Dynamics of electric fields driving the laser acceleration of multi-MeV protons

L. Romagnani; J. Fuchs; Marco Borghesi; P. Antici; P. Audebert; F. Ceccherini; T. Cowan; T. Grismayer; Satyabrata Kar; A. Macchi; P. Mora; G. Pretzler; A. Schiavi; T. Toncian; O. Willi

doi:10.1103/PhysRevLett.95.195001

Dynamics of electric fields driving the laser acceleration of multi-MeV protons

L. Romagnani, J. Fuchs, Marco Borghesi, P. Antici, P. Audebert, F. Ceccherini, T. Cowan, T. Grismayer, Satyabrata Kar, A. Macchi, P. Mora, G. Pretzler, A. Schiavi, T. Toncian, O. Willi

Research output: Contribution to journal › Article › peer-review

225 Citations (Scopus)

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Abstract

The acceleration of multi-MeV protons from the rear surface of thin solid foils irradiated by an intense (similar to 10(18) W/cm(2)) and short (similar to 1.5 ps) laser pulse has been investigated using transverse proton probing. The structure of the electric field driving the expansion of the proton beam has been resolved with high spatial and temporal resolution. The main features of the experimental observations, namely, an initial intense sheath field and a late time field peaking at the beam front, are consistent with the results from particle-in-cell and fluid simulations of thin plasma expansion into a vacuum.

Original language	English
Article number	195001
Pages (from-to)	195001-195001-4
Number of pages	194998
Journal	Physical Review Letters
Volume	95
Issue number	19
DOIs	https://doi.org/10.1103/PhysRevLett.95.195001
Publication status	Published - 04 Oct 2005

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1103/PhysRevLett.95.195001

Dynamics of Electric Fields Driving the Laser Acceleration of Multi-MeV ProtonsFinal published version, 276 KB

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Romagnani, L., Fuchs, J., Borghesi, M., Antici, P., Audebert, P., Ceccherini, F., Cowan, T., Grismayer, T., Kar, S., Macchi, A., Mora, P., Pretzler, G., Schiavi, A., Toncian, T., & Willi, O. (2005). Dynamics of electric fields driving the laser acceleration of multi-MeV protons. Physical Review Letters, 95(19), 195001-195001-4. [195001]. https://doi.org/10.1103/PhysRevLett.95.195001

Romagnani, L. ; Fuchs, J. ; Borghesi, Marco ; Antici, P. ; Audebert, P. ; Ceccherini, F. ; Cowan, T. ; Grismayer, T. ; Kar, Satyabrata ; Macchi, A. ; Mora, P. ; Pretzler, G. ; Schiavi, A. ; Toncian, T. ; Willi, O. / Dynamics of electric fields driving the laser acceleration of multi-MeV protons. In: Physical Review Letters. 2005 ; Vol. 95, No. 19. pp. 195001-195001-4.

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abstract = "The acceleration of multi-MeV protons from the rear surface of thin solid foils irradiated by an intense (similar to 10(18) W/cm(2)) and short (similar to 1.5 ps) laser pulse has been investigated using transverse proton probing. The structure of the electric field driving the expansion of the proton beam has been resolved with high spatial and temporal resolution. The main features of the experimental observations, namely, an initial intense sheath field and a late time field peaking at the beam front, are consistent with the results from particle-in-cell and fluid simulations of thin plasma expansion into a vacuum.",

author = "L. Romagnani and J. Fuchs and Marco Borghesi and P. Antici and P. Audebert and F. Ceccherini and T. Cowan and T. Grismayer and Satyabrata Kar and A. Macchi and P. Mora and G. Pretzler and A. Schiavi and T. Toncian and O. Willi",

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Romagnani, L, Fuchs, J, Borghesi, M, Antici, P, Audebert, P, Ceccherini, F, Cowan, T, Grismayer, T, Kar, S, Macchi, A, Mora, P, Pretzler, G, Schiavi, A, Toncian, T & Willi, O 2005, 'Dynamics of electric fields driving the laser acceleration of multi-MeV protons', Physical Review Letters, vol. 95, no. 19, 195001, pp. 195001-195001-4. https://doi.org/10.1103/PhysRevLett.95.195001

Dynamics of electric fields driving the laser acceleration of multi-MeV protons. / Romagnani, L.; Fuchs, J.; Borghesi, Marco; Antici, P.; Audebert, P.; Ceccherini, F.; Cowan, T.; Grismayer, T.; Kar, Satyabrata; Macchi, A.; Mora, P.; Pretzler, G.; Schiavi, A.; Toncian, T.; Willi, O.

In: Physical Review Letters, Vol. 95, No. 19, 195001, 04.10.2005, p. 195001-195001-4.

Research output: Contribution to journal › Article › peer-review

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T1 - Dynamics of electric fields driving the laser acceleration of multi-MeV protons

AU - Romagnani, L.

AU - Fuchs, J.

AU - Borghesi, Marco

AU - Antici, P.

AU - Audebert, P.

AU - Ceccherini, F.

AU - Cowan, T.

AU - Grismayer, T.

AU - Kar, Satyabrata

AU - Macchi, A.

AU - Mora, P.

AU - Pretzler, G.

AU - Schiavi, A.

AU - Toncian, T.

AU - Willi, O.

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AB - The acceleration of multi-MeV protons from the rear surface of thin solid foils irradiated by an intense (similar to 10(18) W/cm(2)) and short (similar to 1.5 ps) laser pulse has been investigated using transverse proton probing. The structure of the electric field driving the expansion of the proton beam has been resolved with high spatial and temporal resolution. The main features of the experimental observations, namely, an initial intense sheath field and a late time field peaking at the beam front, are consistent with the results from particle-in-cell and fluid simulations of thin plasma expansion into a vacuum.

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JF - Physical Review Letters

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IS - 19

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Dynamics of electric fields driving the laser acceleration of multi-MeV protons

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