Search Results - "Chimier, B"

Optical Bloch modeling of femtosecond-laser-induced electron dynamics in dielectrics by Smetanina, Evgeniya O., Martinez, P. G. D., Thiele, I., Chimier, B., Bourgeade, A., Duchateau, G.

“…A model based on optical Bloch equations is developed to describe the interaction of femtosecond laser pulses with dielectric solids, accounting for…”
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Numerical studies of dielectric material modifications by a femtosecond Bessel–Gauss laser beam by Beuton, R., Chimier, B., Quinoman, P., González Alaiza de Martínez, P., Nuter, R., Duchateau, G.

“…Femtosecond Bessel–Gauss beams are attractive tools to a large area of laser processes including high aspect ratio volume nanostructuration in dielectric…”
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Solid-liquid phase transition induced by fast heating of a thin metal film by Chimier, B

“…For fast heating, solid-liquid phase transition is generally assumed to be an isochoric process related to the ion temperature. However, the experimental…”
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Femtosecond laser pulse train interaction with dielectric materials by Dematteo Caulier, O., Mishchik, K., Chimier, B., Skupin, S., Bourgeade, A., Javaux Léger, C., Kling, R., Hönninger, C., Lopez, J., Tikhonchuk, V., Duchateau, G.

“…The interaction of trains of femtosecond microjoule laser pulses with dielectric materials by means of a multi-scale model is investigated. Theoretical…”
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Thermo-elasto-plastic simulations of femtosecond laser-induced multiple-cavity in fused silica by Beuton, R., Chimier, B., Breil, J., Hébert, D., Mishchik, K., Lopez, J., Maire, P. H., Duchateau, G.

“…The formation and the interaction of multiple cavities, induced by tightly focused femtosecond laser pulses, are studied using a developed numerical tool,…”
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Ultrafast short-range disordering of femtosecond-laser-heated warm dense aluminum by Leguay, P M, Lévy, A, Chimier, B, Deneuville, F, Descamps, D, Fourment, C, Goyon, C, Hulin, S, Petit, S, Peyrusse, O, Santos, J J, Combis, P, Holst, B, Recoules, V, Renaudin, P, Videau, L, Dorchies, F

“…We have probed, with time-resolved x-ray absorption near-edge spectroscopy (XANES), a femtosecond-laser-heated aluminum foil with fluences up to 1  J/cm2. The…”
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Ultrashort laser induced spatial redistribution of silver species and nano-patterning of etching selectivity in silver-containing glasses by Petit, Y, Park, C-H, Mok, J-M, Smetanina, E, Chimier, B, Duchateau, G, Cardinal, T, Canioni, L, Park, S-H

“…Femtosecond laser-induced spatial redistribution of silver species (ions, clusters, and hole centers) in a silver-containing phosphate glass is investigated by…”
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Control of material removal of fused silica with single pulses of few optical cycles to sub-picosecond duration by Utéza, O., Sanner, N., Chimier, B., Brocas, A., Varkentina, N., Sentis, M., Lassonde, P., Légaré, F., Kieffer, J. C.

“…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…”
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Effect of pressure relaxation during the laser heating and electron–ion relaxation stages by Chimier, B., Tikhonchuk, V. T., Hallo, L.

“…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…”
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Laser-matter structuration of optical and biological materials by Hallo, L., Mézel, C., Guillemot, F., Chimier, B., Bourgeade, A., Regan, C., Duchateau, G., Souquet, A., Hebert, D.

“…► In this study we model nanomaterial structuring. ► The laser energy deposition is discussed first. ► Full and approximate models are discussed. ► Dynamic…”
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Formation of nanocavities in dielectrics: influence of equation of state by Hallo, L., Bourgeade, A., Mézel, C., Travaillé, G., Hébert, D., Chimier, B., Schurtz, G., Tikhonchuk, V. T.

“…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…”
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Femtosecond laser cutting of glass by controlled fracture propagation by Mishchik, K., Javaux, C., Dematteo-Caulier, O., Skupin, S., Chimier, B., Duchateau, G., Bourgeade, A., Kling, R., Letan, A., Honninger, C., Mottay, E., Lopez, J.

“…We present the use of a compact femtosecond laser with 300-fs pulse duration and pulse energy on the order of 10s of μJ for the cutting of glass by controlled…”
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Particles formation in an expanding plasma by Lescoute, E., Hallo, L., Chimier, B., Hébert, D., Tikhonchuk, V. T., Stenz, C., Chevalier, J.-M., Rullier, J.-L., Palmier, S.

“…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…”
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Damage and ablation thresholds of fused-silica in femtosecond regime by Chimier, B., Utéza, O., Sanner, N., Sentis, M., Itina, T., Lassonde, P., Légaré, F., Vidal, F., Kieffer, J. C.

“…We present an experimental and numerical study of the damage and ablation thresholds at the surface of a dielectric material, e.g., fused silica, using short…”
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Improved laser glass cutting by spatio-temporal control of energy deposition using bursts of femtosecond pulses by Mishchik, K., Beuton, R., Dematteo Caulier, O., Skupin, S., Chimier, B., Duchateau, G., Chassagne, B., Kling, R., Hönninger, C., Mottay, E., Lopez, J.

“…We demonstrate the advantage of combining non-diffractive beam shapes and femtosecond bursts for volume laser processing of transparent materials. By…”
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Ultrafast changes in optical properties of SiO 2 excited by femtosecond laser at the damage threshold and above by Fourment, C., Chimier, B., Deneuville, F., Descamps, D., Dorchies, F., Duchateau, G., Nadeau, C., Petit, S.

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Maxwell-consistent, symmetry-and energy-preserving solutions for ultrashort laser pulse propagation beyond the paraxial approximation by Martínez, P. González de Alaiza, Duchateau, G., Chimier, B., Nuter, R., Thiele, I., Skupin, Stefan, Tikhonchuk, V. T.

“…We analytically and numerically investigate the propagation of ultrashort tightly focused laser pulses in vacuum, with particular emphasis on Hermite-Gaussian…”
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Toward determinism in surface damaging of dielectrics using few-cycle laser pulses by Sanner, N., Utéza, O., Chimier, B., Sentis, M., Lassonde, P., Légaré, F., Kieffer, J. C.

“…We introduce a quantitative measurement of the determinism of laser-induced damaging at the surface of a dielectric material, e.g., fused silica. Using laser…”
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Sub-picosecond and nanometer scale dynamics of aluminum target surface heated by ultrashort laser pulse by Deneuville, F., Chimier, B., Descamps, D., Dorchies, F., Hulin, S., Petit, S., Peyrusse, O., Santos, J. J., Fourment, C.

“…The possibility of measuring surface hydrodynamics at picosecond and nanometer scales by using a time resolved optical interfero-polarimeter is demonstrated…”
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Effect of pressure relaxation during the laser heating and electron-ion relaxation stages: Laser Ablation: Fundamentals by CHIMIER, B, TIKHONCHUK, V. T, HALLO, L

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