Dong Zhang, Qiao Lu, Wencai Li. Actively Q‑switched Fiber Laser with Smooth Pulse Based on Coupler Ring[J]. Chinese Journal of Lasers, 2024, 51(21): 2101002
- Chinese Journal of Lasers
- Vol. 51, Issue 21, 2101002 (2024)
Fig. 1. Structural diagram of actively Q-switched double-cladding fiber laser
Fig. 2. Performance of intensity modulator
Fig. 3. Pulse temporal characteristics. (a) Output pulse sequences under different pump powers at modulation frequency of 100 kHz;
Fig. 4. Schematic of evolution of rise time during initial signal passes through coupler ring. (a) Evolution process ; (b) physical model of coupler ring
Fig. 5. Output pulse characteristics at modulation frequency of 100 kHz. (a) Pulse width with output power versus pump power shown in inset; (b) output spectrum with signal-to-noise ratio shown in inset
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