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高低温试验装置中多光谱光学窗口组件设计

惠刚阳 张博 左晓舟 王中强 刘欣 赵红军

惠刚阳, 张博, 左晓舟, 王中强, 刘欣, 赵红军. 高低温试验装置中多光谱光学窗口组件设计[J]. 应用光学.
引用本文: 惠刚阳, 张博, 左晓舟, 王中强, 刘欣, 赵红军. 高低温试验装置中多光谱光学窗口组件设计[J]. 应用光学.
XI Gangyang, ZHANG Bo, ZUO Xiaozhou, WANG Zhongqiang, LIU Xin, ZHAO Hongjun. Design of multispectral optical window assembly for high and low temperature test device[J]. Journal of Applied Optics.
Citation: XI Gangyang, ZHANG Bo, ZUO Xiaozhou, WANG Zhongqiang, LIU Xin, ZHAO Hongjun. Design of multispectral optical window assembly for high and low temperature test device[J]. Journal of Applied Optics.

高低温试验装置中多光谱光学窗口组件设计

基金项目: 军工双百工艺攻关(多波段共光路光学系统精密装调技术,JCKY2018208B029)
详细信息
    作者简介:

    惠刚阳(1978—),男,高级工程师,主要从事光电仪器装调工艺研究。E-mail:hgy891@163.com

  • 中图分类号: TN202

Design of multispectral optical window assembly for high and low temperature test device

  • 摘要: 箱外光电系统综合检测仪是光电成像系统高低温性能检测装置的重要组成部分,多光谱光学窗口是高低温箱和外置目标模拟器的接口。该文根据应用需求及材料分析结果,选取多光谱ZnS作为光学窗口材料,通过热传导理论对光学窗口组件低温使用状态进行分析,重点分析窗口组件在低温条件下加热对窗口组件面型的影响,并提出了实现微应力装配的结构形式及解决窗口组件在低温条件下结霜结雾的设计方案;通过sigfit对有限元计算结果进行提取、处理以及数据拟合,并通过CODE V分析口径为Φ310 mm窗口组件在使用温度范围内的波像差rms,分析结果显示优于λ/15,均满足窗口组件的光学性能要求,最后通过实物样机进行了验证。实验结果表明:该多光谱光学窗口组件的结构设计方案既满足多波段使用要求,又满足低温除霜除雾要求,同时保证了高低温条件下的光学性能要求。
  • 图  1  光电系统高低温试验装置布局示意图

    Fig.  1  Sketch map of high and low temperature test device for photoelectric system

    图  2  光学窗口组件结构简图

    Fig.  2  structural diagram of optical window assembly

    图  3  有限元计算结果

    Fig.  3  calculation results of ansys

    图  4  视场图-RMS波前误差

    Fig.  4  field of view - RMS wavefront error

    图  5  大口径平面干涉仪测试光学窗口组件透射波像差

    Fig.  5  Measurement diagram of transmitted wave aberration of optical window assembly

    图  6  光学窗口组件透射波像差测试图

    Fig.  6  measurement diagram of transmitted wave aberration of optical window assembly

    表  1  光学窗口组件材料参数表

    Table  1  material parameters of optical window assembly

    序号材料弹性模
    量/GPa
    泊松比密度/
    g/cm3
    热膨胀系数
    10−6/K
    168.20.3322.6823.6
    2114.00.344.438.8
    3硫化锌74.50.294.084.6
    4聚四氟乙烯14.00.402.20120.0
    下载: 导出CSV

    表  2  刚体位移数据表

    Table  2  rigid body displacement data

    SIDLIDT1/mmT2/mmT3/mmR1/radR2/radR3/rad
    11−1.92E-02−7.26E-031.57E-016.20E-05−1.47E-04−2.64E-07
    12−1.37E-02−5.18E-031.12E-014.42E-05−1.05E-04−1.87E-07
    13−8.21E-03−3.09E-036.72E-022.65E-05−6.30E-05−1.09E-07
    14−2.74E-03−1.01E-032.24E-028.75E-06−2.10E-05−3.17E-08
    152.74E-031.08E-03−2.24E-02−8.99E-062.10E-054.56E-08
    168.21E-033.16E-03−6.72E-02−2.67E-056.30E-051.23E-07
    171.37E-025.25E-03−1.12E-01−4.45E-051.05E-042.00E-07
    21−2.11E-02−8.09E-031.52E-016.43E-05−1.53E-04−2.49E-07
    22−1.51E-02−5.77E-031.08E-014.59E-05−1.09E-04−1.76E-07
    23−9.05E-03−3.45E-036.50E-022.75E-05−6.55E-05−1.03E-07
    24−3.02E-03−1.13E-032.17E-029.08E-06−2.18E-05−2.96E-08
    253.02E-031.20E-03−2.17E-02−9.33E-062.18E-054.35E-08
    269.05E-033.52E-03−6.50E-02−2.77E-056.55E-051.17E-07
    271.51E-025.84E-03−1.08E-01−4.61E-051.09E-041.90E-07
    312.18E-02−2.79E-02−2.72E-01−3.49E-04−3.81E-04−5.35E-06
    321.56E-02−1.99E-02−1.94E-01−2.50E-04−2.72E-04−3.82E-06
    339.36E-03−1.19E-02−1.17E-01−1.50E-04−1.63E-04−2.29E-06
    343.12E-03−3.95E-03−3.89E-02−4.99E-05−5.44E-05−7.56E-07
    35−3.12E-034.03E-033.89E-024.99E-055.44E-057.73E-07
    36−9.36E-031.20E-021.17E-011.50E-041.63E-042.30E-06
    37−1.56E-022.00E-021.94E-012.49E-042.72E-043.83E-06
    411.77E-02−2.42E-02−2.71E-01−3.40E-04−3.72E-04−5.46E-06
    421.26E-02−1.73E-02−1.93E-01−2.43E-04−2.65E-04−3.90E-06
    437.58E-03−1.04E-02−1.16E-01−1.46E-04−1.59E-04−2.34E-06
    442.53E-03−3.43E-03−3.87E-02−4.86E-05−5.31E-05−7.73E-07
    45−2.53E-033.51E-033.87E-024.86E-055.31E-057.90E-07
    46−7.58E-031.04E-021.16E-011.46E-041.59E-042.35E-06
    47−1.26E-021.74E-021.93E-012.43E-042.65E-043.92E-06
    下载: 导出CSV

