Publication

International consortium on phase contrast imaging and radiology beamline at the Pohang Light Source

Giorgio Margaritondo
2004
Journal Articles

Résumé

We describe the general characteristics and the first result of a new synchrotron beamline at the Pohang Light Source in Korea. The beamline, operated by a Korean-Taiwanese-Swiss consortium, is dedicated to microimaging experiment in real time with coherent x rays. The performances of the first tests already reach excellent levels when compared to other similar facilities worldwide. The key feature is the use of unmonochromatized x rays to achieve very high lateral and time resolution. (C) 2004 American Institute of Physics.

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https://infoscience.epfl.ch/entities/publication/17aab007-6e3b-49cf-aef4-20dec61686d9

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Giorgio Margaritondo
2004
Journal Articles

Résumé

Source officielle

https://infoscience.epfl.ch/entities/publication/17aab007-6e3b-49cf-aef4-20dec61686d9

À propos de ce résultat

Concepts associés (14)

Beamline

In accelerator physics, a beamline refers to the trajectory of the beam of particles, including the overall construction of the path segment (guide tubes, diagnostic devices) along a specific path of an accelerator facility. This part is either the line in a linear accelerator along which a beam of particles travels, or the path leading from particle generator (e.g. a cyclic accelerator, synchrotron light sources, cyclotrons, or spallation sources) to the experimental end-station.

Synchrotron light source

A synchrotron light source is a source of electromagnetic radiation (EM) usually produced by a storage ring, for scientific and technical purposes. First observed in synchrotrons, synchrotron light is now produced by storage rings and other specialized particle accelerators, typically accelerating electrons. Once the high-energy electron beam has been generated, it is directed into auxiliary components such as bending magnets and insertion devices (undulators or wigglers) in storage rings and free electron lasers.

Phase-contrast imaging

Phase-contrast imaging is a method of that has a range of different applications. It measures differences in the refractive index of different materials to differentiate between structures under analysis. In conventional light microscopy, phase contrast can be employed to distinguish between structures of similar transparency, and to examine crystals on the basis of their double refraction. This has uses in biological, medical and geological science.

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Publications associées (2)

International consortium on phase contrast imaging and radiology beamline at the Pohang Light Source

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Digital holographic microscopy at fundamental and second harmonic wavelengths

Towards structural dynamics research with ultrashort pulse lasers and synchrotron radiation