Pengfei Wang, Mo Liu, Jiquan Zhang, Niannian Xu, Shunbin Wang. Watt-level ~3 μm laser in AlF3-based glass fiber[J]. High Power Laser and Particle Beams, 2021, 33(11): 111001
- High Power Laser and Particle Beams
- Vol. 33, Issue 11, 111001 (2021)
Fig. 1. Partial energy level diagrams of Ho3+ and Pr3+ and corresponding transitions related to ~3 µm laser
Fig. 2. Absorption spectrum of Ho3+/Pr3+ co-doped AlF3-based fiber
Fig. 3. Schematic of the experimental set-up
Fig. 4. Laser output power at λ ≈2. 87 μm as a function of absorbed pump power at λ ≈1.15 μm
Fig. 5. Temporal dependence of output power over a period of 45 min. The inset shows the experimental set-up
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