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  1. No Access

    Article

    Numerical studies of dielectric material modifications by a femtosecond Bessel–Gauss laser beam

    Femtosecond Bessel–Gauss beams are attractive tools to a large area of laser processes including high aspect ratio volume nanostructuration in dielectric materials. Understanding the dielectric material respon...

    R. Beuton, B. Chimier, P. Quinoman, P. González Alaiza de Martínez… in Applied Physics A (2021)

  2. No Access

    Article

    Thermo-elasto-plastic simulations of femtosecond laser-induced multiple-cavity in fused silica

    The formation and the interaction of multiple cavities, induced by tightly focused femtosecond laser pulses, are studied using a developed numerical tool, including the thermo-elasto-plastic material response....

    R. Beuton, B. Chimier, J. Breil, D. Hébert, K. Mishchik, J. Lopez… in Applied Physics A (2018)

  3. No Access

    Article

    Control of material removal of fused silica with single pulses of few optical cycles to sub-picosecond duration

    Surface ablation of a dielectric material (fused silica) by single femtosecond pulses is studied as a function of pulse duration (7–450 fs) and applied fluence (F th<F<10F ...

    O. Utéza, N. Sanner, B. Chimier, A. Brocas, N. Varkentina, M. Sentis… in Applied Physics A (2011)

  4. No Access

    Article

    Particles formation in an expanding plasma

    Interaction of a laser beam with a target generates a high velocity expanding plasma plume, solid debris and liquid nano- and microparticles. They are produced from plasma recombination and vapor condensation ...

    E. Lescoute, L. Hallo, B. Chimier, D. Hébert… in The European Physical Journal Special Topi… (2009)

  5. No Access

    Article

    Effect of pressure relaxation during the laser heating and electron–ion relaxation stages

    The multi-phase equation of state by Bushman et al. (Sov. Tech. Rev. 5:1–44, 2008) is modified to describe states with different electron and ion temperatures and it is applied to the non-equilibrium evolution of...

    B. Chimier, V. T. Tikhonchuk, L. Hallo in Applied Physics A (2008)

  6. No Access

    Article

    Formation of nanocavities in dielectrics: influence of equation of state

    Tight focusing of a sub-picosecond laser pulse in a transparent dielectric provides a mean for localized deposition and plasma formation. A micro-explosion in a confined geometry results in a sub-micron cavity...

    L. Hallo, A. Bourgeade, C. Mézel, G. Travaillé, D. Hébert, B. Chimier… in Applied Physics A (2008)