Xiaoyang Zang, Kewu Li, Zhibin Wang, Kunyu Li, Zhenkun Liang, Kun Liu. Study on Closed-Loop Stability Control of Fast Axis Adjustable Photoelastic Modulator[J]. Laser & Optoelectronics Progress, 2023, 60(7): 0726003
- Laser & Optoelectronics Progress
- Vol. 60, Issue 7, 0726003 (2023)
Fig. 1. Vibration model of PEM
Fig. 2. Structure diagram of FaaPEM
Fig. 3. Dynamic heat exchange model of PEM
Fig. 4. FaaPEM stabilization control system
Fig. 5. System diagram
Fig. 6. Sweep result diagram. (a) First piezoelectric actuator; (b) second piezoelectric actuator
Fig. 7. Amplitude of the phase delay varies with the driving voltage. (a) First piezoelectric actuator voltage regulation diagram; (b) second piezoelectric actuator voltage regulation diagram
Fig. 8. Phase difference scanning results
Fig. 9. Half wave state. (a) Driven by single piezoelectric actuator; (b) driven by dual piezoelectric actuators; (c) FaaPEM phase delay as a function of time; (d) curve of phase delay of FaaPEM without feedback as a function of time
Fig. 10. Quarter wave state. (a) Driven by single piezoelectric actuator; (b) driven by dual piezoelectric actuators; (c) FaaPEM phase delay as a function of time
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