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Infrared and Laser Engineering, Volume. 50, Issue 8, 20210336(2021)

LD pumped high-power mid-infrared solid state lasers based on 1.3at.%Er3+: CaF2 crystal (Invited)

Mengyu Zong1, Zhen Zhang2, Jingjing Liu1, Jie Liu1, and Liangbi Su2
Author Affiliations
  • 1Shandong Provincial Engineering and Technical Center of Light Manipulations & Shandong Provincial, Key Laboratory of Optics and Photonic Device, School of Physics and Electronics, Shandong Normal University, Jinan 250358, China
  • 2Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201899, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (6)
    Equations (3)
    References (26)
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    Figures & Tables(6)
    (a) Room temperature absorption coefficient and (b) fluorescence spectrum of 1.3at.% Er3+:CaF2

    Fig. 1. (a) Room temperature absorption coefficient and (b) fluorescence spectrum of 1.3at.% Er3+:CaF2

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    Schematic and experiment set up of the laser

    Fig. 2. Schematic and experiment set up of the laser

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    (a) Output power pumped by 973 nm LD, (b) laser spectrum pumped by 973 nm LD. (c) Output power pumped by 1532 nm LD, (d) laser spectrum pumped by 1532 nm LD

    Fig. 3. (a) Output power pumped by 973 nm LD, (b) laser spectrum pumped by 973 nm LD. (c) Output power pumped by 1532 nm LD, (d) laser spectrum pumped by 1532 nm LD

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    M2 values, insert: two-dimensional light intensity distribution

    Fig. 4. M2 values, insert: two-dimensional light intensity distribution

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    Energy level diagram of Er3+ ion

    Fig. 5. Energy level diagram of Er3+ ion

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    • Table 1. Summary of near 3 μm CW laser performance of LD pumped Er-doped fluoride crystals

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      Table 1. Summary of near 3 μm CW laser performance of LD pumped Er-doped fluoride crystals

      CrystalConcentration/at.%LD/nmOutput power/WYear
      Er:BaY2F820967 end pump0.251996[17]
      Er:YLF415970 end pump1.11996[18]
      Er:YLF415980 side pump42003[19]
      Er:SrF25970 end pump22006[20]
      Er:CaF24/8974 end pump0.282/0.1122016[7]
      Er:SrF23969 end pump1.32018[21]
      Er:CaF2-SrF23980 end pump1.412019[22]
      Er:CaF21.3973 end pump2.2Our work
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    Mengyu Zong, Zhen Zhang, Jingjing Liu, Jie Liu, Liangbi Su. LD pumped high-power mid-infrared solid state lasers based on 1.3at.%Er3+: CaF2 crystal (Invited)[J]. Infrared and Laser Engineering, 2021, 50(8): 20210336

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    Paper Information

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    Received: May. 26, 2021

    Accepted: --

    Published Online: Nov. 2, 2021

    The Author Email:

    DOI:10.3788/IRLA20210336

    Topics

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