FLS2023 - List of Authors (Di Mitri, S.)

Paper	Title	Page
MO3A8	FERMI FEL Upgrade Plans, an Overview
	S. Di Mitri, E. Allaria, L. Badano, P. Cinquegrana, I. Cudin, G. D’Auria, M.B. Danailov, G. De Ninno, P. Delgiusto, A.A. Demidovich, D. Garzella, L. Giannessi, C. Masciovecchio, G. Penco, P. Rebernik Ribič, N. Shafqat, P. Sigalotti, C. Spezzani, L. Sturari, M. Trovò Elettra-Sincrotrone Trieste S.C.p.A., Basovizza, Italy G. De Ninno University of Nova Gorica, Nova Gorica, Slovenia L. Giannessi LNF-INFN, Frascati, Italy
	Short and long term upgrade plans of the FERMI free-electron laser facility at Elettra Sincrotrone Trieste, Italy, will be reported. They include the ongoing linear accelerator energy upgrade and the conversion of the first undulator line to echo-enabled harmonic generation. The upgrade of the second undulator line to a two stage echo-based fresh-bunch scheme is also under study.
	Slides MO3A8 [1.847 MB]
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TU4P16	Transverse Optics-based Control of the Microbunching Instability	107
	A.D. Brynes, E. Allaria, G. De Ninno, S. Di Mitri, D. Garzella, C. Spezzani Elettra-Sincrotrone Trieste S.C.p.A., Basovizza, Italy G. De Ninno University of Nova Gorica, Nova Gorica, Slovenia G. Perosa Università degli Studi di Trieste, Trieste, Italy C.-Y. Tsai HUST, Wuhan, People’s Republic of China
	A number of recent experimental and theoretical studies have investigated novel techniques for suppressing the microbunching instability in high-brightness linac-based light sources. This instability has long been studied as one of the causes of reduced longitudinal coherence in these machines, which are commonly suppressed using a laser heater. This contribution presents recent developments concerning the use of an optics-based scheme to mitigate the microbunching instability in the FERMI free-electron laser, paving the way towards reversible beam heating techniques that could improve the performance of future machines.
DOI •	reference for this paper ※ doi:10.18429/JACoW-FLS2023-TU4P16
About •	Received ※ 23 August 2023 — Revised ※ 29 August 2023 — Accepted ※ 31 August 2023 — Issued ※ 02 December 2023
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WE2A4	Scaling of Beam Collective Effects with Bunch Charge in the CompactLight Free-electron Laser
	S. Di Mitri, G. D’Auria, R.A. Rochow Elettra-Sincrotrone Trieste S.C.p.A., Basovizza, Italy M. Aicheler HIP, University of Helsinki, Finland A. Aksoy Ankara University, Accelerator Technologies Institute, Golbasi, Turkey D. Alesini, M. Diomede, M. Ferrario, A. Gallo, A. Giribono, J. Scifo, B. Spataro, C. Vaccarezza, A. Vannozzi LNF-INFN, Frascati, Italy G. Burt Lancaster University, Lancaster, United Kingdom H.M. Castañeda Cortés, J.A. Clarke, D.J. Dunning, N. Thompson STFC/DL/ASTeC, Daresbury, Warrington, Cheshire, United Kingdom J.A. Clarke, D.J. Dunning, N. Thompson Cockcroft Institute, Warrington, Cheshire, United Kingdom M. Croia ENEA Casaccia, Roma, Italy V.A. Goryashko Uppsala University, Uppsala, Sweden A. Latina, X.W. Wu, W. Wuensch CERN, Meyrin, Switzerland A. Mostacci Sapienza University of Rome, Rome, Italy F. Nguyen ENEA C.R. Frascati, Frascati (Roma), Italy
	The CompactLight European consortium is designing a state-of-the-art X-ray free-electron laser driven by radiofrequency X-band technology. Rooted in experimental data on photo-injector performance in the recent literature, this study estimates analytically and numerically the performance of the CompactLight delivery system for bunch charges in the range 75-300 pC. Space-charge forces in the injector, linac transverse wakefield, and coherent synchrotron radiation in bunch compressors are all taken into account. The study confirms efficient lasing in the soft X-rays regime with pulse energies up to hundreds of microjoules at repetition rates as high as 1 kHz.
	Slides WE2A4 [1.777 MB]
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Paper

