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AMO Seminar - Alfred Maquet (Universite Pierre et Marie Curie, Paris) "Attosecond delays in resonant photoionization via an autoionizing state"

Alfred Maquet smiling with brick house behind him
June 9, 2015
3:00 pm - 4:00 pm
4138 Physics Research Building

Abstract:  We present the results of a study of time-delays in the photoionization of argon atoms in the combined presence of an IR laser field and of an attosecond pulse train of XUV harmonics (RABBIT set-up). The frequency of the pump laser was tuned with objective to make one of the harmonics to scan a Fano resonance involving the 3s23p6 → 3s13p64p1 transition. The experimental results are modeled with the help of a theoretical treatment that accounts for the variations of the time-delays in the region close to the resonance.