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Staff2015 600px.jpg

X-Ray Tomography Group

TOmographic Microscopy and Coherent rAdiology experimenTs

Prof. Stampanoni heads a group of over 20 people, including three staff scientists, two technicians, one controls engineer, and many postdocs and PhD students. The team focuses on the development of tools, both instrumentation and algorithms, for tomographic X-ray imaging, exploiting synchrotron and laboratory sources. The group is engaged in the design and construction of ultra-fast data acquisition systems (stroboscopic coherent X-ray radiology and tomography) to provide dynamic investigation of rapidly evolving systems. The group also intensively develops optimized applications for fast, concurrent post-processing of tomographic data starting from simple normalization corrections to ad-hoc reconstruction and artifact reductions algorithms. Finally, the group investigates, creates and optimizes novel imaging modalities based on the coherent properties of synchrotron radiation and works on the transition of such work to conventional x-ray sources.

Scientific Highlights

27 November 2019
Embryology of 609 million-year old Caveasphaera. These are computer models based on X-ray tomographic microscopy of the fossils, showing the successive stages of development.

Animal embryos evolved before animals

Detailed characterization of cellular structure and development of exceptionally preserved ancient tiny fossils from South China by synchrotron based X-ray tomographic microscopy at TOMCAT led an international team of researchers from the University of Bristol and Nanjing Institute of Geology and Palaeontology to the discovery that animal-like embryos evolved long before the first animals appear in the fossil record.

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12 November 2019
Teaser Roentgenkleinwinkelstreuung

A fast and precise look into fibre-reinforced composites

Media Releases Matter and Material Research Using Synchrotron Light

Researchers at the Paul Scherrer Institute PSI have developed a new process with which fibre-reinforced composite materials can be precisely X-rayed. This could help to develop better materials with novel properties.

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22 August 2019
Sample rotation stage for high-speed tomography

World record in time-resolved tomography

Researchers from the Helmholtz Zentrum Berlin (HZB) and the TOMCAT beamline have achieved a new world record in time-resolved tomography by measuring over 200 tomographies per second during heating of an evolving aluminium metal foam.

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1 February 2019

Virtual lens improves X-ray microscopy

Media Releases Matter and Material Research Using Synchrotron Light

A method developed by PSI researchers makes X-ray images of materials even better. The researchers took a number of individual images while moving an optical lens. From these, with the help of computer algorithms, they generated one overall image.

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More highlights

News

1 September 2019

Jinqiu Xu joins the X-ray Tomography Group as a Post Doc

Jinqiu Xu will work with the team developing X-ray phase contrast CT for breast cancer diagnosis. Before coming to PSI, she worked on CT reconstruction from incomplete data at Capital Normal University (Beijing, China).

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1 February 2019
Matias Kagias

PSI Thesis Medal goes to Dr. Matias Kagias

The PSI Thesis Medal is awarded every second year to the best PhD thesis performed at the Paul Scherrer Institut. Matias received the prize for his excellent thesis entitled "Direct Self-Imaging Methods for X-ray Differential Phase and Scattering Imaging". Congratulations!

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1 November 2018
Hector Dejea

Hector Dejea receives an Outstanding Poster Presentation Award at the bMASR Conference

Hector Dejea, a PhD at TOMCAT, received an Outstanding Poster Presentation Award at the 9th bioMedical Applications of Synchrotron Radiation (bMASR2018) conference held in Beijing (China) from October 23rd till 27th 2018. He presented the latest results of his work, entitled Multiscale X-ray Phase Contrast Imaging for Assessing Cardiac Remodelling: towards in-vitro applications.

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14 September 2018
Multi-projection imaging

TOMCAT paper on hard X-ray multi-projection imaging published

The TOMCAT team in collaboration with scientists from CFEL, MaxIV and ESRF developed a method for hard X-ray multi-projection imaging, using a single crystal to split the beam into multiple beams with different directions.

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14 June 2018

Dr. Anne Bonnin gives an invited talk at SRI 2018

The 13th International Conference on Synchrotron Radiation Instrumentation (SRI 2018) was hosted by the National Synchrotron Radiation Research Center (NSRRC) from June 10 to 15, 2018. The 5-day conference was gathering scientists and engineers around the world involved in development of new concepts, techniques, and instruments related to synchrotron radiation and free electron laser research.

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1 December 2017

Arttu Miettinen joins the TOMCAT team as Post Doc

After his PhD at the University of Jyväskylä in Finnland in image analysis, Arttu will be working on the stitching and segmentation of large datasets in the framework of the Human Brain Project.

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  • TOMCAT

Contact

Prof. Dr. Marco Stampanoni
Paul Scherrer Institut
5232 Villigen-PSI
Switzerland
Telephone:
+41 56 310 4724
E-mail:
marco.stampanoni@psi.ch
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