Tian Han, Yulin Zhang, Cunxiao Miao, Jianfeng Liu, Shuai Xue. Anti-interference temperature control for VCSEL laser[J]. Infrared and Laser Engineering, 2020, 49(7): 20190461
- Infrared and Laser Engineering
- Vol. 49, Issue 7, 20190461 (2020)
Fig. 1. Structure diagram of laser temperature control model
Fig. 2. Estimation result of laser temperature control system model
Fig. 3. Laser control circuit for SERF magnetometer
Fig. 4. Drive circuit of AC temperature control
Fig. 5. Filter for AC detection signal
Fig. 6. Demodulation flowchart of DPSD method for AC bridge
Fig. 7. Equivalent block diagram of disturbance observer
Fig. 8. Equivalent block diagram of IMC
Fig. 9. Simulation of temperature control
Fig. 10. Experimental verification of IMC+DOB method
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