Chinese Optics, Volume. 17, Issue 6, 1387(2024)

Tilt error’s characteristic analysis of dual liquid crystal polarization grating system

Yuan-xiang FANG1,2, Lun JIANG1,2、*, Hui-yi PEI1,2, Jin-jiang WANG1,2, Yong CUI1,2, and Jia-ming ZHANG1,2
Author Affiliations
  • 1School of Photoelectric Engineering, Changchun University of Science and Technology, Changchun 130022, China
  • 2Institute of Space Optoelectronic Technology, Changchun University of Science and Technology, Changchun 130022, China
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    Figures & Tables(16)
    Structral diagram of dLCPG under ideal state
    Schematic diagram of the grating equations in vector form
    Two types of tilt situations of a single grating
    The four types of tilting situations of dLCPG
    The optical structure of dLCPG
    The optical structure of dLCPG in situation 1
    The optical structure of dLCPG in situation 2
    The optical structure of dLCPG in situation 3
    The optical structure of dLCPG in situation 4
    Range of azimuth of zeroing error
    Range of pitch of zeroing error
    Range of rotation angle error of grating 1
    Range of rotation angle error of grating 2
    • Table 1. Verification results when the grating’s rotation angle is variable

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      Table 1. Verification results when the grating’s rotation angle is variable

      光栅1旋转角$ {\theta _1} $(°)光栅2旋转角$ {\theta _2} $(°)关系式(rad)仿真(rad)
      $ \varTheta $$ \varPhi $$ \varTheta $$ \varPhi $
      0000.087300.0873
      3005.52600.09595.52600.0959
      6004.90220.11594.90220.1159
      9004.39440.13804.39440.1380
      12003.95140.15633.95140.1563
      15003.54010.16803.54010.1680
      18003.14160.17203.14160.1720
      0300.55850.12420.55850.1242
      0600.63390.19190.63390.1919
      0900.53310.25690.53310.2569
      01200.37330.30860.37330.3086
      01500.19070.34150.19070.3415
      018000.352800.3528
    • Table 2. Verification results when the grating’s tilt angle is variable

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      Table 2. Verification results when the grating’s tilt angle is variable

      光栅1倾斜角$ {t_1} $(°)光栅2倾斜角$ {t_2} $(°)关系式(rad)仿真(rad)
      $ \varTheta $$ \varPhi $$ \varTheta $$ \varPhi $
      000.500040.220720.500040.22072
      100.499000.221010.499000.22101
      200.497840.221340.497840.22134
      300.496560.221700.496560.22170
      400.495150.222100.495150.22210
      500.493630.222540.493630.22254
      010.500070.220720.500070.22072
      020.500280.220730.500280.22073
      030.500650.220760.500650.22076
      040.501190.220800.501190.22080
      050.501900.220860.501900.22086
    • Table 3. Verification results when the pointing of the incident light beam is variable

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      Table 3. Verification results when the pointing of the incident light beam is variable

      入射光束指向方位角$ {\varTheta _0} $(°)入射光束指向俯仰角$ {\varPhi _0} $(°)关系式(rad)仿真(rad)
      $ \varTheta $$ \varPhi $$ \varTheta $$ \varPhi $
      4510.66390.15120.66390.1512
      9010.69080.13820.69080.1382
      13510.78070.13220.78070.1322
      18010.87050.13780.87050.1378
      22510.89660.15060.89660.1506
      27010.85590.16260.85590.1626
      31510.77940.16760.77940.1676
      36010.70350.16310.70350.1631
      010.70350.16310.70350.1631
      020.63870.17710.63870.1771
      030.58350.19180.58350.1918
      040.53630.20700.53630.2070
      050.49550.22270.49550.2227
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    Yuan-xiang FANG, Lun JIANG, Hui-yi PEI, Jin-jiang WANG, Yong CUI, Jia-ming ZHANG. Tilt error’s characteristic analysis of dual liquid crystal polarization grating system[J]. Chinese Optics, 2024, 17(6): 1387

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    Paper Information

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    Received: Mar. 1, 2024

    Accepted: Jul. 1, 2024

    Published Online: Jan. 14, 2025

    The Author Email:

    DOI:10.37188/CO.2024-0041

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