Manifestation of attosecond XUV fields temporal structures in attosecond streaking spectrogram

(整期优先)网络出版时间:2011-06-16
/ 1
Thefeaturesofanattosecondextremeultraviolet(XUV)fieldareencodedintheattosecondXUVspectrogram.WeinvestigatetheeffectofthetemporalstructuresofattosecondXUVfieldsontheattosecondstreakingspectrogram.FactorssuchasthenumberofattosecondXUVpulsesandthetemporalchirpofattosecondXUVpulsesareconsidered.ResultsindicatethatunliketheattosecondstreakingspectrogramforanattosecondXUVfieldwithtwopulsesofahalf-cycleseparationofstreakingfield,thespectrogramfortheattosecondXUVfieldwiththreepulsesdemonstratesfinespectralfringesinseparatedtraces.