Dalu ZHANG, Yiwen LI, Chen YAN, Haiyong WU, Rugang WANG, Mengmeng CHEN. Design of Temperature Control System for Butterfly Semiconductor Laser Based on Improved PSO[J]. Optoelectronic Technology, 2024, 44(2): 133
- Optoelectronic Technology
- Vol. 44, Issue 2, 133 (2024)
Fig. 1. Temperature control system block diagram of butterfly semiconductor laser
Fig. 2. Schematic of TEC drive circuit
Fig. 3. Working principle of TEC
Fig. 4. PSO algorithm flow chart
Fig. 5. Simulation model of temperature control system
Fig. 6. Traditional PID optimization curve
Fig. 7. PSO optimization curve
Fig. 8. Improved PSO optimization curve
Fig. 9. Simulation waveform of temperature control system model
Fig. 10. PID parameter optimization curve
Fig. 11. Photo of butterfly semiconductor laser driver circuit
Fig. 12. Traditional PID temperature stability curve
Fig. 13. PSO temperature stability curve
Fig. 14. Improved PSO temperature stability curve
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