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Instruments / Technical Area	Publication Details	Published	Actions
	Ultrafast single-shot diffraction imaging of nanoscale dynamics Anton Barty , Sébastien Boutet , Michael J. Bogan , Stefan Hau-Riege , Stefano Marchesini , Klaus Sokolowski-Tinten , Nikola Stojanovic , Raanan Tobey , Henri Ehrke , Andrea Cavalleri , Stefan Düsterer , Matthias Frank , Sasa Bajt , Bruce W. Woods , M. Marvin Seibert , Janos Hajdu , Rolf Treusch , Henry N. Chapman Nature Photonics 2 (7), 415-419 DOI: 10.1038/nphoton.2008.128 Show Abstract ▼ Abstract: The transient nanoscale dynamics of materials on femtosecond to picosecond timescales is of great interest in the study of condensed phase dynamics such as crack formation, phase separation and nucleation, and rapid fluctuations in the liquid state or in biologically relevant environments. The ability to take images in a single shot is the key to studying non-repetitive behaviour mechanisms, a capability that is of great importance in many of these problems. Using coherent diffraction imaging with femtosecond X-ray free-electron-laser pulses we capture time-series snapshots of a solid as it evolves on the ultrafast timescale. Artificial structures imprinted on a Si3N4 window are excited with an optical laser and undergo laser ablation, which is imaged with a spatial resolution of 50 nm and a temporal resolution of 10 ps. By using the shortest available free-electron-laser wavelengths1 and proven synchronization methods2 this technique could be extended to spatial resolutions of a few nanometres and temporal resolutions of a few tens of femtoseconds. This experiment opens the door to a new regime of time-resolved experiments in mesoscopic dynamics.	Jun 2008
Controls	Use of industrial control solutions in the Diamond project M. T. Heron , K. A. R. Baker , P. D. Woods , S. Lay ICALEPCS 2003 Show Abstract ▼ Abstract: Whilst the Diamond control system is based on the EPICS control system toolkit, significant use is being made of industrial controllers and control system solutions procured from industry. The choice and implementation of the industrial controllers are presented, together with the approach to procuring control systems from industry that use both industrial controllers and EPICS.	Oct 2003

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Ultrafast single-shot diffraction imaging of nanoscale dynamics