Man Hu, Zhao Quan, Jianhua Wang, Kai Liu, Xiaolong Chen, Chun Zhao, Yunfeng Qi, Bing He, Jun Zhou. Stimulated Brillouin scattering threshold dependent on temporal characteristics in a kilowatt-peak-power, single-frequency nanosecond pulsed fiber amplifier[J]. Chinese Optics Letters, 2016, 14(3): 031403
- Chinese Optics Letters
- Vol. 14, Issue 3, 031403 (2016)
Fig. 1. Experimental arrangement of the all-fiber single-frequency pulsed fiber amplifier.
Fig. 2. Spectra of the (a) CW laser and (b) intensity-modulated pulsed laser over an F–P interferometer.
Fig. 3. Backward spectra under different average output powers with repetition rates of (a) 5, (b) 10, and (c) 15 MHz.
Fig. 4. Backward Stokes average power versus average output pump power with repetition rates of 5, 10, and 15 MHz.
Fig. 5. Backward spectra under different average output powers with pulse durations of (a) 4, (b) 8, and (c) 10 ns.
Fig. 6. Backward Stokes average power versus average output pump power with repetition rates of 4, 8, and 10 ns.
Fig. 7. Typical pulse shapes of the amplified pulses with an average power of 70 W.
Fig. 8. Forward optical spectrum of the amplified pulsed laser with an average power of 70 W.
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