Abstract
We reported an acousto-optic mode-locked Tm:LuAG laser pumped by a 786 nm laser diode and realized continuous-wave mode-locked operation. At the pump power of 8.2 W, the output average power was 335 mW with the wavelength of 2023.2 nm. The pulse width was 240 ps at the pulse repetition frequency of 81.60 MHz, and the beam quality factor M2 was 1.04. The output wavelength was tuned from 2022.6 to 2025.3 nm, corresponding to the output average power of 310 to 353 mW. In addition, the self-mode-locking phenomenon was found.
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