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Actively mode-locked Ho:LuAG laser at 2.1 μm

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Abstract

Actively mode-locked Ho:LuAG laser pumped by a 1.91-μm Tm3+ fiber laser was demonstrated. To our best knowledge, it was the first time to report an actively mode-locked Ho:LuAG laser. The maximum output power of 2.7 W at 2010.4 nm in continuous-wave mode-locked regime was obtained at the maximum incident pump power of 11.4 W. The mode-locked pulse width of 333.4 ps was obtained at a pulse repetition frequency of 82.48 MHz with the same incident pump power of 11.4 W, corresponding to single-pulse energy of 32.7 nJ. Furthermore, the M 2 factor of the Ho:LuAG laser was calculated to be 1.1.

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Acknowledgments

This work was supported by National Natural Science Foundation of China (No. 61308009, No. 61405047), China Postdoctoral Science Foundation funded project (No. 2013M540288, No. 2015M570290), Fundamental Research funds for the Central Universities Grant (No. HIT.NSRIF.2014044, No. HIT. NSRIF.2015042) and ScienceFund for Outstanding Youths of Heilongjiang Province (JQ201310), Heilongjiang Postdoctoral Science Foundation Funded Project (LBH-Z14085).

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Authors and Affiliations

  1. National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin, 150001, China

    Z. Cui, X. M. Duan, B. Q. Yao, H. Y. Yang, J. H. Yuan, C. L. Zhang & T. Y. Dai

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  1. Z. Cui
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  2. X. M. Duan
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  3. B. Q. Yao
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  7. T. Y. Dai
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Correspondence to B. Q. Yao.

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Cui, Z., Duan, X.M., Yao, B.Q. et al. Actively mode-locked Ho:LuAG laser at 2.1 μm. Appl. Phys. B 121, 421–424 (2015). https://doi.org/10.1007/s00340-015-6235-5

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  • DOI: https://doi.org/10.1007/s00340-015-6235-5

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