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Diode-End-Pumped Narrow-Linewidth Tm:YLF Laser with a Volume Bragg Grating and Double Fabry–Pérot Etalons

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Journal of Russian Laser Research Aims and scope

Abstract

A 2 μm laser has important applications and prospects in various fields such as LIDAR, material processing, environmental monitoring, and space communication, as well as fundamental researches. Being designed for the room-temperature operation, our Tm:YLF laser with L flat concave resonator incorporates a laser-diode end-pump setup, in which a volume Bragg grating and double Fabry–Pérot etalons serve as a line-width limiting element. With an injection power of 49.58 W, a maximum output power of 17.78 W is achieved with a center wavelength of 1908.55 nm and a linewidth limited from 2 to 0.1 nm. A corresponding slope efficiency of 42.89% and an optical–optical conversion efficiency of 35.86% are obtained.

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Authors and Affiliations

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

    Zhou Guanlong, Hu Ruiyang, Liu Jingliang & Chen Xinyu

  2. Changchun Normal University, Changchun, Jilin, 130032, China

    Li Yue

Authors
  1. Zhou Guanlong
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  2. Li Yue
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  3. Hu Ruiyang
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  4. Liu Jingliang
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  5. Chen Xinyu
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Correspondence to Chen Xinyu.

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Guanlong, Z., Yue, L., Ruiyang, H. et al. Diode-End-Pumped Narrow-Linewidth Tm:YLF Laser with a Volume Bragg Grating and Double Fabry–Pérot Etalons. J Russ Laser Res 42, 171–174 (2021). https://doi.org/10.1007/s10946-021-09946-5

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  • DOI: https://doi.org/10.1007/s10946-021-09946-5

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