LINAC2022 - Classification: Beam dynamics, extreme beams, sources and beam related technologies / Other beams

Paper

Title

Page

FACET-II

631

C.I. Clarke, J.M. Allen, L.E. Alsberg, A.L. Edelen, H.E. Ekerfelt, C. Emma, E. Gerstmayr, S.J. Gessner, C. Hast, M.J. Hogan, M.D. Litos, R. Loney, S. Meuren, S.A. Miskovich, B.D. O’Shea, M. Parker, D.A. Reis, D.W. Storey, R. Watt, G. Yocky
SLAC, Menlo Park, California, USA
R. Ariniello, C.E. Doss, V. Lee
CIPS, Boulder, Colorado, USA
G.J. Cao
University of Oslo, Oslo, Norway
S. Corde, A. Knetsch, P. San Miguel Claveria
LOA, Palaiseau, France
C.E. Hansel
Colorado University at Boulder, Boulder, Colorado, USA
C. Joshi, K.A. Marsh, Z. Nie, C. Zhang
UCLA, Los Angeles, California, USA
J. Wang
UNL, Lincoln, Nebraska, USA

Funding: This work performed under DOE Contract DE-AC02-76SF00515 and also supported under FES Award DE-SC0020076.
FACET-II is a National User Facility at SLAC National Accelerator Laboratory providing 10 GeV electron beams with um-rad normalised emittance and peak currents exceeding 100 kA . FACET-II operates as a National User Facility while engaging a broad User community to develop and execute experimental proposals that advance the development of plasma wakefield accelerators. FACET-II is currently commissioned and has started with first experiments. The special features of FACET-II will be shown and first results from the experiments.

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reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2022-WE1AA03

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Received ※ 20 August 2022 — Revised ※ 23 August 2022 — Accepted ※ 01 September 2022 — Issue date ※ 04 September 2022

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FR2AA01

Exponential Growth of Radiation in an EUV FEL Driven by an Electron Beam Generated in a Plasma Wakefield Accelerator

L. Giannessi
LNF-INFN, Frascati, Italy

Exponential gain of extreme ultraviolet radiation at 27 nm was observed in a free-electron laser (FEL) driven by the electron beam generated in a laser-driven plasma wake-field accelerator at SIOM (China, Shanghai). This experiment, showing that the quality of the beam generated in the laser plasma accelerator is sufficient to sustain amplification in a FEL, represents a long awaited fundamental milestone. In addition, more recently a first demonstration of FEL exponential gain was also achieved in a beam-driven plasma accelerator at a wavelength of 830 nm at INFN (Frascati, Italy). The performances of these FELs cannot match those available in existing FEL facilities. However, these experiments represent a technological breakthrough and pave the way for FELs driven by extremely compact accelerators.

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Paper	Title	Page
WE1AA03	FACET-II	631
	C.I. Clarke, J.M. Allen, L.E. Alsberg, A.L. Edelen, H.E. Ekerfelt, C. Emma, E. Gerstmayr, S.J. Gessner, C. Hast, M.J. Hogan, M.D. Litos, R. Loney, S. Meuren, S.A. Miskovich, B.D. O’Shea, M. Parker, D.A. Reis, D.W. Storey, R. Watt, G. Yocky SLAC, Menlo Park, California, USA R. Ariniello, C.E. Doss, V. Lee CIPS, Boulder, Colorado, USA G.J. Cao University of Oslo, Oslo, Norway S. Corde, A. Knetsch, P. San Miguel Claveria LOA, Palaiseau, France C.E. Hansel Colorado University at Boulder, Boulder, Colorado, USA C. Joshi, K.A. Marsh, Z. Nie, C. Zhang UCLA, Los Angeles, California, USA J. Wang UNL, Lincoln, Nebraska, USA
	Funding: This work performed under DOE Contract DE-AC02-76SF00515 and also supported under FES Award DE-SC0020076. FACET-II is a National User Facility at SLAC National Accelerator Laboratory providing 10 GeV electron beams with um-rad normalised emittance and peak currents exceeding 100 kA . FACET-II operates as a National User Facility while engaging a broad User community to develop and execute experimental proposals that advance the development of plasma wakefield accelerators. FACET-II is currently commissioned and has started with first experiments. The special features of FACET-II will be shown and first results from the experiments.

	please see instructions how to view/control embeded videos
	Slides WE1AA03 [6.471 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2022-WE1AA03
About •	Received ※ 20 August 2022 — Revised ※ 23 August 2022 — Accepted ※ 01 September 2022 — Issue date ※ 04 September 2022
Cite •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

FR2AA01	Exponential Growth of Radiation in an EUV FEL Driven by an Electron Beam Generated in a Plasma Wakefield Accelerator
	L. Giannessi LNF-INFN, Frascati, Italy
	Exponential gain of extreme ultraviolet radiation at 27 nm was observed in a free-electron laser (FEL) driven by the electron beam generated in a laser-driven plasma wake-field accelerator at SIOM (China, Shanghai). This experiment, showing that the quality of the beam generated in the laser plasma accelerator is sufficient to sustain amplification in a FEL, represents a long awaited fundamental milestone. In addition, more recently a first demonstration of FEL exponential gain was also achieved in a beam-driven plasma accelerator at a wavelength of 830 nm at INFN (Frascati, Italy). The performances of these FELs cannot match those available in existing FEL facilities. However, these experiments represent a technological breakthrough and pave the way for FELs driven by extremely compact accelerators.

	please see instructions how to view/control embeded videos
	Slides FR2AA01 [14.546 MB]
Cite •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)