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  1. Article

    Open Access

    Self-generated surface magnetic fields inhibit laser-driven sheath acceleration of high-energy protons

    High-intensity lasers interacting with solid foils produce copious numbers of relativistic electrons, which in turn create strong sheath electric fields around the target. The proton beams accelerated in such ...

    M. Nakatsutsumi, Y. Sentoku, A. Korzhimanov, S. N. Chen… in Nature Communications (2018)

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  2. No Access

    Article

    Polypyrrole–silica core–shell nanocomposites: a new route towards active materials in dielectrophoretic displays

    A direct route to polypyrrole–silica core–shell nanoparticles with diameters in the 150–300 nm range is described to design new nanocomposites, in which the conducting part is wrapped by an external silica she...

    F. Miomandre, F. Chandezon, B. Lama, J. Besnardière… in Journal of Nanoparticle Research (2011)

  3. No Access

    Article

    High-power laser delocalization in plasmas leading to long-range beam merging

    Attraction and fusion between co-propagating light beams, mutually coherent or not, can take place in nonlinear media as a result of the beam power modifying the refractive index of the medium. In the context ...

    M. Nakatsutsumi, J-R. Marquès, P. Antici, N. Bourgeois, J. L. Feugeas… in Nature Physics (2010)

  4. No Access

    Article

    Laser-driven proton acceleration and applications: Recent results

    The acceleration of high-energy ion beams following the interaction of short (t < 1 ps) and intense (Iλ2 > 1018 W cm-2 μm2) laser pulses with solid targets is a field of research currently attracting high interes...

    M. Borghesi, T. Toncian, J. Fuchs… in The European Physical Journal Special Topi… (2009)

  5. No Access

    Article

    Observations of plasma heating by fast electron transport at the back side of solid targets

    Fast adiabatic plasma heating of a thin solid target irradiated by a high intensity laser has been observed by optical fast interferometry diagnostic. It is driven by the hot electron current induced by the la...

    G. Malka, Ph. Nicolai, E. Brambrink… in The European Physical Journal Special Topi… (2009)

  6. No Access

    Article

    Time and space resolved interferometry for detecting plasma expansion from solid targets

    We have used time and space resolved interferometry to measure the dynamics of a plasma expanding off the surface of a solid target. This allows accessing 1) the time- and space-resolved dynamics of the fast e...

    P. Antici, J. Fuchs, M. Borghesi… in The European Physical Journal Special Topi… (2009)

  7. No Access

    Article

    X-ray measurements at high-power lasers

    Conversion efficiencies of laser light into K x-ray radiation are used to characterize laser-solid interactions e.g. in measurements with back-lighter targets in Inertial Confinement Fusion research or in ultr...

    C. I. Szabo, P. Indelicato, A. Gumberidze… in The European Physical Journal Special Topi… (2009)

  8. No Access

    Article

    Novel BODIPY preparations from sterically hindered pyrroles. Synthesis and photophysical behavior in solution, polystyrene nanoparticles, and solid phase

    Trimesityl-BODIPY (TMB), a new derivative of 4,4-difluoro-4-bora-3a,4a-diaza-s-indacene belonging to fluores-cent nanostructures series, was synthesized from the corresponding pyrrole by the Trofimov reaction. Th...

    R. Meallet-Renault, G. Clavier, C. Dumas-Verdes… in Russian Journal of General Chemistry (2008)

  9. No Access

    Article

    Plasma mirrors for ultrahigh-intensity optics

    Specular reflection is one of the most fundamental processes of optics. At moderate light intensities generated by conventional light sources this process is well understood. But at those capable of being prod...

    C. Thaury, F. Quéré, J.-P. Geindre, A. Levy, T. Ceccotti, P. Monot… in Nature Physics (2007)

  10. No Access

    Chapter and Conference Paper

    Laser Accelerated, High Quality Ion Beams

    Intense beams of protons and heavy ions have been observed in ultra-intense laser-solid interaction experiments. Thereby, a considerable fraction of the laser energy is transferred to collimated beams of energ...

    M. Roth, A. Blazevic, E. Brambrink, M. Geissel, T. E. Cowan, J. Fuchs… in Laser 2004 (2006)

  11. No Access

    Article

    Laser-driven proton scaling laws and new paths towards energy increase

    The past few years have seen remarkable progress in the development of laser-based particle accelerators. The ability to produce ultrabright beams of multi-megaelectronvolt protons routinely has many potential...

