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Laser & Optoelectronics Progress, Volume. 55, Issue 12, 120006(2018)

Research Progress in High Power Ytterbium Doped Fiber Laser Oscillator

Yun Ye1,2,3, Xiaolin Wang1,2,3、*, Chen Shi1,2,3, Hanwei Zhang1,2,3, Xiaoming Xi1,2,3, Pu Zhou1,2,3, and Xiaojun Xu1,2,3、**
Author Affiliations
  • 1 College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha, Hunan 410073, China
  • 2 Hunan Provincial Key Laboratory of High Energy Laser Technology, Changsha, Hunan 410073, China
  • 3 Hunan Provincial Collaborative Innovation Center of High Power Fiber Laser, Changsha, Hunan 410073, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (15)
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    References (55)
    Cited By (4)
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    Figures & Tables(15)
    Experimental setup of 1.36 kW space-coupled fiber laser oscillator

    Fig. 1. Experimental setup of 1.36 kW space-coupled fiber laser oscillator

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    Experimental setup of 2.1 kW space-coupled fiber laser oscillator

    Fig. 2. Experimental setup of 2.1 kW space-coupled fiber laser oscillator

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    Schematic of 3 kW space-coupled fiber laser oscillator

    Fig. 3. Schematic of 3 kW space-coupled fiber laser oscillator

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    Experimental setup of 1.6 kW single-mode all-fiber laser oscillator

    Fig. 4. Experimental setup of 1.6 kW single-mode all-fiber laser oscillator

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    Schematic of the 20/400 μm double side pumped all-fiber laser oscillator

    Fig. 5. Schematic of the 20/400 μm double side pumped all-fiber laser oscillator

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    Output spectra. (a) 2.5 kW all-fiber laser oscillator; (b) 3 kW all-fiber laser oscillator

    Fig. 6. Output spectra. (a) 2.5 kW all-fiber laser oscillator; (b) 3 kW all-fiber laser oscillator

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    Schematic of the 25/400 μm double side pumped all-fiber laser oscillator

    Fig. 7. Schematic of the 25/400 μm double side pumped all-fiber laser oscillator

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    5.2 kW all-fiber laser oscillator. (a) Output spectra; (b) time domain and frequency domain profiles at the maximum output power

    Fig. 8. 5.2 kW all-fiber laser oscillator. (a) Output spectra; (b) time domain and frequency domain profiles at the maximum output power

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    Schematic of 5 kW all-fiber laser oscillator

    Fig. 9. Schematic of 5 kW all-fiber laser oscillator

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    Output performance of 5 kW all-fiber laser oscillator. (a) Output power versus launched pump power; (b) output spectra

    Fig. 10. Output performance of 5 kW all-fiber laser oscillator. (a) Output power versus launched pump power; (b) output spectra

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    Structure of side-coupled cladding pump fiber

    Fig. 11. Structure of side-coupled cladding pump fiber

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    Experimental setup and results of the cascaded side-pumped fiber laser oscillator. (a) Diagram of experimental setup; (b) output power versus pump power; (c) output spectrum

    Fig. 12. Experimental setup and results of the cascaded side-pumped fiber laser oscillator. (a) Diagram of experimental setup; (b) output power versus pump power; (c) output spectrum

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    (a) Structure of 3C fiber with 8 side cores; (b) cross section of a LPF

    Fig. 13. (a) Structure of 3C fiber with 8 side cores; (b) cross section of a LPF

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    Schematic of 2.6 kW narrowband laser amplifier with 3C fiber

    Fig. 14. Schematic of 2.6 kW narrowband laser amplifier with 3C fiber

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    • Table 1. Typical experimental results of high power all-fiber laser oscillators

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      Table 1. Typical experimental results of high power all-fiber laser oscillators

      YearInstitutionPower /kWPumping schemeFiberaReference
      2010CoreLase,Finland1975 nm bi-pump20 μm, 0.065 NA[9]
      2012Alfalight,USA1915 nm co-pump20 μm, 0.065 NA[26]
      2014NUDT,China1.5915 nm co-pump20 μm, 0.065 NA[27]
      2015TJU,China1.6976 nm co-pump20 μm, 0.065 NA[29]
      2015CoreLase,Finland2915 nm bi-pump20 μm, 0.065 NA[9]
      2016Fujikura,Japan2915 nm bi-pumpAeff 400 μm2, 0.07 NA[30]
      2016NUDT,China2.5976 nm bi-pump20 μm, 0.065 NA[31]
      2016NUDT,China3976 nm bi-pump20 μm, 0.065 NA[32]
      2017TJU,China2915 nm co-pump20 μm, 0.065 NA[33]
      2017SUSTech,China2976 nm bi-pump20 μm, 0.065 NA[34]
      2017Fujikura,Japan3915 nm bi-pumpAeff 400 μm2, 0.07 NA[35]
      2017NUDT,China4915 nm bi-pump25 μm, 0.065 NA[36]
      2018Fujikura,Japan5976 nm bi-pumpAeff 600 μm2[28]
      2018NUDT,China5.2915 nm bi-pump25 μm, 0.065 NA[37]
      aAeff represents the effective mode area of fiber.
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    Yun Ye, Xiaolin Wang, Chen Shi, Hanwei Zhang, Xiaoming Xi, Pu Zhou, Xiaojun Xu. Research Progress in High Power Ytterbium Doped Fiber Laser Oscillator[J]. Laser & Optoelectronics Progress, 2018, 55(12): 120006

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    Paper Information

    Category: Reviews

    Received: Jun. 1, 2018

    Accepted: Jul. 5, 2018

    Published Online: Aug. 1, 2019

    The Author Email: Xiaolin Wang (chinaphotonics@163.com), Xiaojun Xu (xuxj@21cn.com)

    DOI:10.3788/LOP55.120006

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology