Coherent Electron Source for Ultrafast Electron Diffraction and Imaging

Müller, Melanie; Paarmann, Alexander; Xu, Canhua; Ernstorfer, Ralph

doi:10.1051/epjconf/20134110007

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Coherent Electron Source for Ultrafast Electron Diffraction and Imaging

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Müller, Melanie
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Paarmann, Alexander
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Xu, Canhua
Physical Chemistry, Fritz Haber Institute, Max Planck Society;
Shanghai Institute of Optics and Fine Mechanics;

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Ernstorfer, Ralph
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Citation

Müller, M., Paarmann, A., Xu, C., & Ernstorfer, R. (2013). Coherent Electron Source for Ultrafast Electron Diffraction and Imaging. EPJ Web of Conferences, 41: 10007. doi:10.1051/epjconf/20134110007.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0014-3A49-9

Abstract

We numerically investigate the suitability of photoexcited nanotips as a source of coherent femtosecond single electron pulses for ultrafast surface-sensitive electron diffraction and non-destructive imaging with low-energy electrons. The experimental parameters for realizing hundred femtosecond time resolution are identified by evaluating the effects of vacuum dispersion and beam divergence on the temporal broadening of the electron wave packet during its propagation to the sample.