Chinese Journal of Lasers, Volume. 50, Issue 22, 2201001(2023)

Joule-Level High Energy Mid-Infrared Solid FeZnSe Laser

Fei Xu1,2, Qikun Pan1、*, Yueru Zhang1,2, Yi Chen1, Deyang Yu1, Kuo Zhang1, Ranran Zhang1, Junjie Sun1, and Fei Chen1
Author Affiliations
  • 1State Key Laboratory of Laser Interaction with Matter, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, Jilin, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
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    Figures & Tables(4)
    Experimental apparatus and results of Fe∶ZnSe laser. (a) Schematic of experimental light path; (b) schematic of actual optical path; (c) transmittance curve of #2 crystal; (d) Fe∶ZnSe crystals
    Output characteristics of Fe∶ZnSe laser at 79 K. (a) Fe∶ZnSe laser output energy versus pump energy; (b) Fe∶ZnSe laser output energy versus absorption pump energy; time domain characteristics of pump light (top) and Fe∶ZnSe laser (bottom) when pulse widths are (c) 50 μs and (d) 300 μs; (e) data graph for Fig. 2(c); (f) time domain characteristics of first spike pulses of pump light and Fe∶ZnSe laser in Fig. 2(e)
    Output of laser under different temperatures. (a) Partial time domain waveform of Fe∶ZnSe laser at 150 K; (b) partial time domain waveform of Fe∶ZnSe laser at 273 K; (c) output energy of Fe∶ZnSe laser when pump energy is 430 mJ; (d) Fe∶ZnSe laser spectra
    • Table 1. Parameters of Fe∶ZnSe crystals

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      Table 1. Parameters of Fe∶ZnSe crystals

      Crystal No.

      Size /

      (mm×mm×mm)

      Doped concentration /(1018 cm-3Single absorptivity(A)/%(2.94 μm)

      Reflectivity(R)/%

      (2.94 μm)

      Total absorptivity(A0)/%(2.94 μm)
      #120×20×45.073.3217.2380.25
      #228×28×70.944.791.3968.89
      #328×28×74.578.2917.5681.54
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    Fei Xu, Qikun Pan, Yueru Zhang, Yi Chen, Deyang Yu, Kuo Zhang, Ranran Zhang, Junjie Sun, Fei Chen. Joule-Level High Energy Mid-Infrared Solid FeZnSe Laser[J]. Chinese Journal of Lasers, 2023, 50(22): 2201001

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    Paper Information

    Category: laser devices and laser physics

    Received: Nov. 24, 2022

    Accepted: Dec. 21, 2022

    Published Online: Nov. 1, 2023

    The Author Email: Pan Qikun (panqikun2005@163.com)

    DOI:10.3788/CJL221449

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