[13a-2G-1~10] 3.6 Ultrashort-pulse and high-intensity lasers

[13a-2G-7] Establishing measurement of dipole response with inner shell using isolated attosecond pulse

Hiroki Mashiko¹, 〇Katsuya Oguri¹, Tomohiko Yamaguchi^1,2, Akira Suda², Hideki Gotoh¹ (1.NTT Basic Research Labs., 2.Tokyo Univ. of Science)

Keywords:Attosecond physics,core-level dynamics

We proposed a new scheme of characterizing a dipole response with an inner shell induced by an isolated attosecond pulse. We reconstruct the dipole response from the spectral interferogram constructed with two fields of electromagnetic radiation in a neon atom. The reconstructed decay time of 35 fs is agreed well with the result of transient absorption spectroscopy using the NIR pulse.