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Single-shot spectral interferometry of femtosecond laser-produced plasmas

  • S. REBIBO (a1), J.-P. GEINDRE (a1), P. AUDEBERT (a1), G. GRILLON (a2), J.-P. CHAMBARET (a2) and J.-C. GAUTHIER (a1)...

Abstract

We use both a Fourier-transform-based analysis and time-retrieval calculations to get time-resolved measurements of the reflectivity and the phase shift of a chirped probe pulse interacting with a fs-laser-produced plasma by spectral interferometry in a single shot. We have devised a novel dual-quadrature Mach–Zehnder configuration in which wavefront division is used to obtain spatial fringes from the perturbed and unperturbed probe simultaneously. We demonstrate the capability of this technique with fully analyzed experimental data on the interaction of a femtosecond laser with C3H6 and C samples, showing 35-fs time resolution.

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Corresponding author

Address correspondence and reprint requests to: Jean-Claude Gauthier, Directeur-Adjoint du LULI, LULI, Ecole Polytechnique, Route de Saclay, 91128 Palaiseau, France,. E-mail: jean-claude.gauthier@polytechnique.fr

Single-shot spectral interferometry of femtosecond laser-produced plasmas

  • S. REBIBO (a1), J.-P. GEINDRE (a1), P. AUDEBERT (a1), G. GRILLON (a2), J.-P. CHAMBARET (a2) and J.-C. GAUTHIER (a1)...

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