Abstract
Efficient passively Q-switched laser operation of Yb:LaCa4O(BO3)3 crystal was realized at the long-wavelength region of 1071–1080 nm, with 2D Bi2Te3 topological insulator acting as saturable absorber. With an incident pump power of 6.89 W, 1.76 W of pulsed output power was generated at 140 kHz with a slope efficiency of 38%; the corresponding pulse energy, duration, and peak power were, respectively, 12.6 μJ, 288 ns, and 43.8 W.
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Li, Y., Liu, M., Chen, J. et al. Passively Q-switched laser action of Yb:LaCa4O(BO3)3 crystal at 1.07–1.08 μm induced by 2D Bi2Te3 topological insulator. Appl. Phys. B 125, 131 (2019). https://doi.org/10.1007/s00340-019-7246-4
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DOI: https://doi.org/10.1007/s00340-019-7246-4