Title

Page

MO3A8

FERMI FEL Upgrade Plans, an Overview

S. Di Mitri, E. Allaria, L. Badano, P. Cinquegrana, I. Cudin, G. D’Auria, M.B. Danailov, G. De Ninno, P. Delgiusto, A.A. Demidovich, D. Garzella, L. Giannessi, C. Masciovecchio, G. Penco, P. Rebernik Ribič, N. Shafqat, P. Sigalotti, C. Spezzani, L. Sturari, M. Trovò
Elettra-Sincrotrone Trieste S.C.p.A., Basovizza, Italy
G. De Ninno
University of Nova Gorica, Nova Gorica, Slovenia
L. Giannessi
LNF-INFN, Frascati, Italy

Short and long term upgrade plans of the FERMI free-electron laser facility at Elettra Sincrotrone Trieste, Italy, will be reported. They include the ongoing linear accelerator energy upgrade and the conversion of the first undulator line to echo-enabled harmonic generation. The upgrade of the second undulator line to a two stage echo-based fresh-bunch scheme is also under study.

Slides MO3A8 [1.847 MB]

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reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

TU4P16

Transverse Optics-based Control of the Microbunching Instability

107

A.D. Brynes, E. Allaria, G. De Ninno, S. Di Mitri, D. Garzella, C. Spezzani
Elettra-Sincrotrone Trieste S.C.p.A., Basovizza, Italy
G. De Ninno
University of Nova Gorica, Nova Gorica, Slovenia
G. Perosa
Università degli Studi di Trieste, Trieste, Italy
C.-Y. Tsai
HUST, Wuhan, People’s Republic of China

A number of recent experimental and theoretical studies have investigated novel techniques for suppressing the microbunching instability in high-brightness linac-based light sources. This instability has long been studied as one of the causes of reduced longitudinal coherence in these machines, which are commonly suppressed using a laser heater. This contribution presents recent developments concerning the use of an optics-based scheme to mitigate the microbunching instability in the FERMI free-electron laser, paving the way towards reversible beam heating techniques that could improve the performance of future machines.

DOI •

reference for this paper ※ doi:10.18429/JACoW-FLS2023-TU4P16

About •

Received ※ 23 August 2023 — Revised ※ 29 August 2023 — Accepted ※ 31 August 2023 — Issued ※ 02 December 2023

Cite •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

WE2A4

Scaling of Beam Collective Effects with Bunch Charge in the CompactLight Free-electron Laser

S. Di Mitri, G. D’Auria, R.A. Rochow
Elettra-Sincrotrone Trieste S.C.p.A., Basovizza, Italy
M. Aicheler
HIP, University of Helsinki, Finland
A. Aksoy
Ankara University, Accelerator Technologies Institute, Golbasi, Turkey
D. Alesini, M. Diomede, M. Ferrario, A. Gallo, A. Giribono, J. Scifo, B. Spataro, C. Vaccarezza, A. Vannozzi
LNF-INFN, Frascati, Italy
G. Burt
Lancaster University, Lancaster, United Kingdom
H.M. Castañeda Cortés, J.A. Clarke, D.J. Dunning, N. Thompson
STFC/DL/ASTeC, Daresbury, Warrington, Cheshire, United Kingdom
J.A. Clarke, D.J. Dunning, N. Thompson
Cockcroft Institute, Warrington, Cheshire, United Kingdom
M. Croia
ENEA Casaccia, Roma, Italy
V.A. Goryashko
Uppsala University, Uppsala, Sweden
A. Latina, X.W. Wu, W. Wuensch
CERN, Meyrin, Switzerland
A. Mostacci
Sapienza University of Rome, Rome, Italy
F. Nguyen
ENEA C.R. Frascati, Frascati (Roma), Italy

The CompactLight European consortium is designing a state-of-the-art X-ray free-electron laser driven by radiofrequency X-band technology. Rooted in experimental data on photo-injector performance in the recent literature, this study estimates analytically and numerically the performance of the CompactLight delivery system for bunch charges in the range 75-300 pC. Space-charge forces in the injector, linac transverse wakefield, and coherent synchrotron radiation in bunch compressors are all taken into account. The study confirms efficient lasing in the soft X-rays regime with pulse energies up to hundreds of microjoules at repetition rates as high as 1 kHz.

Slides WE2A4 [1.777 MB]

Cite •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)