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
- Laser & Optoelectronics Progress
- Vol. 58, Issue 7, 0723004 (2021)
Fig. 1. Schematic of reflective LCSLM
Fig. 2. 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
Fig. 3. Schematic of experimental setup for measuring phase characteristic of LCSLM
Fig. 4. Flowchart of image processing
Fig. 5. Images at different angles. (a) 90°; (b) 82°; (c) 74°; (d) 66°; (e) 58°; (f) 50°
Fig. 6. Relationship between reflectivity and gray level of LCSLM
Fig. 7. Phase modulation characteristic curves of LCSLM
Fig. 8. Correspondence between driving gray value and input gray value
Fig. 9. Phase modulation curves corrected by inverse interpolation method
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Table 1. Measurement results under different acquisition times
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