Yunpeng Wang, Youlun Ju, Tongyu Dai, Dong Yan, Baoquan Yao. Single-frequency and free-running operation of a single-pass pulsed Ho:YLF amplifier[J]. High Power Laser Science and Engineering, 2020, 8(4): 04000e39
- High Power Laser Science and Engineering
- Vol. 8, Issue 4, 04000e39 (2020)
Fig. 1. Experimental setup of the single-frequency pulsed Ho:YLF ring laser and the single-pass amplifier.
Fig. 2. Output characters of the single-frequency pulsed Ho:YLF seed laser. (a) Output energy versus pump power; (b) pulse width and line width versus pump power.
Fig. 3. Output energy of the single-frequency Ho:YLF amplifier versus pump power.
Fig. 4. Energy stability of the Ho:YLF amplifier under free-running and single-frequency operation.
Fig. 5. Pulse build-up time of the Ho:YLF amplifier. (a) Under free-running operation; (b) under single-frequency operation.
Fig. 6. Temporal shapes and FFT curves for the Ho:YLF amplifier. (a) Free-running operation; (b) single-frequency operation.
Fig. 7. Laser properties of the single-frequency Ho:YLF amplifier. (a) Beating signals; (b) fast Fourier transform (FFT) spectrum of the beating signals.
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