EPJ Web Conf.
Volume 205, 2019XXI International Conference on Ultrafast Phenomena 2018 (UP 2018)
|Number of page(s)||3|
|Section||New Methods in Spectroscopy|
|Published online||16 April 2019|
Direct imaging of ultrafast electron dynamics by X-ray sum frequency generation
Department of Chemistry and Department of Physics and Astronomy, University of California, Irvine, CA 92697, USA
Published online: 16 April 2019
We present a nonlinear X-ray technique which provides a spatial electron density image of valence electron excitations. The technique combines a visible pump and an X-ray pulse and yields snapshots of the transition charge densities.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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