Polarization control of RABBITT in noble gas atoms

Fuente: arXiv
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Autores principales: Kheifets, Anatoli S., Xu, Zhongtao
Formato: Preprint
Publicado: 2023
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author Kheifets, Anatoli S.
Xu, Zhongtao
author_facet Kheifets, Anatoli S.
Xu, Zhongtao
contents The mutual angle formed by the non-collinear polarization axes of two laser pulses is used to control two-photon XUV+IR ionization of noble gas atoms in the process of reconstruction of attosecond bursts by beating of two-photon transitions (RABBITT). The magnitude and the phase of this beating can be controlled very efficiently by the mutual polarization angle. The mechanism of this control can be understood within the lowest order perturbation theory and the soft photon approximation. We offer a very sensitive test on the polarization control of the angular dependent RABBITT process which validates our numerical simulations. We apply this test to the recent theoretical and experimental results of polarization controlled RABBITT on hydrogen and helium by Boll et al., Phys. Rev. A 107, 043113 (2023) and heavier noble gases by Jiang et~al., Nature Comms. 13, 5072 (2022).
format Preprint
id arxiv_https___arxiv_org_abs_2304_13889
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle Polarization control of RABBITT in noble gas atoms
Kheifets, Anatoli S.
Xu, Zhongtao
Atomic Physics
The mutual angle formed by the non-collinear polarization axes of two laser pulses is used to control two-photon XUV+IR ionization of noble gas atoms in the process of reconstruction of attosecond bursts by beating of two-photon transitions (RABBITT). The magnitude and the phase of this beating can be controlled very efficiently by the mutual polarization angle. The mechanism of this control can be understood within the lowest order perturbation theory and the soft photon approximation. We offer a very sensitive test on the polarization control of the angular dependent RABBITT process which validates our numerical simulations. We apply this test to the recent theoretical and experimental results of polarization controlled RABBITT on hydrogen and helium by Boll et al., Phys. Rev. A 107, 043113 (2023) and heavier noble gases by Jiang et~al., Nature Comms. 13, 5072 (2022).
title Polarization control of RABBITT in noble gas atoms
topic Atomic Physics
url https://arxiv.org/abs/2304.13889