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1 results

  • High-performance 800–1050 nm seed pulses based on spectral broadening and filtering for petawatt lasers

  • Wenhai Liang, Renjing Chen, Yilin Xu, Yaping Xuan, Peng Wang, Jun Liu, Ruxin Li
  • Journal:
    High Power Laser Science and Engineering / Volume 11 / 2023
    Published online by Cambridge University Press:
    06 January 2023, e8
    • Article
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  • High-performance 86 μJ, 11.2 fs pulses with a spectrum range of 800–1050 nm are generated based on 1030 nm, 190 fs Yb femtosecond pulses by using multi-plate-based spectral broadening and filtering. Taking advantage of single beam configuration, the obtained pulses have excellent power and spectral stabilities. Since the output spectrum is obtained by spectrally filtering the broadened components, the temporal contrast of the output pulses is enhanced by at least four orders of magnitude. Together with the robust and simple setup, the proposed method is expected to be a competitive option for the generation of seed pulses for 10s–100s petawatt lasers.