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Coherence seminar: Soft matter Dynamics Studied With Homeopathic Speckle Patterns

QUICK INFORMATION
Type
Seminar
Start Date
06-04-2018 11:00
Location
Room 1-10, Common Building
Speaker's name
Mario Reiser
Speaker's institute
European XFEL
Contact name
Sabine Schreiber
Host name
Oier BIKONDOA
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Soft matter Dynamics Studied With Homeopathic Speckle Patterns 
Appeal And Challenges Of X-Ray Speckle Visibility Spectroscopy

Mario Reisera,b, Jörg Hallmanna, Johannes Möllera,  Luigi Cristofolinic, Davide Orsic,
Hendrik Rahmannb, Anna-Lena Beckerb, Christian Guttb, Anders Madsena

aEuropean XFEL, bUniversity of Siegen, cUniversity of Parma

Email: mario.reiser@xfel.eu

With the advent of highly brilliant X-ray sources coherent scattering techniques like XPCS became a powerful tool for studying dynamics in a variety of systems on the nanometer and atomic length scale. For a long time, the dynamical properties of organic and biological samples (micelles, proteins, etc.) have been hardly accessible by these techniques due to their extensive suffering from beam damage. X-Ray Speckle Visibility Spectroscopy (XSVS) allows for performing measurements in the regime of ‘homeopathically' low intensities by evaluating the photon statistics of single acquisitions. Thereby, it is not only possible to conduct experiments with low radiation doses but also to measure time scales faster than the detector repetition rate, which makes XSVS particularly interesting for future studies of ultrafast dynamics at FELs.

Visitors from off-site please contact Sabine Schreiber tel +33 (0)4 76 88 25 02 to arrange for a gate pass.
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