Chinese Journal of Lasers, Volume. 45, Issue 4, 401011(2018)

Influence of Wavefront Distortion on Spatial-Temporal Property of Laser Pulse Output by Grating Compressor

Zhang Sen1,2, Zhang Junwei2、*, Zhou Yi1, Wang Xiao2, Deng Bo2, Su Jingqin2, and Hu Dongxia2
Author Affiliations
  • 1[in Chinese]
  • 2[in Chinese]
  • show less
    Figures & Tables(11)
    Schematic diagram of two-pass two-grating compressor
    Schematic of aperture function of different frequencies light on the plane of lens. (a) ωω0
    Optical phase distribution of input pulse and far-field spatial-temporal distribution of output pulse. (a) Ideal plane wavefront; (b) ideal far-field spatial-temporal distribution; (c) random wavefront distortion; (d) far-field spatial-temporal distribution of wavefront distortion as shown in Fig. 3(c)
    Relationship between the wavefront distortion of input laser pulse and SR of compressor
    Influences of grating diffraction plane deformation on output pulse. (a) Deformation of grating diffraction plane; (b) far-field spatial-temporal distribution; (c) time distribution of the dotted line of Fig.5(b)
    (a) Spectral phase changes versus spatial position across the grating groove direction for different frequencies light caused by grating deformation; (b) group delay across the grating groove direction; (c) relationship between the PV of grating deformation and the output performance of compressor
    Wave aberrations and far-field spatial-temporal distributions of pulse. (a) Spherical; (b) far-field spatial-temporal distribution of spherical; (c) coma; (d) far-field spatial-temporal distribution of coma; (e) astigmatism; (f) far-field spatial-temporal distribution of astigmatism
    Spectral phase changes versus spatial position across the grating groove direction for different frequencies light caused by wave aberrations. (a) Spherical; (b) coma; (c) astigmatism; (d) group delay across the grating groove direction caused by wave aberrations
    Relationships between the wave aberrations of grating and the property of compressor output. (a) Spherical; (b) coma; (c) astigmatism
    • Table 1. Simulation parameters of compressor

      View table

      Table 1. Simulation parameters of compressor

      Parameter of parallel grating pair compressorParameter of input pulse
      Grating period /(groove·mm-1)1740Central frequency /nm1053
      Incident angle α /(°)70Spectral bandwidth /nm3
      Perpendicularity distance L /m1.86Chirp ratio ΔtΔλ /(ps·nm-1)400
      Grating aperture /(mm×mm)400×200Beam aperture /(mm×mm)120×120
      Focal distance f /m0.8--
    • Table 2. Error tolerances for different goals

      View table

      Table 2. Error tolerances for different goals

      GoalError tolerance of wavefrontdistortion of input laser pulseError tolerance ofgrating deformationError tolerance of grating wave aberration
      PV /λRMS /λPV /λPV ofspherical /λPV ofcoma /λPV ofastigmatism /λ
      SR>0.90.260.0620.2480.330.950.27
      R<10%--0.2620.44-0.16
    Tools

    Get Citation

    Copy Citation Text

    Zhang Sen, Zhang Junwei, Zhou Yi, Wang Xiao, Deng Bo, Su Jingqin, Hu Dongxia. Influence of Wavefront Distortion on Spatial-Temporal Property of Laser Pulse Output by Grating Compressor[J]. Chinese Journal of Lasers, 2018, 45(4): 401011

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category: laser devices and laser physics

    Received: Sep. 29, 2017

    Accepted: --

    Published Online: Apr. 13, 2018

    The Author Email: Junwei Zhang (zhangjunwei@caep.ac.cn)

    DOI:10.3788/CJL201845.0401011

    Topics