    J. Fuchs, P. Antici, E. d’Humières, E. Lefebvre, M. Borghesi… in Nature Physics (2006)

  12. No Access

    Article

    Laser Accelerated, High Quality Ion Beams

    Intense beams of protons and heavy ions have been observed in ultra-intense laser-solid interaction experiments. Thereby, a considerable fraction of the laser energy is transferred to collimated beams of energ...

    M. Roth, A. Blazevic, E. Brambrink, M. Geissel, T. E. Cowan… in Hyperfine Interactions (2005)

  13. No Access

    Article

    Source-size measurements and charge distributions of ions accelerated from thin foils irradiated by high-intensity laser pulses

    We report on measurements of source sizes and charge state distributions of ions accelerated from thin foils irradiated by ultrashort (100–300 fs) high-intensity (1-6×1019 W/cm2) laser pulses. The source sizes of...

    J. Schreiber, M. Kaluza, F. Grüner, U. Schramm, B.M. Hegelich… in Applied Physics B (2004)

  14. No Access

    Article

    X-ray spectroscopic observations of a superdense plasma in nanoparticles irradiated by superintense femtosecond laser radiation

    The interaction of femtosecond laser pulses with SiO2 aerogel targets has been analyzed by x-ray spectroscopic methods. The use of an aerogel target with transparent grains makes it possible to considerably reduc...

    A. Ya. Faenov, T. A. Pikuz, I. Yu. Skobelev… in Journal of Experimental and Theoretical Ph… (2004)

  15. No Access

    Article

    High order harmonic generation by non-linear reflection of a pedestal-free intense laser pulse on a plasma

    We demonstrate the influence of the prepulses and ASE of ultrashort pulses interacting with a solid target by addressing the direct comparison of the harmonic spectra generated by reflection onto a solid targe...

    G. Doumy, S. Dobosz, P. D’Oliveira, P. Monot, M. Perdrix, F. Quéré… in Applied Physics B (2004)

  16. No Access

    Article

    Time-resolved analysis of the X-ray emission of femtosecond-laser-produced plasmas in the 1.5-keV range

    Recent experimental results on ion beams produced in high-intensity laser–solid interactions indicate the presence of very intense electric fields in the target. This suggests the possibility of efficiently he...

    S. Bastiani-Ceccotti, P. Audebert, V. Nagels-Silvert, J.P. Geindre… in Applied Physics B (2004)

  17. No Access

    Article

    Electrochemical Growth of Conducting Polymer into Zirconium Oxopolymers Sol-Gel Coatings

    Conducting polymer based hybrid materials were synthesized by a new route. The use of pyrrole derivatives functionalized by a carboxylic acid or a β-diketone group allows to control the polymerization rate of ...

    S. Roux, P. Audebert, J. Pagetti, M. Roche in Journal of Sol-Gel Science and Technology (2003)

  18. No Access

    Article

    Non-thermal melting in semiconductors measured at femtosecond resolution

    Ultrafast time-resolved optical spectroscopy has revealed new classes of physical1, chemical2 and biological3 reactions, in which directed, deterministic motions of atoms have a key role. This contrasts with the ...

    A. Rousse, C. Rischel, S. Fourmaux, I. Uschmann, S. Sebban, G. Grillon… in Nature (2001)

  19. No Access

    Chapter and Conference Paper

    Ultrafast Plasma Studies by Phase Measurements with Femtosecond Spectral Interferometry

    Dual quadrature femtosecond spectral interferometry is used to measure the gradient length, the peak temperature, and collision frequencies around critical density of an ultra-short pulse laser-produced plasma.

    J.-C. Gauthier, C. Quoix, J. P. Geindre, P. Audebert… in Ultrafast Phenomena XI (1998)

  20. No Access

    Chapter and Conference Paper

    Disorder in Solids Studied on an Ultrashort Timescale using Femtosecond X-Ray Diffraction

    We’ve studied the sub-picosecond response of an organometallic Langmuir-Blodgett film to an ultrashort laser excitation using ultrafast time-resolved x-ray diffraction. The ultrafast and monochromatic Kα x-ray so...

    A. Rousse, C. Rischel, I. Uschmann, P. A. Albouy, J. P. Geindre… in Ultrafast Phenomena XI (1998)

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