Abstract
Metrology of electron wavepackets is often conducted with the technique of photoelectron interferometry. However, the ultrashort light pulses employed in this method place a limit on the energy resolution. Here, weadvance ultrafast photoelectron interferometry access both high temporal and spectral resolution. The key to our approach lies in stimulating Raman interferences with a probe pulse and while monitoring the modification of the autoionizing electron yield in a separate delayed detection step. As a proof of the principle, we demonstrated this technique to obtain the components of an autoionizing nf′ wavepacket between the spin-orbit split ionization thresholds in argon. We extracted the amplitudes and phases from the interferogram and compared the experimental results with second-order perturbation theory calculations. This high resolution probing and metrology of electron dynamics opens the path for study of molecular wavepackets.
Original language | English (US) |
---|---|
Article number | 012003 |
Journal | Journal of Physics: Conference Series |
Volume | 2494 |
Issue number | 1 |
DOIs | |
State | Published - 2023 |
Event | 30th Annual International Laser Physics Workshop 2022, LPHYS 2022 - Virtual, Online Duration: Jul 18 2022 → Jul 22 2022 |
ASJC Scopus subject areas
- General Physics and Astronomy