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Efficient High-Power Ho:YAG Laser Pumped by Dual-End-Diode-Pumped Tm:YLF Laser

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Journal of Russian Laser Research Aims and scope

Abstract

We report a Ho:YAG (Ho-doped yttrium aluminum garnet) laser pumped by a dual-end-diode-pumped Tm:YLF (Tm-doped yttrium lithium fluoride) laser to obtain an efficient experimental device with high output-power characteristics. We study the influence of the specific values of the output coupling mirror transmittance, the resonant cavity length, and the radius of curvature of the output coupling mirror on the Ho:YAG laser output characteristics. Under optimum experimental conditions, under which the output coupling mirror transmittance was 30%, the resonant cavity length was 25 mm and the output coupling mirror radius of curvature was 300 mm, and the maximum pumping power of the dual-end-diode-pumped Tm:YLF laser was 15.2 W. We obtain an efficient high-power 2.122-μm laser output of 7.98 W from the Ho:YAG laser. The optical-to-optical conversion efficiency is 52.5%, and the beam quality factor figures are M 2 x  = 2.89 and M 2 y  = 2.97.

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Authors and Affiliations

  1. Jilin Key Laboratory of Solid Laser Technology and Application School of Science, Changchun University of Science and Technology, Changchun, 130022, P.R. China

    Li Yue, Chen Xinyu, Bai Fang, Liu Jingliang, Huang Zhulong, Wu Chunting & Jin Guangyong

Authors
  1. Li Yue
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  2. Chen Xinyu
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  3. Bai Fang
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  4. Liu Jingliang
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  5. Huang Zhulong
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  6. Wu Chunting
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  7. Jin Guangyong
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Correspondence to Jin Guangyong.

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Yue, L., Xinyu, C., Fang, B. et al. Efficient High-Power Ho:YAG Laser Pumped by Dual-End-Diode-Pumped Tm:YLF Laser. J Russ Laser Res 37, 389–394 (2016). https://doi.org/10.1007/s10946-016-9586-4

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  • DOI: https://doi.org/10.1007/s10946-016-9586-4

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