Abstract

The simultaneous and output-balanced orthogonally polarized dual-wavelength actively Q-switched Ho:YLF laser at 2063 nm and 2065 nm was realized for the first time. In the continuous wave orthogonally polarized dual-wavelength operation, the total maximum output power of 4.6 W was achieved. In the actively Q-switching orthogonally polarized dual-wavelength operation, at the pulse repetition frequency of 5 kHz, the total maximum average output power, pulse energy, and peak power were 2.37 W, 0.47mJ, and 4.32 kW, respectively. As far as we know, this is the first simultaneous orthogonally polarized dual-wavelength actively Q-switched 2 μm Ho-doped solid-state laser.

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