Risultati scientifici

Intense proton acceleration in ultrarelativistic interaction with nanochannels

Anno: 2020

Autori: Gizzi LA., Cristoforetti G.,1, Baffigi F., Brandi F., D’Arrigo G., Fazzi A., Fulgentini L., Giove D., Koester P., Labate L., Maero G., Palla D., Romé M., Russo M., Terzani D., Tomassini P.

Affiliazione autori: 1ILIL, Istituto Nazionale di Ottica, CNR, Pisa, Italy
2INFN, Sezione di Pisa, Pisa, Italy
3Istituto per la Microelettronica e Microsistemi, CNR, Catania, Italy
4Dipartimento di Energia, Politecnico di Milano, Milan, Italy
5INFN, Sezione di Milano, Milan, Italy
6Dipartimento di Fisica, Universitá degli Studi di Milano, Milan, Italy

Abstract: We show that both the flux and the cutoff energy of protons accelerated by ultraintense lasers can be
simultaneously increased when using targets consisting of thin layers of bundled nanochannels. Particle-in-cell
simulations suggest that the propagation of an electromagnetic field in the subwavelength channels occurs via
excitation of surface plasmon polaritons that travel in the channels down to the end of the target, sustaining
continuous and efficient electron acceleration and boosting acceleration of protons via enhancement of the target
normal sheath acceleration mechanism.

Giornale/Rivista: PHYSICAL REVIEW RESEARCH

Volume: 2 (3)      Da Pagina: 033451-1  A: 033451-6

Parole chiavi: relativistic laser, ion acceleration, plasmonics, nanostructured targets
DOI: 10.1103/PhysRevResearch.2.033451

Citazioni: 6
dati da “WEB OF SCIENCE” (of Thomson Reuters) aggiornati al: 2021-09-19
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