Fig. 1. Principle of OASLM and structure of OALCLV. 1053-nm read light is modulated by 470-nm write light

Fig. 2. Equivalent circuit of OALCLV, includingliquid crystal and BSO crystal

Fig. 3. RMS voltage on LC layer as functions of voltage frequency at different write light intensity values. Solid curves are simulated voltage values on liquid crystal layer corresponding to 0.8 gray level, and dashed curves are simulated voltage values on liquid crystal layer corresponding to 0 gray level, and dots are corresponding experimental results

Fig. 4. Principle of vertical polarization measurement

Fig. 5. Voltage waveform and phase fluctuation with 100 Hz driving voltage frequency. (a) Simulated shapes of voltage on OALCLV and LC layer; (b) phase modulation fluctuation with frequency of 200 Hz and fluctuation rate of 6%

Fig. 6. Setup for OASLM phase modulation experiment

Fig. 7. 200-Hz modulation fluctuation corresponds to OASLM at 100-Hz driving voltage frequency measured by oscilloscope

Fig. 8. Phase modulation fluctuation rate as a function of voltage frequency

Fig. 9. Measurement result of OASLM response time. (a) Waveform of output light; (b) waveform of write light

Fig. 10. Phase change curves and phase fluctuation rate of OASLM. (a) Phase change curves when voltage frequency increases from 100 Hz to 400 Hz. Solid curves are normal values of phase change, and dashed curves are fluctuation range; (b) phase fluctuation rate as a function of voltage frequency at maximum phase change. The inset is phase fluctuation rate details from voltage frequency of 300 Hz to 600 Hz

Fig. 11. Modulation results measured by oscilloscope corresponding to different voltage frequencies. (a) f=100 Hz;(b) f=200 Hz; (c) f=300 Hz; (d) f=400 Hz; (e) f=500 Hz; (f) f=600 Hz

Fig. 12. Correspondence between write light intensity and gray level under four kinds of write light intensity range. The inset is detailed intensity values corresponding to gray level values of 0-0.03

Fig. 13. Phase modulation curves and phase fluctuation rate when OASLM is at 400-Hz driving voltage frequency. (a) Phase change curves when OASLM is at four kinds of write light intensity range. Solid curves are normal values of phase change, and dashed curves are fluctuation range; (b) phase fluctuation rate as a function of write light intensity at maximum phase change