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arXiv · 2502.02540

Shot-to-shot acquisition ultrafast electron diffraction

Remi Claude·Michele Puppin·Bruce Weaver·Paolo Usai·Thomas LaGrange·Fabrizio Carbone
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Abstract

We demonstrate a novel shot-to-shot acquisition method for optical pump - keV electron energy probe in ultrafast scattering experiments. We integrate a phase-locked acquisition scheme at a repetition rate of 20kHz in a conventional ultrafast electron diffraction (UED) setup. We proceed to a full characterization of the noise level in different configurations and for realistic scenarios. The shot-to-shot acquisition improves the signal-to-noise ratio (SNR) by one order of magnitude and can be readily implemented in other high-repetition rate electron diffraction and spectroscopy setups.

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Remi Claude, Michele Puppin, Bruce Weaver, Paolo Usai, Thomas LaGrange, Fabrizio Carbone. 2025-02-04. Shot-to-shot acquisition ultrafast electron diffraction. https://doi.org/10.1063/4.0000775

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