High Power Laser and Particle Beams, Volume. 33, Issue 11, 111004(2021)

Progress on intra-pulse difference frequency generation in femtosecond laser

Xuemei Yang... Kan Tian, Linzhen He, Weizhe Wang and Houkun Liang* |Show fewer author(s)
Author Affiliations
  • College of Electronics and Information Engineering, Sichuan University, Chengdu 610065, China
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    Figures & Tables(13)
    MIR generation and detection setup
    Mid-infrared generation based on OP-Gap
    Self-compression and MIR generation setup
    Schematic of the experimental setup for IPDFG
    IP-DFG based on quasi-phase matching
    Schematic experimental setup for IPDFG
    Schematic of the IP-DFG setup
    (a) Kerr-lens mode-locked Cr:ZnS oscillator and amplifiers, (b) Schematic of the MIR generation setup
    Schematic of experimental setup
    Schematic of the system layout adopted by Ugaitz Elu et al
    Schematic of the system layout adopted by Dauiel Lesko et al
    • Table 1. Comparison of different MIR nonlinear crystals

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      Table 1. Comparison of different MIR nonlinear crystals

      nonlinear crystaltransparency/μmnonlinear coefficient/(pm·V−1bandgap/eV
      KTA0.35~51.973.6
      LNO0.33~5.54.114.2
      BBO0.19~31.482.25
      AGS0.5~1313.72.7
      AGSe0.75~15581.77
      BGSe0.47~1824.32.64
      CSP0.5~985.42.45
      ZGP1.8~12702
      GaSe0.8~1470−902.1
      LGS0.32~11.65.93.76
      OP-GaAs0.9~17942.1
      OP-GaP0.57~12702.26
    • Table 2. The latest results of MIR laser pulses

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      Table 2. The latest results of MIR laser pulses

      pump wavelength/μmnonlinear crystalIP-DFG spectral span/μm conversion efficiencyreference
      1.03LGS8~110.037[10]
      1.57OP-GaP4~120.071[12]
      1.9GaSe5~200.13[13]
      2GaSe7.3~16.51.4[14]
      2ZnSe2.7~200.51[16]
      2.1AGSe7~110.8[17]
      2.5GaSe4.3~17.60.22[18]
      2.5ZGP5.8~12.53.3[18]
      1.9GaSe2.7~170.13[19]
      3GaSe6~13.25.3[20]
      3.2BGGSe0.34~402[21]
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    Xuemei Yang, Kan Tian, Linzhen He, Weizhe Wang, Houkun Liang. Progress on intra-pulse difference frequency generation in femtosecond laser[J]. High Power Laser and Particle Beams, 2021, 33(11): 111004

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    Paper Information

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    Received: Jun. 22, 2021

    Accepted: --

    Published Online: Dec. 1, 2021

    The Author Email: Liang Houkun (hkliang@scu.edu.cn)

    DOI:10.11884/HPLPB202133.210246

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