期刊
OPTICS EXPRESS
卷 19, 期 16, 页码 15506-15515出版社
Optica Publishing Group
DOI: 10.1364/OE.19.015506
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资金
- Deutsche Forschungsgemeinschaft [WO 558/13-1]
- European Research Council under the European Unions [FP7/2007-2013, 247051]
We report the first implementation of the rotating-crystal method in femtosecond X-ray diffraction. Applying a pump-probe scheme with 100 fs hard X-ray probe pulses from a laser-driven plasma source, the novel technique is demonstrated by mapping structural dynamics of a photoexcited bismuth crystal via changes of the diffracted intensity on a multitude of Bragg reflections. The method is compared to femtosecond powder diffraction and to Bragg diffraction from a crystal with stationary orientation. (c) 2011 Optical Society of America
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