Abstract

We demonstrate laser-driven acceleration of electrons to MeV-scale energies at 1 kHz repetition rate using <10  mJ pulses focused on near-critical density He and H2 gas jets. Using the H2 gas jet, electron acceleration to 0.5  MeV in 10  fC bunches was observed with laser pulse energy as low as 1.3 mJ. Increasing the pulse energy to 10 mJ, we measure 1  pC charge bunches with >1  MeV energy for both He and H2 gas jets.

© 2017 Optical Society of America

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Corrections

F. Salehi, A. J. Goers, G. A. Hine, L. Feder, D. Kuk, B. Miao, D. Woodbury, K. Y. Kim, and H. M. Milchberg, "MeV electron acceleration at 1  kHz with <10  mJ laser pulses: erratum," Opt. Lett. 43, 1610-1610 (2018)
https://www.osapublishing.org/ol/abstract.cfm?uri=ol-43-7-1610

13 March 2018: A correction was made to the funding section.


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