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Title: Reconstruction of the complex angle-dependent photoionization transition dipole from a laser-dressed streaking experiment

Journal Article · · Physical Review A
 [1];  [1];  [2];  [1]
  1. Kansas State Univ., Manhattan, KS (United States)
  2. Kansas State Univ., Manhattan, KS (United States); Liaoning Normal Univ., Dalian (China)
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We study the retrieval of the angular dependence of the photoionization transition dipole phase of an attosecond XUV pulse in order to reconstruct the whole photoelectron wave packet after the photoemission process. Using a one-electron model Ar atom, we show that the full electron wave packet can be reconstructed from IR-free photoelectron angular distributions and the streaking electron spectra in an IR-dressed XUV photoionization, with photoelectrons along the common polarization direction of the two pulses. The method relies on the validity of the strong-field approximation so it is valid only for higher energy photoelectrons. Here, we also point out that a single photoionization group time delay is not enough to represent a photoemission process; instead, a complete characterization of the electron wave packet requires the retrieval of the spectral phase over the whole bandwidth of the wave packet.

Research Organization:
Kansas State Univ., Manhattan, KS (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences, and Biosciences Division; National Natural Science Foundation of China (NSFC)
Grant/Contract Number:
FG02-86ER13491; 11604131
OSTI ID:
1610043
Alternate ID(s):
OSTI ID: 1481048
Journal Information:
Physical Review A, Vol. 98, Issue 5; ISSN 2469-9926
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 8 works
Citation information provided by
Web of Science

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Cited By (2)

Time delays from one-photon transitions in the continuum conference January 2020
Time delays from one-photon transitions in the continuum text January 2020

Figures / Tables (7)

FIG. 1(p. 6)figure FIG. 1
FIG. 2(p. 6)figure FIG. 2
FIG. 3(p. 7)figure FIG. 3
FIG. 4(p. 7)figure FIG. 4
FIG. 5(p. 9)figure FIG. 5
FIG. 6(p. 9)figure FIG. 6
FIG. 7(p. 10)figure FIG. 7

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