Nihui Zhang, Mingjie Yao, Wenqi Ge, Hongbo Zhang. Pulse Characteristics of Quasi Continuous-Wave Pumped Yb∶KYW/Cr4+∶YAG Q-Switched Laser[J]. Laser & Optoelectronics Progress, 2023, 60(7): 0714003
- Laser & Optoelectronics Progress
- Vol. 60, Issue 7, 0714003 (2023)
Fig. 1. Yb∶KYW energy level split diagram and energy level transition diagram of quasi-four-level system
Fig. 2. Cavity's design diagram of Yb∶KYW passively Q-switched laser
Fig. 3. Diagram of Q-switched pulse delay
Fig. 4. Influence of pump source on pulse delay
Fig. 5. Variations of pulse delay with (a) pump power (tp = 100,200,300 μs) and (b) pump pulse width (P = 15,20,25 W)
Fig. 6. Variation of (a) pulse delay and (b) pulse width with pump power
Fig. 7. Pulse build (a) waveform graph and (b) pulse width graph (
Fig. 8. (a) Energy stability within 30 min and (b) pulse establishment of Q-switched Yb∶KYW laser (
Fig. 9. Influence of pump source on pulse number
Fig. 10. Change of pulse number with pump power when
Fig. 11. (a) Comparison diagram of pulse delay experiment and simulation and (b) pulse waveform diagram (P = 15.6 W) of sub pulse
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Table 1. Value of related parameters
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