Single-shot autocorrelation at relativistic intensity

Liesfeld, Ben; Bernhardt, Jens; Amthor, Kay-Uwe; Schwoerer, Heinrich; Sauerbrey, Roland
April 2005
Applied Physics Letters;4/18/2005, Vol. 86 Issue 16, p161107
Academic Journal
We demonstrate the single-shot autocorrelation of an ultrashort laser pulse at relativistic intensity (above 1018 W/cm2). The pulse is divided into two equally strong laser pulses which are focused into a He-gas jet under an angle of 180°. Nonlinear Thomson scattering from plasma electrons is used as second-order autocorrelation signal.


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