• High Power Laser Science and Engineering
  • Vol. 10, Issue 2, 020000e9 (2022)
P.-G. Bleotu1、2、3、*, J. Wheeler4、5、*, D. Papadopoulos1, M. Chabanis1, J. Prudent1, M. Frotin1, L. Martin1, N. Lebas1, A. Freneaux1, A. Beluze1, F. Mathieu1, P. Audebert1, D. Ursescu2、3, J. Fuchs1, and G. Mourou5
Author Affiliations
  • 1LULI-CNRS, CEA, Sorbonne Universite, Ecole Polytechnique, Institut Polytechnique de Paris, F-91128 Palaiseau Cedex, France
  • 2Faculty of Physics, University of Bucharest, 077125 Bucharest-Magurele, Romania
  • 3Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering (IFIN-HH), Magurele, RO-077125, Romania
  • 4Independent Researcher, F-92340 Bourg-La-Reine, France
  • 5IZEST, Ecole Polytechnique, Institut Polytechnique de Paris, F-91128 Palaiseau Cedex, France
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    DOI: 10.1017/hpl.2021.61 Cite this Article Set citation alerts
    P.-G. Bleotu, J. Wheeler, D. Papadopoulos, M. Chabanis, J. Prudent, M. Frotin, L. Martin, N. Lebas, A. Freneaux, A. Beluze, F. Mathieu, P. Audebert, D. Ursescu, J. Fuchs, G. Mourou. Spectral broadening for multi-Joule pulse compression in the APOLLON Long Focal Area facility[J]. High Power Laser Science and Engineering, 2022, 10(2): 020000e9 Copy Citation Text show less

    Abstract

    Spectral-broadening of the APOLLON PW-class laser pulses using a thin-film compression technique within the long-focal-area interaction chamber of the APOLLON laser facility is reported, demonstrating the delivery of the full energy pulse to the target interaction area. The laser pulse at 7 J passing through large aperture, thin glass wafers is spectrally broadened to a bandwidth that is compatible with a 15-fs pulse, indicating also the possibility to achieve sub-10-fs pulses using 14 J. Placing the post-compressor near the interaction makes for an economical method to produce the shortest pulses by limiting the need for high damage, broadband optics close to the final target rather than throughout the entire laser transport system.

    $$\begin{align}{B}_{\mathrm{i}\mathrm{nt}}={k}_0{n}_2{\int}_0^{L_{\mathrm{i}}}I\left(r,t,z\right)\kern0.1em {\rm d}z\sim {k}_0{n}_2{L}_{\mathrm{i}}{I}_{\mathrm{o}}.\end{align}$$ ((1))

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    $$\begin{align}{F}_{\omega}=1+0.91\;{B}_{\mathrm{int}}\left(1-1.5\sqrt{D}\right).\end{align}$$ ((2))

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    $$\begin{align*}{F}_{\omega}=1+0.51\;{B}_{\mathrm{int}}\sim 1.7.\end{align*}$$ ()

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    $$\begin{align*}{F}_{\omega}\approx 1+0.51\left({B}_{\mathrm{int}}=1.8\right)\approx 1.9.\end{align*}$$ ()

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    $$\begin{align*}{F}_{\omega}^{\mathrm{meas}}=1.8\pm 0.1\end{align*}$$ ()

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    P.-G. Bleotu, J. Wheeler, D. Papadopoulos, M. Chabanis, J. Prudent, M. Frotin, L. Martin, N. Lebas, A. Freneaux, A. Beluze, F. Mathieu, P. Audebert, D. Ursescu, J. Fuchs, G. Mourou. Spectral broadening for multi-Joule pulse compression in the APOLLON Long Focal Area facility[J]. High Power Laser Science and Engineering, 2022, 10(2): 020000e9
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