Experimental Evidence of Photon Acceleration of Ultrashort Laser Pulses in relativistic Ionization Fronts

Abstract : The frequency up-shifts of ultrashort laser pulses (65 fs) propagating in opposite directions (20° and 160°) with respect to a relativistic ionization front (interface gas plasma) are measured for the first time. Up-shifts of the order of 25 nm are observed. A very good agreement is found with a two-dimensional ray-tracing theory.
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Submitted on : Saturday, March 20, 2010 - 12:08:00 AM
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J. Dias, C. Stenz, N. Lopes, X. Badiche, F. Blasco, et al.. Experimental Evidence of Photon Acceleration of Ultrashort Laser Pulses in relativistic Ionization Fronts. Physical Review Letters, American Physical Society, 1997, 78 (25), pp.4773-4776. ⟨10.1103/PhysRevLett.78.4773⟩. ⟨hal-00465608⟩

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