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  • Received: Aug. 1, 2020

    Accepted: Oct. 26, 2020

    Posted: Jan. 5, 2021

    Published Online: Jan. 5, 2021

    The Author Email: Ioan Dancus (ioan.dancus@eli-np.ro)

    DOI: 10.1017/hpl.2020.41

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    François Lureau, Guillaume Matras, Olivier Chalus, Christophe Derycke, Thomas Morbieu, Christophe Radier, Olivier Casagrande, Sébastien Laux, Sandrine Ricaud, Gilles Rey, Alain Pellegrina, Caroline Richard, Laurent Boudjemaa, Christophe Simon-Boisson, Andrei Baleanu, Romeo Banici, Andrei Gradinariu, Constantin Caldararu, Bertrand De Boisdeffre, Petru Ghenuche, Andrei Naziru, Georgios Kolliopoulos, Liviu Neagu, Razvan Dabu, Ioan Dancus, Daniel Ursescu. High-energy hybrid femtosecond laser system demonstrating 2 × 10 PW capability[J]. High Power Laser Science and Engineering, 2020, 8(4): 04000e43

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  • Table 1. Main beam parameters at each amplification level during the 10 PW operation.

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    Table 1. Main beam parameters at each amplification level during the 10 PW operation.

    InputUsed/availableOutputEnergyBeam
    AMPenergypump energyenergystabilitysize
    AMP1.10.5 mJ110 mJ/200 mJ25 mJ< 3% RMS2 mm
    AMP1.225 mJ11 J/14.2 J3.5 J< 3% RMS28 mm
    AMP22 J85 J/96 J35 J< 2% RMS55 mm
    AMP3.120 J180 J/200 J80 J< 2% RMS90 mm
    AMP3.280 J480 J/600 J327 J< 1.8% RMS130 mm
  • Table 2. Beam size and deformable mirror characteristics.

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    Table 2. Beam size and deformable mirror characteristics.

    100 TW1 PW10 PW
    Beam size at the deformable mirror28 mm55 mm130 mm
    Deformable mirror size50 mm100 mm180 mm
    Optimum beam diameter for correction20–30 mm40–60 mm125–180 mm
    Number of actuators254358
  • Table 3. Measured parameters of the HPLS.

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    Table 3. Measured parameters of the HPLS.

    Output type100 TW1 PW10 PW
    Pulse energy (J)a2.725243
    Pulse duration (fs)b<25<24<23
    Repetition rate (Hz)1011/60
    Calculated SR from measured wavefront>0.9>0.9>0.9
    Pointing stability (μrad RMS)c<3.4<1.78<1.27
    Pulse energy stability (RMS)c<2.6%<1.8%<1.8%
    FE demonstrated ps contrastdIn the range of 1013:1
  • Table 4. Stability test for the 10 PW level amplifier running for 90 min at 300 J.

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    Table 4. Stability test for the 10 PW level amplifier running for 90 min at 300 J.

    ParameterValue
    Average value300.5 J
    Maximum value305 J
    Minimum value254 J
    RMS stability1.798%
    Point-to-point stability17.14%
    Standard deviation5.4 J

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