Time resolved 3D momentum imaging of ultrafast dynamics by coherent VUV-XUV radiation

We present a new experimental setup for measuring ultrafast nuclear and electron dynamics of molecules after photo-excitation and ionization. We combine a high flux femtosecond vacuum ultraviolet (VUV) and extreme ultraviolet (XUV) source with an internally cold molecular beam and a 3D momentum imag...

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Bibliographic Details
Published in:Review of scientific instruments 2016-06, Vol.87 (6), p.063110-063110
Main Authors: Sturm, F. P., Wright, T. W., Ray, D., Zalyubovskaya, I., Shivaram, N., Slaughter, D. S., Ranitovic, P., Belkacem, A., Weber, Th
Format: Article
Language:English
Subjects:
Fluid jets
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
Ionization
Laser beams
Mirrors
Molecular beams
Momentum
Photon beams
Photons
Scientific apparatus & instruments
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Summary:We present a new experimental setup for measuring ultrafast nuclear and electron dynamics of molecules after photo-excitation and ionization. We combine a high flux femtosecond vacuum ultraviolet (VUV) and extreme ultraviolet (XUV) source with an internally cold molecular beam and a 3D momentum imaging particle spectrometer to measure electrons and ions in coincidence. We describe a variety of tools developed to perform pump-probe studies in the VUV-XUV spectrum and to modify and characterize the photon beam. First benchmark experiments are presented to demonstrate the capabilities of the system.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.4953441