Photoelectron angular distributions for the two-photon sequential double ionization of xenon by ultrashort extreme ultraviolet free electron laser pulses

2013 ◽  
Vol 46 (16) ◽  
pp. 164022 ◽  
Author(s):  
S Mondal ◽  
R Ma ◽  
K Motomura ◽  
H Fukuzawa ◽  
A Yamada ◽  
...  
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Extreme Ultraviolet ◽  
Laser Pulses ◽  
Double Ionization ◽  
Angular Distributions ◽  
Two Photon ◽  
Sequential Double Ionization ◽  
Photoelectron Angular Distributions

scholarly journals Direct autocorrelation of soft-x-ray free-electron-laser pulses by time-resolved two-photon double ionization of He

2009 ◽  
Vol 80 (2) ◽  
Author(s):  
R. Mitzner ◽  
A. A. Sorokin ◽  
B. Siemer ◽  
S. Roling ◽  
M. Rutkowski ◽  
...  
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Laser Pulses ◽  
Double Ionization ◽  
Time Resolved ◽  
X Ray ◽  
Two Photon

Angular distributions of electrons in sequential two-photon double ionization of atoms by free electron laser radiation

2009 ◽  
Vol 24 (0) ◽  
pp. 73-77 ◽  
Author(s):  
Е. В. Грызлова ◽  
А. Н. Грум-Гржимайло ◽  
Н. М. Кабачник ◽  
S. Fritzsche
Keyword(s):  
Laser Radiation ◽  
Free Electron ◽  
Free Electron Laser ◽  
Double Ionization ◽  
Angular Distributions ◽  
Two Photon

scholarly journals Two-photon double ionization of He and Ne with intense VUV free-electron-laser pulses

2009 ◽  
Vol 194 (3) ◽  
pp. 032008
Author(s):  
A Rudenko ◽  
M Kurka ◽  
L Foucar ◽  
K-U Kühnel ◽  
Y H Jiang ◽  
...  
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Laser Pulses ◽  
Double Ionization ◽  
Two Photon

Generation and measurement of intense few-femtosecond superradiant extreme-ultraviolet free-electron laser pulses

2021 ◽  
Author(s):  
Najmeh S. Mirian ◽  
Michele Di Fraia ◽  
Simone Spampinati ◽  
Filippo Sottocorona ◽  
Enrico Allaria ◽  
...  
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Extreme Ultraviolet ◽  
Laser Pulses

scholarly journals Measuring the frequency chirp of extreme-ultraviolet free-electron laser pulses by transient absorption spectroscopy

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Thomas Ding ◽  
Marc Rebholz ◽  
Lennart Aufleger ◽  
Maximilian Hartmann ◽  
Veit Stooß ◽  
...  
Keyword(s):  
Free Electron ◽  
Free Electron Laser ◽  
Transient Absorption ◽  
Extreme Ultraviolet ◽  
Ultrashort Pulses ◽  
Laser Pulses ◽  
Transient Absorption Spectroscopy ◽  
Energy Structure ◽  
Frequency Chirp

AbstractHigh-intensity ultrashort pulses at extreme ultraviolet (XUV) and x-ray photon energies, delivered by state-of-the-art free-electron lasers (FELs), are revolutionizing the field of ultrafast spectroscopy. For crossing the next frontiers of research, precise, reliable and practical photonic tools for the spectro-temporal characterization of the pulses are becoming steadily more important. Here, we experimentally demonstrate a technique for the direct measurement of the frequency chirp of extreme-ultraviolet free-electron laser pulses based on fundamental nonlinear optics. It is implemented in XUV-only pump-probe transient-absorption geometry and provides in-situ information on the time-energy structure of FEL pulses. Using a rate-equation model for the time-dependent absorbance changes of an ionized neon target, we show how the frequency chirp can be directly extracted and quantified from measured data. Since the method does not rely on an additional external field, we expect a widespread implementation at FELs benefiting multiple science fields by in-situ on-target measurement and optimization of FEL-pulse properties.

scholarly journals All-optical single shot complete electric field measurement of extreme ultraviolet free electron laser pulses

Optica ◽  
2021 ◽  
Author(s):  
William Peters ◽  
Travis Jones ◽  
Anatoly Efimov ◽  
Emanuele Pedersoli ◽  
Laura Foglia ◽  
...  
Keyword(s):  
Electric Field ◽  
Free Electron ◽  
Field Measurement ◽  
Free Electron Laser ◽  
Extreme Ultraviolet ◽  
Laser Pulses ◽  
Single Shot ◽  
Electric Field Measurement ◽  
All Optical
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