Lisha Wang, Songsong Sun, Wei Yan, Jiaojiao Qu, Yong Wang. L-band switchable dual-wavelength, high-energy pulsed fiber laser[J]. Infrared and Laser Engineering, 2021, 50(7): 20200370
- Infrared and Laser Engineering
- Vol. 50, Issue 7, 20200370 (2021)
Fig. 1. Schematic of the MOPA system
Fig. 2. Closed loop control system of seed laser
Fig. 3. Seed laser linewidth measurement
Fig. 4. A typical 309 ns Gaussian pulse with AOM modulation signal (the inset)
Fig. 5. Schematic diagram of longitudinal gradient strain distribution on gain fiber
Fig. 6. Output power vs pump current
Fig. 7. Optical spectrum of the output pulse
Fig. 8. Physical drawing of laser
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Table 1. Specification of pulsed fiber laser
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