15–16 Sept 2011
Paul Scherrer Institut, Villigen, Switzerland
Europe/Zurich timezone

Nanotomographic Imaging at TOMCAT

15 Sept 2011, 12:49
2m
WSLA - Foyer (Paul Scherrer Institut, Villigen, Switzerland)

WSLA - Foyer

Paul Scherrer Institut, Villigen, Switzerland

Board: 9
Poster Poster Session I (Thursday) Poster session I and lunch

Speaker

Prof. Marco Stampanoni (Paul Scherrer Institut)

Description

Synchrotron-based full-field tomographic microscopy established itself as a tool for non-invasive investigations. Many beamlines worldwide routinely achieve micrometer spatial resolution while the isotropic 100 nm barrier is reached and trespassed only by few instruments, mainly in the soft X-ray regime. We present an X-ray, full field microscope with tomographic capabilities operating at 10 keV and with a 3D isotropic resolution of 144 nm recently installed at the TOMCAT beamline of the Swiss Light Source. Custom optical components including a beamshaping condenser and phase-shifting dot arrays were used to obtain an ideal, aperture-matched sample illumination and very sensitive phase contrast imaging. The instrument has been successfully used for the non-destructive, volumetric investigation of single, unstained cells, bacteria and other biological samples. The instrument also performs well when dealing with material science specimen, like fresh cement pastes and similar.

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Primary author

Prof. Marco Stampanoni (Paul Scherrer Institut)

Co-authors

Dr Federica Marone (Paul Scherrer Institut) Dr Luca Quaroni (Paul Scherrer Institut) Dr Pavel Trtik (EMPA) Dr Rajmund Mokso (Paul Scherrer Institut) Dr Sarah Irvine (University of Lausanne)

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