Abstract
In the paper, we prepare a lead zirconate titanate saturable absorber, which is used to demonstrate a passively $Q$-switched (PQS) Tm:YAP laser. In the PQS mode, an average output power of 0.81 W and pulse width of 1.69 µs at 175 kHz are obtained at 1991.9 nm with a pump power of 12.76 W, corresponding to an optical–optical conversion efficiency of 6.35%. In addition, the beam quality factors ${M^2}$ of the PQS Tm:YAP laser in the $x$ and $y$ directions are 1.17 and 1.15, respectively.
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Data Availability
Data underlying the results presented in this paper are available in Refs. [13,14,19–22,30,31].
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30. Y. F. Ma, H. Y. Sun, B. F. Ran, S. C. Zhang, H. Zhang, F. K. Tittel, and Z. W. Lv, “Passively Q-switched Tm:YAlO3 laser based on WS2/MoS2 two-dimensional nanosheets at 2 µm,” Opt. Laser Technol. 126, 106084 (2020). [CrossRef]
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