Ye Zhou, Mingxing Jiao, Tianhong Lian, Junhong Xing, Yun Liu, Jianning Liu. Design and Experimental Investigation of Passively Q -Switched Two-Cavity Dual-Frequency Nd∶YAG Laser[J]. Chinese Journal of Lasers, 2018, 45(12): 1201008
- Chinese Journal of Lasers
- Vol. 45, Issue 12, 1201008 (2018)
Fig. 1. Passively Q-switched two-cavity dual-frequency Nd∶YAG laser
Fig. 2. Oscillation principle of dual-frequency laser. (a) Gain curve; (b) longitudinal frequency combs; (c) transmission curves of birefringent filter; (d) laser oscillation modes
Fig. 3. Relationship of repetition rate and pulse width with pump power
Fig. 4. Patterns of laser oscillation modes. (a) Linear cavity without Cr4+∶YAG crystal; (b) right angle cavity without Cr4+∶YAG crystal; (c) linear cavity with Cr4+∶YAG crystal; (d) right angle cavity with Cr4+∶YAG crystal
Fig. 5. Relationship between laser output power and rotary angle of HWP
Fig. 6. Relationship between average output power and pump power
Fig. 7. Stability of laser output power. (a) Linear cavity; (b) right angle cavity
Fig. 8. Passively Q-switched double cavity dual-frequency laser pulses at pump power of 2.7 W. (a) Pulse sequence of linear cavity; (b) pulse waveform of linear cavity; (c) pulse sequence of right angle cavity; (d) pulse waveform of right angle cavity
Fig. 9. Relationship between pulse repetition rate and pump power
Fig. 10. Relationship between pulse width and pump power
Fig. 11. Variation of stability of laser wavelength with time
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Table 1. Value of related parameters
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