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Photonics Research, Volume. 6, Issue 8, 762(2018)

Bismuth nanosheets as a Q-switcher for a mid-infrared erbium-doped SrF2 laser

Jingjing Liu1, Hao Huang2, Feng Zhang2, Zhen Zhang3, Jie Liu1,4、*, Han Zhang2,6, and Liangbi Su3,5,7
Author Affiliations
  • 1Shandong Provincial Key Laboratory of Optics and Photonic Devices, School of Physics and Electronics, Shandong Normal University, Jinan 250014, China
  • 2SZU-NUS Collaborative Innovation Centre for Optoelectronic Science & Technology, and Key Laboratory of Optoelectronic Devices and Systems of the Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
  • 3CAS Key Laboratory of Transparent and Opto-Functional Inorganic Materials, Synthetic Single Crystal Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201899, China
  • 4Institute of Data Science and Technology, Shandong Normal University, Jinan 250014, China
  • 5State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Chinese Academy of Sciences, Shanghai Institute of Ceramics, Shanghai 201899, China
  • 6e-mail: hzhang@szu.edu.cn
  • 7e-mail: suliangbi@mail.sic.ac.cn
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    (a) HRTEM image, (b) Raman spectrum, (c) AFM image of the bismuth nanosheets, and (d) typical height profiles.

    Fig. 1. (a) HRTEM image, (b) Raman spectrum, (c) AFM image of the bismuth nanosheets, and (d) typical height profiles.

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    Nonlinear transmission of Bi-NSs SA.

    Fig. 2. Nonlinear transmission of Bi-NSs SA.

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    Schematic of the passively Q-switched Er3+:SrF2 laser with a Bi-NSs SA.

    Fig. 3. Schematic of the passively Q-switched Er3+:SrF2 laser with a Bi-NSs SA.

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    CW output power versus the absorbed pump power for different OC transmissions.

    Fig. 4. CW output power versus the absorbed pump power for different OC transmissions.

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    Q-switched output power versus the absorbed pump power for different OC transmissions. Inset (a) shows the maximum output power versus time.

    Fig. 5. Q-switched output power versus the absorbed pump power for different OC transmissions. Inset (a) shows the maximum output power versus time.

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    (a) Laser beam profile and (b) 3D light intensity distribution recorded at the maximum output power for the Q-switched laser.

    Fig. 6. (a) Laser beam profile and (b) 3D light intensity distribution recorded at the maximum output power for the Q-switched laser.

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    (a) Pulse repetition rate, (b) pulse duration, (c) single-pulse energy, and (d) peak power versus the absorbed pump power for different OC transmissions.

    Fig. 7. (a) Pulse repetition rate, (b) pulse duration, (c) single-pulse energy, and (d) peak power versus the absorbed pump power for different OC transmissions.

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    Q-switched pulse trains recorded at 2 and 400 μs/div, under an absorbed pump power of 1.97 W for the OC transmission of 3%.

    Fig. 8. Q-switched pulse trains recorded at 2 and 400 μs/div, under an absorbed pump power of 1.97 W for the OC transmission of 3%.

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    Optical spectra recorded in the CW regime and Q-switched regime for OC transmission of 3%.

    Fig. 9. Optical spectra recorded in the CW regime and Q-switched regime for OC transmission of 3%.

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    • Table 1. Experimental Results Achieved under Different OC Mirrors

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      Table 1. Experimental Results Achieved under Different OC Mirrors

      OC TransmissionMax. Output Power (mW)Repetition Rate (kHz)Pulse Width (ns)Single-Pulse Energy (μJ)Peak Power (W)Wavelength (nm)
      1%16239.111704.143.542799.1
      3%22656.29804.024.102730.5+2752.2
      5%20547.612374.303.482732.6+2737.0
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    Jingjing Liu, Hao Huang, Feng Zhang, Zhen Zhang, Jie Liu, Han Zhang, Liangbi Su. Bismuth nanosheets as a Q-switcher for a mid-infrared erbium-doped SrF2 laser[J]. Photonics Research, 2018, 6(8): 762

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Apr. 6, 2018

    Accepted: May. 26, 2018

    Published Online: Aug. 1, 2018

    The Author Email: Jie Liu (jieliu@sdnu.edu.cn)

    DOI:10.1364/PRJ.6.000762

    Topics

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