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The University of Southampton
Computationally Intensive Imaging

IfLS Imaging Seminar Series: X-ray Ptychography Event

Institute for Life Sciences
X-ray diffraction, Pierre Thibault
16:00 - 17:00
12 May 2016
University of Southampton, Highfield Campus, Life Sciences Building (85), Lecture Room 2207.

For more information regarding this event, please email Adam Corres at .

Event details

X-ray ptychography is a synchrotron-based imaging technique that produces sub-micrometre quantitative maps of a transmission function through the combination of diffraction measurements from the illumination of multiple overlapping regions on the specimen. Thanks to the information gain provided by the diversity of the measurements, image reconstruction from ptychographic data is especially robust in comparison to other X-ray lens-less imaging techniques. The technique has been extended to three-dimensional imaging and is now used routinely with a few dedicated instruments. This talk will give an overview of recent developments in the field, from biomedical applications to extensions of the method for partial coherence, dynamical studies and near-field imaging.


Title image credit - Dr Pierre Thibault: One of multiple X-ray diffraction patterns collected to reconstruct a high-resolution image using ptychography.

Credit: Pierre Thibault
Credit: Pierre Thibault

Speaker information

Dr Pierre Thibault,originally from Canada, did his undergraduate studies in Montreal and obtained his PhD in theoretical physics at Cornell University. His research gradually acquired an experimental component as he went on to take positions at the Swiss Light Source and the Technical University of Munich. He was a lecturer at UCL before taking the associate professor position he now holds at the University of Southampton. Pierre's research, funded by an ERC starting grant, aims at developing imaging techniques that exploit the coherent flux of modern X-ray sources, such as ptychography.

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