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Conferences > CLEO_SI > 2023 > STh4P > STh4P.4

High Dose-Rate MeV Electron Beam from a Tightly-Focused Femtosecond IR Laser in Ambient Air: A Radiation Safety Issue

Simon Vallières, Jeffrey Powell, Tanner Connell, Michael Evans, Sylvain Fourmaux, Stéphane Payeur, Philippe Lassonde, François Fillion-Gourdeau, Steve MacLean, and François Légaré

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Abstract

We present a straightforward method to generate MeV-ranged, high dose-rate electrons in ambient air by tightly focusing a mJ-class femtosecond laser. The ability to reach relativistic intensities in ambient conditions leads to significant radiation safety concerns.

© 2023 The Author(s)

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