Bright Subcycle Extreme Ultraviolet Bursts from a Single Dense Relativistic Electron Sheet

W. J. Ma, J. H. Bin, H. Y. Wang, M. Yeung, C. Kreuzer, M. Streeter, P. S. Foster, S. Cousens, D. Kiefer, B. Dromey, X. Q. Yan, J. Meyer-Ter-Vehn, M. Zepf, J. Schreiber

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Abstract

Double-foil targets separated by a low density plasma and irradiated by a petawatt-class laser are shown to be a copious source of coherent broadband radiation. Simulations show that a dense sheet of relativistic electrons is formed during the interaction of the laser with the tenuous plasma between the two foils. The coherent motion of the electron sheet as it transits the second foil results in strong broadband emission in the extreme ultraviolet, consistent with our experimental observations.

Original languageEnglish
Article number235002
Number of pages5
JournalPhysical Review Letters
Volume113
Issue number23
DOIs
Publication statusPublished - 03 Dec 2014

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    Ma, W. J., Bin, J. H., Wang, H. Y., Yeung, M., Kreuzer, C., Streeter, M., Foster, P. S., Cousens, S., Kiefer, D., Dromey, B., Yan, X. Q., Meyer-Ter-Vehn, J., Zepf, M., & Schreiber, J. (2014). Bright Subcycle Extreme Ultraviolet Bursts from a Single Dense Relativistic Electron Sheet. Physical Review Letters, 113(23), [235002]. https://doi.org/10.1103/PhysRevLett.113.235002