Ultrafast laser pump X-ray probe experiments by means of asynchronous sampling

A high time resolution in the picosecond range is required for the time-domain investigation of phonon dynamics in crystalline systems. Following a recently developed scheme in the visible spectrum, this resolution can be achieved by a method called asynchronous optical x-ray sampling (ASOXS). A pul...

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Bibliographic Details
Published in:Journal of physics. Conference series 2013-01, Vol.425 (9), p.92007-4
Main Authors: Issenmann, D, Ibrahimkutty, S, Steininger, R, Göttlicher, J, Baumbach, T, Hiller, N, Müller, A-S, Plech, A
Format: Article
Language:English
Subjects:
Delay
Dynamic tests
Dynamical systems
Dynamics
Electrons
Femtosecond
Femtosecond pulsed lasers
Lasers
Physics
Sampling
Storage rings (particle accelerators)
Synchrotron radiation
Synchrotrons
Time domain analysis
Ultrafast lasers
Visible spectrum
X-rays
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Summary:A high time resolution in the picosecond range is required for the time-domain investigation of phonon dynamics in crystalline systems. Following a recently developed scheme in the visible spectrum, this resolution can be achieved by a method called asynchronous optical x-ray sampling (ASOXS). A pulsed femtosecond laser with high repetition rate is synchronized to the electron bunches in a storage ring. A slight frequency detuning changes the mutual delay continuously, resulting in a time-domain x-ray sampling of the laser-excited system. At the synchrotron radiation source ANKA a machine mode with low momentum compaction factor αc is available, which delivers ultra-short x-ray pulses in the picosecond range.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/425/9/092007