    表  3  面型变化数据表

    Table  3  optical surface deformation data mm

    SIDLIDdRoCRMSP-VMaxMin
    111.69E+052.09E-028.66E-025.03E-02−3.64E-02
    122.37E+051.49E-026.19E-023.59E-02−2.60E-02
    133.95E+058.96E-033.71E-022.15E-02−1.56E-02
    141.19E+062.99E-031.24E-027.17E-03−5.19E-03
    15−1.19E+062.99E-031.24E-025.20E-03−7.19E-03
    16−3.95E+058.96E-033.71E-021.56E-02−2.15E-02
    17−2.37E+051.49E-026.19E-022.60E-02−3.59E-02
    211.68E+052.11E-028.84E-025.20E-02−3.64E-02
    222.35E+051.51E-026.31E-023.71E-02−2.60E-02
    233.92E+059.04E-033.79E-022.23E-02−1.56E-02
    241.18E+063.01E-031.26E-027.42E-03−5.20E-03
    25−1.18E+063.01E-031.26E-025.20E-03−7.43E-03
    26−3.92E+059.04E-033.79E-021.56E-02−2.23E-02
    27−2.35E+051.51E-026.32E-022.60E-02−3.72E-02
    31−1.44E+062.20E-021.12E-016.41E-02−4.81E-02
    32−2.01E+061.57E-028.01E-024.58E-02−3.44E-02
    33−3.35E+069.43E-034.81E-022.75E-02−2.06E-02
    34−1.01E+073.14E-031.60E-029.15E-03−6.87E-03
    351.00E+073.14E-031.60E-026.87E-03−9.15E-03
    363.35E+069.43E-034.81E-022.06E-02−2.75E-02
    372.01E+061.57E-028.01E-023.44E-02−4.58E-02
    41−1.47E+062.22E-021.15E-016.92E-02−4.60E-02
    42−2.06E+061.58E-028.23E-024.94E-02−3.29E-02
    43−3.43E+069.50E-034.94E-022.96E-02−1.97E-02
    44−1.03E+073.17E-031.65E-029.88E-03−6.58E-03
    451.03E+073.17E-031.65E-026.58E-03−9.88E-03
    463.43E+069.50E-034.94E-021.97E-02−2.96E-02
    472.06E+061.58E-028.23E-023.29E-02−4.94E-02
    下载: 导出CSV

    表  4  RMS波前误差(λ=632.8 nm)

    Table  4  RMS wavefront error (λ= 632.8 nm)

    温度/℃ RMS波前
    最小值/λ
    RMS波前
    最大值/λ
    RMS波前
    平均值/λ
    −50 0.037 890 0.037 890 0.0378 90
    −30 0.036 957 0.036 958 0.036 957
    −10 0.020 315 0.020 315 0.020 315
    10 0.006 990 0.006 990 0.006 990
    30 0.007 769 0.007 769 0.007 769
    50 0.020 433 0.020 433 0.020 433
    70 0.037 285 0.037 285 0.037 285
    下载: 导出CSV

    表  5  光学窗口组件透射波像差测试结果

    Table  5  test results of transmitted wave aberration of optical window assembly

    参数 1 2 3
    PV/λ 0.210 0.169 0.187
    RMS/λ 0.042 0.033 0.035
    下载: 导出CSV

    表  6  光学窗口组件实际工作状态透射波像差测试结果

    Table  6  data table of transmitted wave aberration test results of optical window assembly in actual working state

    参数 1 2 3
    PV(λ) 0.220 0.212 0.233
    RMS(λ) 0.056 0.062 0.065
    下载: 导出CSV
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  • 收稿日期:  2022-05-18
  • 修回日期:  2022-07-20
  • 网络出版日期:  2022-09-19

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