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Study on Pumping Technology of Thulium Doped Fiber Laser

Received: 21 December 2022     Published: 23 December 2022
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Abstract

Fiber laser is a small volume laser using rare earth doped fiber as laser medium. If the fiber laser can emit laser, it must be provided with a certain amount of energy by the outside world. The technology that provides energy for fiber lasers is laser pumping technology. With the continuous development of laser technology and laser devices, there is a growing demand for high power, high efficiency, high beam quality and compact lasers in various fields. Compared with traditional gas and solid state lasers, fiber laser has been developed rapidly because of its high efficiency, miniaturization, excellent beam quality and good heat dissipation performance. Laser pumping is a technology to obtain energy from external energy sources. In order for the fiber laser to output laser, the pump power that provides energy must be higher than the laser threshold of the laser. In order to obtain higher laser power, it is necessary to continuously increase the laser pump power. However, due to the structural characteristics of the optical fiber, the diameter of the optical fiber is usually very small. When the external pump power is relatively large, the optical fiber will generate higher temperature after absorbing energy, which will lead to the damage of the optical fiber. In order to improve the laser output power of the fiber without damaging the fiber material, various laser pumping methods have been developed. The appearance of double clad fiber is undoubtedly a breakthrough in the field of laser pumping, which makes the production of high power fiber lasers and high power optical amplifiers come true. The structure of optical fiber is analyzed, and various laser pumping modes are discussed. The simulation of laser pumping is carried out. The results show that the dual symmetric simultaneous pumping mode is a superior method.

Published in Journal of Electrical and Electronic Engineering (Volume 10, Issue 6)
DOI 10.11648/j.jeee.20221006.15
Page(s) 239-245
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2022. Published by Science Publishing Group

Keywords

Fiber Laser, Thulium Doped, Symmetrical Pumping, Inner Cladding, Outer Cladding

References
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Cite This Article
  • APA Style

    Huijuan Sun, Ning Zhang, Yansong Yang, Xiaodan Chen. (2022). Study on Pumping Technology of Thulium Doped Fiber Laser. Journal of Electrical and Electronic Engineering, 10(6), 239-245. https://doi.org/10.11648/j.jeee.20221006.15

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    ACS Style

    Huijuan Sun; Ning Zhang; Yansong Yang; Xiaodan Chen. Study on Pumping Technology of Thulium Doped Fiber Laser. J. Electr. Electron. Eng. 2022, 10(6), 239-245. doi: 10.11648/j.jeee.20221006.15

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    AMA Style

    Huijuan Sun, Ning Zhang, Yansong Yang, Xiaodan Chen. Study on Pumping Technology of Thulium Doped Fiber Laser. J Electr Electron Eng. 2022;10(6):239-245. doi: 10.11648/j.jeee.20221006.15

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  • @article{10.11648/j.jeee.20221006.15,
      author = {Huijuan Sun and Ning Zhang and Yansong Yang and Xiaodan Chen},
      title = {Study on Pumping Technology of Thulium Doped Fiber Laser},
      journal = {Journal of Electrical and Electronic Engineering},
      volume = {10},
      number = {6},
      pages = {239-245},
      doi = {10.11648/j.jeee.20221006.15},
      url = {https://doi.org/10.11648/j.jeee.20221006.15},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jeee.20221006.15},
      abstract = {Fiber laser is a small volume laser using rare earth doped fiber as laser medium. If the fiber laser can emit laser, it must be provided with a certain amount of energy by the outside world. The technology that provides energy for fiber lasers is laser pumping technology. With the continuous development of laser technology and laser devices, there is a growing demand for high power, high efficiency, high beam quality and compact lasers in various fields. Compared with traditional gas and solid state lasers, fiber laser has been developed rapidly because of its high efficiency, miniaturization, excellent beam quality and good heat dissipation performance. Laser pumping is a technology to obtain energy from external energy sources. In order for the fiber laser to output laser, the pump power that provides energy must be higher than the laser threshold of the laser. In order to obtain higher laser power, it is necessary to continuously increase the laser pump power. However, due to the structural characteristics of the optical fiber, the diameter of the optical fiber is usually very small. When the external pump power is relatively large, the optical fiber will generate higher temperature after absorbing energy, which will lead to the damage of the optical fiber. In order to improve the laser output power of the fiber without damaging the fiber material, various laser pumping methods have been developed. The appearance of double clad fiber is undoubtedly a breakthrough in the field of laser pumping, which makes the production of high power fiber lasers and high power optical amplifiers come true. The structure of optical fiber is analyzed, and various laser pumping modes are discussed. The simulation of laser pumping is carried out. The results show that the dual symmetric simultaneous pumping mode is a superior method.},
     year = {2022}
    }
    

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  • TY  - JOUR
    T1  - Study on Pumping Technology of Thulium Doped Fiber Laser
    AU  - Huijuan Sun
    AU  - Ning Zhang
    AU  - Yansong Yang
    AU  - Xiaodan Chen
    Y1  - 2022/12/23
    PY  - 2022
    N1  - https://doi.org/10.11648/j.jeee.20221006.15
    DO  - 10.11648/j.jeee.20221006.15
    T2  - Journal of Electrical and Electronic Engineering
    JF  - Journal of Electrical and Electronic Engineering
    JO  - Journal of Electrical and Electronic Engineering
    SP  - 239
    EP  - 245
    PB  - Science Publishing Group
    SN  - 2329-1605
    UR  - https://doi.org/10.11648/j.jeee.20221006.15
    AB  - Fiber laser is a small volume laser using rare earth doped fiber as laser medium. If the fiber laser can emit laser, it must be provided with a certain amount of energy by the outside world. The technology that provides energy for fiber lasers is laser pumping technology. With the continuous development of laser technology and laser devices, there is a growing demand for high power, high efficiency, high beam quality and compact lasers in various fields. Compared with traditional gas and solid state lasers, fiber laser has been developed rapidly because of its high efficiency, miniaturization, excellent beam quality and good heat dissipation performance. Laser pumping is a technology to obtain energy from external energy sources. In order for the fiber laser to output laser, the pump power that provides energy must be higher than the laser threshold of the laser. In order to obtain higher laser power, it is necessary to continuously increase the laser pump power. However, due to the structural characteristics of the optical fiber, the diameter of the optical fiber is usually very small. When the external pump power is relatively large, the optical fiber will generate higher temperature after absorbing energy, which will lead to the damage of the optical fiber. In order to improve the laser output power of the fiber without damaging the fiber material, various laser pumping methods have been developed. The appearance of double clad fiber is undoubtedly a breakthrough in the field of laser pumping, which makes the production of high power fiber lasers and high power optical amplifiers come true. The structure of optical fiber is analyzed, and various laser pumping modes are discussed. The simulation of laser pumping is carried out. The results show that the dual symmetric simultaneous pumping mode is a superior method.
    VL  - 10
    IS  - 6
    ER  - 

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Author Information
  • Institute of Fundamental and Interdisciplinary Sciences, Beijing Union University, Beijing, China

  • Smart City College, Beijing Union University, Beijing, China

  • Smart City College, Beijing Union University, Beijing, China

  • Smart City College, Beijing Union University, Beijing, China

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