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An Efficient Diode-Pumped Acousto-Optically Q-Switched Ho :YVO4 Laser

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Journal of Russian Laser Research Aims and scope

Abstract

We demonstrate the continuous-wave and acousto-optically Q-switching performance of Ho :YVO4 laser with the diode-pumping structure. A fiber-coupled laser diode at 1.91 μm is employed as the pump source. In the continuous-wave operation, a maximum output power of 4.11 W at 2053.2 nm is achieved at an absorbed pump power of 20.4 W, corresponding to a slope efficiency of 37.6% with respect to the absorbed pump power. In the Q-switching regime, a maximum pulse energy of 1.49 mJ at absorbed pump power of 20.4 W is obtained with a pulse repetition frequency of 2 kHz. We achieve simultaneously the minimum pulse width equal to 11.9 ns and the peak power equal to 125.5 kW.

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Authors and Affiliations

  1. Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education??, School of Physics and Electronic Engineering, Harbin Normal University, Harbin, 150025, China

    Wensheng Zhang, Linjun Li & Sheng Zhou

Authors
  1. Wensheng Zhang
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  2. Linjun Li
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  3. Sheng Zhou
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Correspondence to Linjun Li.

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Zhang, W., Li, L. & Zhou, S. An Efficient Diode-Pumped Acousto-Optically Q-Switched Ho :YVO4 Laser. J Russ Laser Res 44, 56–60 (2023). https://doi.org/10.1007/s10946-023-10107-z

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  • DOI: https://doi.org/10.1007/s10946-023-10107-z

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