Anisotropic dynamics of two-photon ionization: An attosecond movie of photoemission

被引：23

作者：

Autuori, Alice ^{[1
]}

Platzer, Dominique ^{[1
]}

Lejman, Mariusz ^{[1
]}

Gallician, Guillaume ^{[1
]}

Maeder, Lucie ^{[1
]}

Covolo, Antoine ^{[1
]}

Bosse, Lea ^{[1
]}

Dalui, Malay ^{[1
]}

Bresteau, David ^{[1
]}

Hergott, Jean-Francois ^{[1
]}

Tcherbakoff, Olivier ^{[1
]}

Marroux, Hugo J. B. ^{[1
]}

Loriot, Vincent ^{[2
]}

Lepine, Franck ^{[2
]}

Poisson, Lionel ^{[1
,3
]}

Taieb, Richard ^{[4
]}

Caillat, Jeremie ^{[4
]}

Salieres, Pascal ^{[1
]}

机构：

[1] Univ Paris Saclay, LIDYL, CNRS, CEA, F-91191 Gif Sur Yvette, France

[2] Univ Claude Bernard Lyon 1, Univ Lyon, Inst Lumiere Matiere, CNRS, F-69622 Villeurbanne, France

[3] Univ Paris Saclay, Inst Sci Mol Orsay, CNRS, F-91405 Orsay, France

[4] Sorbonne Univ, Lab Chim Phys Matiere & Rayonnement, CNRS, F-75005 Paris, France

来源：

SCIENCE ADVANCES | 2022年 / 8卷 / 12期

基金：

欧盟地平线“2020”;

关键词：

PHOTOIONIZATION; SPECTROSCOPY; RADIATION; DELAY; TIME;

D O I：

10.1126/sciadv.abl7594

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Imaging in real time the complete dynamics of a process as fundamental as photoemission has long been out of reach because of the difficulty of combining attosecond temporal resolution with fine spectral and angular resolutions. Here, we achieve full decoding of the intricate angle-dependent dynamics of a photoemission process in helium, spectrally and anisotropically structured by two-photon transitions through intermediate bound states. Using spectrally and angularly resolved attosecond electron interferometry, we characterize the complex-valued transition probability amplitude toward the photoelectron quantum state. This allows reconstructing in space, time, and energy the complete formation of the photoionized wave packet.

引用

页数：7

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