Author:
Pajer Viktor,Kalashnikov Mikhail,Lehotai Levente,Bohus János,Börzsönyi Ádám,Nagymihály Roland S.
Abstract
Artificially generated post-pulses at different positions in a petawatt laser were utilized to measure the nonlinear phase accumulation of individual amplifier stages by using a third order autocorrelator, providing a novel tool diagnosing contrast degradation.