High brightness soft x-ray source from ultrafast laser-produced plasmas

J. C. Gauthier; A. Rousse; F. Fallies; P. Audebert; J. P. Geindre; A. Mysyrowicz; G. Grillon; A. Antonetti

High brightness soft x-ray source from ultrafast laser-produced plasmas

J. C. Gauthier
, A. Rousse
, F. Fallies
, P. Audebert
, J. P. Geindre
, A. Mysyrowicz
, G. Grillon
, A. Antonetti

Research output: Contribution to conference › Paper › peer-review

Abstract

We have performed a detailed quantitative study of the intense electron pulse produced by nonlinear absorption during ultrafast laser-solid interaction at near normal incidence. The resulting Kα x-ray lines have been investigated by time-integrated spectroscopy in the 1-4 keV range and by Monte Carlo simulations of hot electron energy penetration in Al/SiO₂ and Al/CaF₂ targets. Calibration of the observed electron fluence and Kα line intensities was provided by direct mono-energetic electron beam interaction with the same target. Optimum conditions for hot electron production were obtained by setting the prepulse energy fluence close to the target damage threshold. Results indicate that Kα lines were produced by a distribution function of hot electrons, which carry 12% of the incident laser energy with a characteristic temperature of about 8 keV.

Original language	English
Publication status	Published - 1 Dec 1994
Event	Proceedings of the 5th European Quantum Electronics Conference - Amsterdam, Neth Duration: 28 Aug 1994 → 2 Sept 1994

Conference

Conference	Proceedings of the 5th European Quantum Electronics Conference
City	Amsterdam, Neth
Period	28/08/94 → 2/09/94

Cite this

@conference{401c71b9448a4fbc8ec17d313bd73d80,

title = "High brightness soft x-ray source from ultrafast laser-produced plasmas",

abstract = "We have performed a detailed quantitative study of the intense electron pulse produced by nonlinear absorption during ultrafast laser-solid interaction at near normal incidence. The resulting Kα x-ray lines have been investigated by time-integrated spectroscopy in the 1-4 keV range and by Monte Carlo simulations of hot electron energy penetration in Al/SiO2 and Al/CaF2 targets. Calibration of the observed electron fluence and Kα line intensities was provided by direct mono-energetic electron beam interaction with the same target. Optimum conditions for hot electron production were obtained by setting the prepulse energy fluence close to the target damage threshold. Results indicate that Kα lines were produced by a distribution function of hot electrons, which carry 12\% of the incident laser energy with a characteristic temperature of about 8 keV.",

author = "Gauthier, \{J. C.\} and A. Rousse and F. Fallies and P. Audebert and Geindre, \{J. P.\} and A. Mysyrowicz and G. Grillon and A. Antonetti",

year = "1994",

month = dec,

day = "1",

language = "English",

note = "Proceedings of the 5th European Quantum Electronics Conference ; Conference date: 28-08-1994 Through 02-09-1994",

}

TY - CONF

T1 - High brightness soft x-ray source from ultrafast laser-produced plasmas

AU - Gauthier, J. C.

AU - Rousse, A.

AU - Fallies, F.

AU - Audebert, P.

AU - Geindre, J. P.

AU - Mysyrowicz, A.

AU - Grillon, G.

AU - Antonetti, A.

PY - 1994/12/1

Y1 - 1994/12/1

N2 - We have performed a detailed quantitative study of the intense electron pulse produced by nonlinear absorption during ultrafast laser-solid interaction at near normal incidence. The resulting Kα x-ray lines have been investigated by time-integrated spectroscopy in the 1-4 keV range and by Monte Carlo simulations of hot electron energy penetration in Al/SiO2 and Al/CaF2 targets. Calibration of the observed electron fluence and Kα line intensities was provided by direct mono-energetic electron beam interaction with the same target. Optimum conditions for hot electron production were obtained by setting the prepulse energy fluence close to the target damage threshold. Results indicate that Kα lines were produced by a distribution function of hot electrons, which carry 12% of the incident laser energy with a characteristic temperature of about 8 keV.

AB - We have performed a detailed quantitative study of the intense electron pulse produced by nonlinear absorption during ultrafast laser-solid interaction at near normal incidence. The resulting Kα x-ray lines have been investigated by time-integrated spectroscopy in the 1-4 keV range and by Monte Carlo simulations of hot electron energy penetration in Al/SiO2 and Al/CaF2 targets. Calibration of the observed electron fluence and Kα line intensities was provided by direct mono-energetic electron beam interaction with the same target. Optimum conditions for hot electron production were obtained by setting the prepulse energy fluence close to the target damage threshold. Results indicate that Kα lines were produced by a distribution function of hot electrons, which carry 12% of the incident laser energy with a characteristic temperature of about 8 keV.

M3 - Paper

AN - SCOPUS:0028563089

T2 - Proceedings of the 5th European Quantum Electronics Conference

Y2 - 28 August 1994 through 2 September 1994

ER -

High brightness soft x-ray source from ultrafast laser-produced plasmas

Abstract

Conference

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