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Showing 1 to 11 of 11 entries
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Direct measurement of the double emittance minimum in the beam dynamics of the sparc high-brightness photoinjector.

Physical review letters

Ferrario M, Alesini D, Bacci A, Bellaveglia M, Boni R, Boscolo M, Castellano M, Catani L, Chiadroni E, Cialdi S, Cianchi A, Clozza A, Cultrera L, Di Pirro G, Drago A, Esposito A, Ficcadenti L, Filippetto D, Fusco V, Gallo A, Gatti G, Ghigo A, Giannessi L, Ligi C, Mattioli M, Migliorati M, Mostacci A, Musumeci P, Pace E, Palumbo L, Pellegrino L, Petrarca M, Quattromini M, Ricci R, Ronsivalle C, Rosenzweig J, Rossi AR, Sanelli C, Serafini L, Serio M, Sgamma F, Spataro B, Tazzioli F, Tomassini S, Vaccarezza C, Vescovi M, Vicario C.
PMID: 18233375
Phys Rev Lett. 2007 Dec 07;99(23):234801. doi: 10.1103/PhysRevLett.99.234801. Epub 2007 Dec 06.

In this Letter we report the first experimental observation of the double emittance minimum effect in the beam dynamics of high-brightness electron beam generation by photoinjectors; this effect, as predicted by the theory, is crucial in achieving minimum emittance...

High-order-harmonic generation and superradiance in a seeded free-electron laser.

Physical review letters

Giannessi L, Artioli M, Bellaveglia M, Briquez F, Chiadroni E, Cianchi A, Couprie ME, Dattoli G, Di Palma E, Di Pirro G, Ferrario M, Filippetto D, Frassetto F, Gatti G, Labat M, Marcus G, Mostacci A, Petralia A, Petrillo V, Poletto L, Quattromini M, Rau JV, Rosenzweig J, Sabia E, Serluca M, Spassovsky I, Surrenti V.
PMID: 22680723
Phys Rev Lett. 2012 Apr 20;108(16):164801. doi: 10.1103/PhysRevLett.108.164801. Epub 2012 Apr 19.

Higher order harmonic generation in a free-electron laser amplifier operating in the superradiant regime [R. H. Dicke, Phys. Rev. 93, 99 (1954).] has been observed. Superradiance has been induced by seeding a single-pass amplifier with the second harmonic of...

Observation of time-domain modulation of free-electron-laser pulses by multipeaked electron-energy spectrum.

Physical review letters

Petrillo V, Anania MP, Artioli M, Bacci A, Bellaveglia M, Chiadroni E, Cianchi A, Ciocci F, Dattoli G, Di Giovenale D, Di Pirro G, Ferrario M, Gatti G, Giannessi L, Mostacci A, Musumeci P, Petralia A, Pompili R, Quattromini M, Rau JV, Ronsivalle C, Rossi AR, Sabia E, Vaccarezza C, Villa F.
PMID: 24074094
Phys Rev Lett. 2013 Sep 13;111(11):114802. doi: 10.1103/PhysRevLett.111.114802. Epub 2013 Sep 13.

We present the experimental demonstration of a new scheme for the generation of ultrashort pulse trains based on free-electron-laser (FEL) emission from a multipeaked electron energy distribution. Two electron beamlets with energy difference larger than the FEL parameter ρ...

Superradiant cascade in a seeded free-electron laser.

Physical review letters

Giannessi L, Bellaveglia M, Chiadroni E, Cianchi A, Couprie ME, Del Franco M, Di Pirro G, Ferrario M, Gatti G, Labat M, Marcus G, Mostacci A, Petralia A, Petrillo V, Quattromini M, Rau JV, Spampinati S, Surrenti V.
PMID: 25166168
Phys Rev Lett. 2013 Jan 25;110(4):044801. doi: 10.1103/PhysRevLett.110.044801. Epub 2013 Jan 23.

We report measurements demonstrating the concept of the free-electron laser (FEL) superradiant cascade. Radiation (λ(rad) = 200 nm) at the second harmonic of a short, intense seed laser pulse (λ(seed) = 400 nm) was generated by the cascaded FEL...

Focusing of High-Brightness Electron Beams with Active-Plasma Lenses.

Physical review letters

Pompili R, Anania MP, Bellaveglia M, Biagioni A, Bini S, Bisesto F, Brentegani E, Cardelli F, Castorina G, Chiadroni E, Cianchi A, Coiro O, Costa G, Croia M, Di Giovenale D, Ferrario M, Filippi F, Giribono A, Lollo V, Marocchino A, Marongiu M, Martinelli V, Mostacci A, Pellegrini D, Piersanti L, Di Pirro G, Romeo S, Rossi AR, Scifo J, Shpakov V, Stella A, Vaccarezza C, Villa F, Zigler A.
PMID: 30411933
Phys Rev Lett. 2018 Oct 26;121(17):174801. doi: 10.1103/PhysRevLett.121.174801.

Plasma-based technology promises a tremendous reduction in size of accelerators used for research, medical, and industrial applications, making it possible to develop tabletop machines accessible for a broader scientific community. By overcoming current limits of conventional accelerators and pushing...

Experimental demonstration of emittance compensation with velocity bunching.

