X-ray Free-Electron Lasers: Illuminating a New Path to Single Particle Imaging

Martin, A and Loh, D 2013, 'X-ray Free-Electron Lasers: Illuminating a New Path to Single Particle Imaging', Synchrotron Radiation News, vol. 26, no. 2, pp. 11-19.


Document type: Journal Article
Collection: Journal Articles

Title X-ray Free-Electron Lasers: Illuminating a New Path to Single Particle Imaging
Author(s) Martin, A
Loh, D
Year 2013
Journal name Synchrotron Radiation News
Volume number 26
Issue number 2
Start page 11
End page 19
Total pages 9
Publisher Taylor & Francis
Abstract X-ray sources are exceptional tools for studying the structure of matter down to atomic-length scales, but across a wide range of fields there are samples that have remained notoriously difficult to study, such as airborne particles, particles in solution, membrane proteins, and macromolecular complexes. The advancement of imaging techniques to address these elusive samples has been a big motivation for constructing new X-ray light sources. Fourth-generation light sources, commonly called X-ray free-electron lasers (XFELs) [1], represent a huge step forward, with upwards of nine orders of magnitude increase in peak brightness for hard X-rays. As of 2012, four such XFELs are already productively operational (in Germany [2], the U.S. [3], Japan [4], and Italy [5]), with at least five more planned for the next 10 years. These lasers produce femtosecond pulses of extremely intense coherent radiation through the positive feedback between a co-moving electron bunch and the radiation it emits when they traverse an extended undulator. This process creates remarkably strong, tunable probes that will undoubtedly change the way we examine nanoscale structure and dynamics. © 2013 Copyright Taylor and Francis Group, LLC.
Subject Condensed Matter Imaging
DOI - identifier 10.1080/08940886.2013.771069
Copyright notice © 2013 Copyright Taylor and Francis Group, LLC.
ISSN 0894-0886
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