Generation of a train of short pulses by means of fel emission of a combed electron beam

V. Petrillo, M. Artioli, F. Ciocci, G. Dattoli, A. Petralia, C. Ronsivalle, M. Quattromini, E. Sabia, L. Giannessi, M.P. Anania, M. Bellaveglia, E. Chiadroni, D. Di Giovenale, G. Di Pirro, M. Ferrario, G. Gatti, R. Pompili, C. Vaccarezza, F. Villa, A. BacciA.R. Rossi, J.V. Rau, P. Musumeci, A. Cianchi, A. Mostacci

Research output: Contribution to conferencePaper

Abstract

We present the experimental demonstration of a novel scheme for the generation of ultrashort pulse trains based on the FEL lasing from a multi-peaked eletron energy distribution. At SPARC we generated two electron beamlets with relative energy difference larger than the FEL parameter by illuminating the cathode with a combed laser, followed by a manipulation of the longitudinal phase space by velocity bunching in the linac. The SASE FEL radiation obtained by sending such beam in the undulator is analyzed by a FROG diagnostic revealing the double-peaked spectrum and temporally modulated pulse structure. Copyright © 2013 CC-BY-3.0 and by the respective authors.
Original languageEnglish
Publication statusPublished - 2013
Externally publishedYes
Event35th International Free-Electron Laser Conference, FEL 2013 - , United States
Duration: 1 Jan 2013 → …

Conference

Conference35th International Free-Electron Laser Conference, FEL 2013
CountryUnited States
Period1/1/13 → …

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All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

Petrillo, V., Artioli, M., Ciocci, F., Dattoli, G., Petralia, A., Ronsivalle, C., ... Mostacci, A. (2013). Generation of a train of short pulses by means of fel emission of a combed electron beam. Paper presented at 35th International Free-Electron Laser Conference, FEL 2013, United States.