Physical review letters

Ferrario M, Alesini D, Bacci A, Bellaveglia M, Boni R, Boscolo M, Castellano M, Chiadroni E, Cianchi A, Cultrera L, Di Pirro G, Ficcadenti L, Filippetto D, Fusco V, Gallo A, Gatti G, Giannessi L, Labat M, Marchetti B, Marrelli C, Migliorati M, Mostacci A, Pace E, Palumbo L, Quattromini M, Ronsivalle C, Rossi AR, Rosenzweig J, Serafini L, Serluca M, Spataro B, Vaccarezza C, Vicario C.
PMID: 20366769
Phys Rev Lett. 2010 Feb 05;104(5):054801. doi: 10.1103/PhysRevLett.104.054801. Epub 2010 Feb 05.

In this Letter we report the first experiments aimed at the simultaneous demonstration of the emittance compensation process and velocity bunching in a high brightness electron source, the SPARC photoinjector in INFN-LNF. While a maximum compression ratio up to...

Self-amplified spontaneous emission free-electron laser with an energy-chirped electron beam and undulator tapering.

Physical review letters

Giannessi L, Bacci A, Bellaveglia M, Briquez F, Castellano M, Chiadroni E, Cianchi A, Ciocci F, Couprie ME, Cultrera L, Dattoli G, Filippetto D, Del Franco M, Di Pirro G, Ferrario M, Ficcadenti L, Frassetto F, Gallo A, Gatti G, Labat M, Marcus G, Moreno M, Mostacci A, Pace E, Petralia A, Petrillo V, Poletto L, Quattromini M, Rau JV, Ronsivalle C, Rosenzweig J, Rossi AR, Rossi Albertini V, Sabia E, Serluca M, Spampinati S, Spassovsky I, Spataro B, Surrenti V, Vaccarezza C, Vicario C.
PMID: 21561195
Phys Rev Lett. 2011 Apr 08;106(14):144801. doi: 10.1103/PhysRevLett.106.144801. Epub 2011 Apr 05.

We report the first experimental implementation of a method based on simultaneous use of an energy chirp in the electron beam and a tapered undulator, for the generation of ultrashort pulses in a self-amplified spontaneous emission mode free-electron laser...

Longitudinal Phase-Space Manipulation with Beam-Driven Plasma Wakefields.

Physical review letters

Shpakov V, Anania MP, Bellaveglia M, Biagioni A, Bisesto F, Cardelli F, Cesarini M, Chiadroni E, Cianchi A, Costa G, Croia M, Del Dotto A, Di Giovenale D, Diomede M, Ferrario M, Filippi F, Giribono A, Lollo V, Marongiu M, Martinelli V, Mostacci A, Piersanti L, Di Pirro G, Pompili R, Romeo S, Scifo J, Vaccarezza C, Villa F, Zigler A.
PMID: 30951354
Phys Rev Lett. 2019 Mar 22;122(11):114801. doi: 10.1103/PhysRevLett.122.114801.

The development of compact accelerator facilities providing high-brightness beams is one of the most challenging tasks in the field of next-generation compact and cost affordable particle accelerators, to be used in many fields for industrial, medical, and research applications....

High-gain harmonic-generation free-electron laser seeded by harmonics generated in gas.

Physical review letters

Labat M, Bellaveglia M, Bougeard M, Carré B, Ciocci F, Chiadroni E, Cianchi A, Couprie ME, Cultrera L, Del Franco M, Di Pirro G, Drago A, Ferrario M, Filippetto D, Frassetto F, Gallo A, Garzella D, Gatti G, Giannessi L, Lambert G, Mostacci A, Petralia A, Petrillo V, Poletto L, Quattromini M, Rau JV, Ronsivalle C, Sabia E, Serluca M, Spassovsky I, Surrenti V, Vaccarezza C, Vicario C.
PMID: 22182029
Phys Rev Lett. 2011 Nov 25;107(22):224801. doi: 10.1103/PhysRevLett.107.224801. Epub 2011 Nov 22.

The injection of a seed in a free-electron laser (FEL) amplifier reduces the saturation length and improves the longitudinal coherence. A cascaded FEL, operating in the high-gain harmonic-generation regime, allows us to extend the beneficial effects of the seed...

Characterization of the THz radiation source at the Frascati linear accelerator.

The Review of scientific instruments

Chiadroni E, Bellaveglia M, Calvani P, Castellano M, Catani L, Cianchi A, Di Pirro G, Ferrario M, Gatti G, Limaj O, Lupi S, Marchetti B, Mostacci A, Pace E, Palumbo L, Ronsivalle C, Pompili R, Vaccarezza C.
PMID: 23464185
Rev Sci Instrum. 2013 Feb;84(2):022703. doi: 10.1063/1.4790429.

The linac driven coherent THz radiation source at the SPARC-LAB test facility is able to deliver broadband THz pulses with femtosecond shaping. In addition, high peak power, narrow spectral bandwidth THz radiation can be also generated, taking advantage of...

Strong nonlinear terahertz response induced by Dirac surface states in Bi2Se3 topological insulator.

Nature communications

Giorgianni F, Chiadroni E, Rovere A, Cestelli-Guidi M, Perucchi A, Bellaveglia M, Castellano M, Di Giovenale D, Di Pirro G, Ferrario M, Pompili R, Vaccarezza C, Villa F, Cianchi A, Mostacci A, Petrarca M, Brahlek M, Koirala N, Oh S, Lupi S.
PMID: 27113395
Nat Commun. 2016 Apr 26;7:11421. doi: 10.1038/ncomms11421.

Electrons with a linear energy/momentum dispersion are called massless Dirac electrons and represent the low-energy excitations in exotic materials such as graphene and topological insulators. Dirac electrons are characterized by notable properties such as a high mobility, a tunable...

Showing 1 to 11 of 11 entries