Wei Wang, Di Sun, Xiao Du, Jie Guo, Xiaoyan Liang. High-power operation of double-pass pumped Nd:YVO4 thin disk laser[J]. High Power Laser Science and Engineering, 2020, 8(1): 01000e10
- High Power Laser Science and Engineering
- Vol. 8, Issue 1, 01000e10 (2020)
Fig. 1. Schematic of the gain media and heat sink.
Fig. 2. Schematic of the experimental setup.
Fig. 3. Output power and thin disk (TD) temperature versus absorbed pump power of (a) 1 at.% doped and (b) 0.5 at.% doped systems.
Fig. 4. Beam profiles of 1 at.% doped system at different absorbed pump powers: (a) 8.3 W, (b) 18.5 W, (c) 23.7 W, (d) 28.6 W and (e) 34.4 W.
Fig. 5. Beam profiles of 0.5 at.% doped system at different absorbed pump powers: (a) 9.1 W, (b) 18.5 W, (c) 24.4 W, (d) 28.8 W, (e) 34.7 W and (f) 38.8 W.
Fig. 6. Output beam quality. Near-field beam profile (upper left) and far-field beam profile (upper right).
Fig. 7. Two-dimensional temperature distributions of the undoped end face of the crystal at the maximum output power in simulations of (a) 1 at.% doped and (b) 0.5 at.% doped systems.
Fig. 8. Temperature distributions along with the undoped end face of (a) 1 at.% doped and (b) 0.5 at.% doped systems; the central axes of (c) 1 at.% doped and (d) 0.5 at.% doped systems.
Fig. 9. Thermal induced OPDs of (a) 1 at.% doped and (b) 0.5 at.% doped systems; equivalent radii of curvature fitting of (c) 1 at.% doped and (d) 0.5 at.% doped systems.
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