Laser & Optoelectronics Progress, Volume. 58, Issue 7, 0723004(2021)

Research on Phase Characteristics of Liquid Crystal Spatial Light Modulator Based on Polarization Display

Yayun Ma1, Dong'e Zhao1,2、*, and Bin Zhang1
Author Affiliations
  • 1College of Information and Communication Engineering, North University of China, Taiyuan , Shanxi 030051, China
  • 2State Key Laboratory of Electronic Testing Technology, North University of China, Taiyuan , Shanxi 030051, China
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    Figures & Tables(10)
    Schematic of reflective LCSLM
    Vibration trajectory curves of elliptically polarized light and light intensity distribution through azimuthally polarization axis finder at different δ values. (a) 0; (b) π/6; (c) π/3; (d) π/2
    Schematic of experimental setup for measuring phase characteristic of LCSLM
    Flowchart of image processing
    Images at different angles. (a) 90°; (b) 82°; (c) 74°; (d) 66°; (e) 58°; (f) 50°
    Relationship between reflectivity and gray level of LCSLM
    Phase modulation characteristic curves of LCSLM
    Correspondence between driving gray value and input gray value
    Phase modulation curves corrected by inverse interpolation method
    • Table 1. Measurement results under different acquisition times

      View table

      Table 1. Measurement results under different acquisition times

      θT/(°)12345θM/(°)
      9089.8589.9590.1289.8189.8389.91
      8686.2186.0885.9985.9886.1386.08
      8282.0181.9881.8081.8281.9181.90
      7877.9877.9278.0477.8277.9377.94
      7474.1873.9574.1574.0774.1174.09
      7069.9570.0570.1170.0869.9470.03
      6666.0165.9565.8865.9165.8665.92
      6262.0862.0462.1261.9862.1162.07
      5858.0258.0457.9357.8957.9557.97
      5454.1154.0854.0654.1554.0254.08
      5050.0349.8649.9449.8949.8549.91
      4646.1646.2546.2846.2646.2846.25
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    Yayun Ma, Dong'e Zhao, Bin Zhang. Research on Phase Characteristics of Liquid Crystal Spatial Light Modulator Based on Polarization Display[J]. Laser & Optoelectronics Progress, 2021, 58(7): 0723004

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    Paper Information

    Category: Optical Devices

    Received: Aug. 13, 2020

    Accepted: Sep. 14, 2020

    Published Online: Apr. 25, 2021

    The Author Email: Zhao Dong'e (zhaodonge@nuc.edu.cn)

    DOI:10.3788/LOP202158.0723004

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