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Hannover 2020 – scientific programme

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A: Fachverband Atomphysik

A 14: Poster Session - Atomic Physics II

A 14.2: Poster

Tuesday, March 10, 2020, 16:00–18:00, Empore Lichthof

Impact of electron transport on attosecond streaking in dielectrics — •L. Seiffert1, E. A. Herzig1, Q. Liu2,3, S. Zherebtsov2,3, A. Trabattoni4,5, P. Rupp2,3, M. C. Castrovilli6, M. Galli4,6, F. Süßmann2,3, K. Wintersperger2, J. Stierle2, G. Sansone4,6, L. Poletto6, F. Frassetto6, I. Halfpap7, V. Mondes7, C. Graf7, E. Rühl7, F. Krausz2,3, M. Nisoli4,6, T. Fennel1, 8, F. Calegari5,6,9, and M. Kling2,31Universität Rostock — 2MPQ Garching — 3LMU München — 4Politecnico di Milano — 5CFEL, DESY — 6National Research Council of Italy — 7FU Berlin — 8MBI Berlin — 9Universität Hamburg

Scattering of electrons in dielectrics is at the heart of laser nanomachining, light-driven electronics, and radiation damage. Accurate theoretical predictions of the underlying dynamics require precise knowledge of low-energy electron transport involving elastic and inelastic collisions. Here, we demonstrate real-time access to electron scattering in dielectric nanoparticles via attosecond streaking. Utilizing semiclassical transport simulations [1] we identify that the presence of the field inside the dielectric cancels the influence of elastic scattering, enabling selective characterization of the inelastic scattering time [2,3].
[1] F. Süßmann et al., Nat. Commun. 6, 7944 (2015)

[2] L. Seiffert et al., Nat. Phys. 13, 766-770 (2017)

[3] Q. Liu et al., J. Opt. 20, 024002 (2018)

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