Mitigation of the microbunching instability through transverse Landau damping

Autor: A. D. Brynes, G. Perosa, C.-Y. Tsai, E. Allaria, L. Badano, G. De Ninno, E. Ferrari, D. Garzella, L. Giannessi, G. Penco, P. Rebernik Ribič, E. Roussel, S. Spampinati, C. Spezzani, M. Trovò, M. Veronese, S. Di Mitri

Publikováno v: Physical Review Accelerators and Beams, Vol 27, Iss 7, p 074402 (2024)

The microbunching instability has been a long-standing issue for high-brightness free-electron lasers (FELs) and is a significant showstopper to achieve full longitudinal coherence in the x-ray regime. This paper reports the first experimental demons

Externí odkaz: https://doaj.org/article/cf63832105054e55beabc5a742013b04

Single-shot transverse coherence in seeded and unseeded free-electron lasers: A comparison

Autor: M. Pop, E. Allaria, F. Curbis, G. Geloni, M. Manfredda, S. Di Mitri, L. Foglia, D. Garzella, L. Giannessi, B. Mahieu, N. Mahne, N. Mirian, G. Penco, G. Perosa, P. R. Ribič, A. Simoncig, S. Spampinati, C. Spezzani, M. Trovò, S. Werin, M. Zangrando, G. De Ninno

Publikováno v: Physical Review Accelerators and Beams, Vol 25, Iss 4, p 040701 (2022)

The advent of x-ray free-electron lasers (FELs) drastically enhanced the capabilities of several analytical techniques, for which the degree of transverse (spatial) coherence of the source is essential. FELs can be operated in self-amplified spontane

Externí odkaz: https://doaj.org/article/49c731cdf2364b8191833a3ca75f5475

Free electron laser and microwave instability interplay in a storage ring

Autor: G. L. Orlandi, C. Bruni, D. Garzella, M. E. Couprie, C. Thomas, R. Bartolini, C. Rippon, G. Dattoli

Publikováno v: Physical Review Special Topics. Accelerators and Beams, Vol 7, Iss 6, p 060701 (2004)

Collective effects, such as the microwave instability, influence the longitudinal dynamics of an electron beam in a storage ring. In a storage ring free electron laser (FEL) they can compete with the induced beam heating and thus be treated as a furt

Externí odkaz: https://doaj.org/article/d76edf587b7c404c80c8a86c9eb093ec

Photoemission studies of yttrium photocathodes by using the visible radiation

Autor: A. Lorusso, M. B. Danailov, Massimo Ferrario, Sultan B. Dabagov, J. Scifo, Enrica Chiadroni, Paolo Cinquegrana, A. Perrone, D. Garzella, Dariush Hampai, M. Trovo, Alexander Demidovich, Anna Giribono

Publikováno v: Phys.Rev.Accel.Beams
Phys.Rev.Accel.Beams, 2020, 23 (12), pp.123401. ⟨10.1103/PhysRevAccelBeams.23.123401⟩
Physical Review Accelerators and Beams, Vol 23, Iss 12, p 123401 (2020)

The present work reports on Yttrium based photocathodes. A Yttrium (Y) thin film is deposited via pulsed laser deposition (PLD) on the copper (Cu) back flange of a radio frequency (rf) gun for photocathode application. Because of a lower work functio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d1e10d64da943b88d17ead4a2868d331
https://hal.science/hal-03191161

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