Yuchen Xue, Ruisong Zhang, Zhengdong Dai, Zhongyu Wang, Huiying Xu, Zhiping Cai. Watt-level acousto-optically Q-switched Pr:YLF laser at 639 nm[J]. Chinese Optics Letters, 2024, 22(1): 011402
- Chinese Optics Letters
- Vol. 22, Issue 1, 011402 (2024)
Fig. 1. (a) Photograph of the LD-pumped acousto-optically Q-switched Pr:YLF red laser. (b) Schematic of LD-pumped acousto-optically Q-switched Pr:YLF red laser.
Fig. 2. The coating curves of the IM and the OC.
Fig. 3. The continuous-wave (CW) output power versus the absorbed pump power for the wavelength at 639.5 nm.
Fig. 4. AO Q-switched average power and pulse width versus the absorbed pump power at different repetition rates of 10 kHz, 20 kHz, and 50 kHz.
Fig. 5. Single-pulse energy and peak power versus the absorbed pump power at different repetition rates of 10 kHz, 20 kHz, and 50 kHz.
Fig. 6. Numerical simulation results of the population inversion density and the photon density in the cavity at different repetition frequencies.
Fig. 7. Characteristics of pulse output at 10 kHz, 20 kHz, and 50 kHz. (a) Single-pulse profiles and (b) typical pulse trains.
Fig. 8. M2 factors in the x- and y-directions. The inset shows the profile of the output captured by a CCD camera.
Fig. 9. Stabilities of the AO Q-switched output power at different repetition rates.
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Table 1. Parameters and Their Values Used in Numerical Simulation
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Table 2. Actively Q -Switched Laser Results for 639 nm Based on the Pr:YLF Crystal
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