Large-bandwidth two-color free-electron laser driven by a comb-like electron beam

C. Ronsivalle; M.P. Anania; A. Bacci; M. Bellaveglia; E. Chiadroni; A. Cianchi; Franco Ciocci; G. Dattoli; D. Di Giovenale; G. Di Pirro; M. Ferrario; G. Gatti; Luca Giannessi; A. Mostacci; P. Musumeci; Luigi Palumbo; A. Petralia; V. Petrillo; R. Pompili; Julietta V. Rau; Andrea Renato Rossi; C. Vaccarezza; F. Villa

doi:10.1088/1367-2630/16/3/033018

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Abstract

We discuss a two-color SASE free-electron laser (FEL) amplifier where the time and energy separation of two separated radiation pulses are controlled by manipulation of the electron beam phase space. Two electron beamlets with adjustable time and energy spacing are generated in an RF photo-injector illuminating the cathode with a comb-like laser pulse followed by RF compression in the linear accelerator. We review the electron beam manipulation technique to generate bunches with time and energy properties suitable for driving two-color FEL radiation. Experimental measurements at the SPARC-LAB facility illustrate the flexibility of the scheme for the generation of two-color FEL spectra.

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Ronsivalle et al. (2014) studied this question.

synapsesocial.com/papers/6adc695d807e455b48ce4f4c https://doi.org/10.1088/1367-2630/16/3/033018

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Large-bandwidth two-color free-electron laser driven by a comb-like electron beam

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Large-bandwidth two-color free-electron laser driven by a comb-like electron beam

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