High dynamic range multi-channel cross-correlator for single-shot temporal contrast measurement

摘要

Wehavedevelopedamulti-channelcross-correlatorforhighdynamicrange(1010),single-shottemporalcontrastmeasurements.Thecorrelatorutilizesathird-ordercrosscorrelationtechniqueandhasareferencechannel,tobenormalizedbythemeasuredpeakintensity,andfourindependentopticaldelaylines.Themeasurementresultsoftheshot-to-shottemporalcontrastclearlyshowtheintensityfluctuationsofshortpre-pulsesat-4.5psand-26psbeforemainpulse...