for 1 053-nm coherent light using optically addressed liquid crystal light valve[J]. Chinese Optics Letters, 2012, 10: S21406. doi: 10.3788/col201210.s21406
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出版历程
  • 收稿日期:  2022-06-17
  • 修回日期:  2022-10-30
  • 录用日期:  2023-01-03
  • 网络出版日期:  2023-01-14
  • 刊出日期:  2023-03-30

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