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international free electron laser conference | 2003

The SPARC project: a high-brightness electron beam source at LNF to drive a SASE-FEL experiment

D. Alesini; S. Bertolucci; M.E. Biagini; C. Biscari; R. Boni; M. Boscolo; M. Castellano; A. Clozza; G. Di Pirro; A. Drago; A. Esposito; M. Ferrario; V. Fusco; A. Gallo; A. Ghigo; S. Guiducci; M. Incurvati; P. Laurelli; C. Ligi; F. Marcellini; M. Migliorati; C. Milardi; L. Palumbo; L. Pellegrino; M. Preger; P. Raimondi; R. Ricci; C. Sanelli; F. Sgamma; B. Spataro

Abstract The Project Sorgente Pulsata e Amplificata di Radiazione Coerente (SPARC), proposed by a collaboration among ENEA–INFN–CNR–Universita’ di Tor Vergata–INFM–ST, was recently approved by the Italian Government and will be built at LNF. The aim of the project is to promote an R&D activity oriented to the development of a coherent ultra-brilliant X-ray source in Italy. This collaboration has identified a program founded on two main issues: the generation of ultra-high peak brightness electron beams and of resonant higher harmonics in the SASE-FEL process, as presented in this paper.


international free electron laser conference | 2003

Conceptual design of a high-brightness linac for soft X-ray SASE-FEL source

D. Alesini; S. Bertolucci; M.E. Biagini; C. Biscari; R. Boni; M. Boscolo; M. Castellano; A. Clozza; G. Di Pirro; A. Drago; A. Esposito; M. Ferrario; V. Fusco; A. Gallo; A. Ghigo; S. Guiducci; M. Incurvati; P. Laurelli; C. Ligi; F. Marcellini; M. Migliorati; C. Milardi; L. Palumbo; L. Pellegrino; M. Preger; P. Raimondi; R. Ricci; C. Sanelli; F. Sgamma; B. Spataro

Abstract FELs based on SASE are believed to be powerful tools to explore the frontiers of basic sciences, from physics to chemistry to biology. Intense R&D programs have started in the USA and Europe in order to understand the SASE physics and to prove the feasibility of these sources. The allocation of considerable resources in the Italian National Research Plan (PNR) brought about the formation of a CNR–ENEA–INFN–University of Roma “Tor Vergata” study group. A conceptual design study has been developed and possible schemes for linac sources have been investigated, leading to the SPARX proposal. We report in this paper the results of a preliminary start to end simulation concerning one option we are considering based on an S-band normal conducting linac with high-brightness photoinjector integrated in an RF compressor.


Proceedings of the 2005 Particle Accelerator Conference | 2005

The Project Plasmonx for Plasma Acceleration Experiments and A Thomson X-Ray Source at SPARC

D. Alesini; M. Bellaveglia; S. Bertolucci; M.E. Biagini; R. Boni; M. Boscolo; M. Castellano; A. Clozza; G. Di Pirro; A. Drago; A. Esposito; M. Ferrario; L. Ficcadenti; D. Filippetto; V. Fusco; A. Gallo; G. Gatti; A. Ghigo; S. Guiducci; M. Incurvati; C. Ligi; F. Marcellini; M. Migliorati; A. Mostacci; L. Palumbo; L. Pellegrino; M. Preger; R. Ricci; C. Sanelli; M. Serio

We present the status of the project PLASMONX, recently approved by INFN. This project, based on a collaboration between INFN and CNR-IPCF, aims at a long term upgrade of the SPARC system with the goal to develop at LNF an integrated facility for advanced beam-laser-plasma research in the field of advanced acceleration techniques and ultra-bright X-ray radiation sources and related applications. The project, in its first phase, foresees the development at LNF of a High Intensity Laser Laboratory (HILL) whose main component is a 100 TW-class Ti: Sa laser system synchronized to the SPARC photo-injector. Experiments of self-injection and acceleration of electrons into laser driven plasma waves will be conducted at HILL-LNF, early in this first project phase. Eventually an additional beam line will be built in the SPARC bunker in order to transport the SPARC electron beam at an interaction point, where a final focus system will allow to conduct experiments either of laser-beam co-propagation in plasma waves for high gradient acceleration, or experiments of laser-beam head-on collisions to develop a Thomson source of bright ultra-short X-ray radiation pulses, with X-ray energies tunable in the range 20 to 1000 keV and pulse duration from 30 fs to 20 ps. Preliminary simulations of plasma acceleration with self-injection are illustrated, as well as external injection of the SPARC electron beam.


Laser and Particle Beams | 2004

The SPARC/X SASE-FEL Projects

D. Alesini; S. Bertolucci; M.E. Biagini; R. Boni; M. Boscolo; M. Castellano; A. Clozza; G. Di Pirro; A. Drago; A. Esposito; M. Ferrario; V. Fusco; A. Gallo; A. Ghigo; S. Guiducci; M. Incurvati; C. Ligi; F. Marcellini; M. Migliorati; C. Milardi; A. Mostacci; L. Palumbo; L. Pellegrino; M. Preger; P. Raimondi; R. Ricci; C. Sanelli; M. Serio; F. Sgamma; B. Spataro

SPARC and SPARX are two different initiatives toward an Italian Free Electron Laser ~FEL! source operating in the Self Amplified Spontaneous Emission ~SASE! mode, in which several national research institutions are involved. SPARC is a high gain FEL project devoted to provide a source of visible and VUV radiation while exploiting the SASE mechanism. An advanced Photo-Injector system, emittance compensating RF-gun plus a 150 MeV Linac, will inject a high quality e-beam into the undulator to generate high brilliance FEL radiation in the visible region at the fundamental wavelength, ~;500 nm!. The production of flat top drive laser beams, high peak current bunches, and emittance compensation scheme will be investigated together with the generation of higher harmonic radiation in the VUV region. SPARX is the direct evolution of such a high gain SASE FEL toward the 13.5 and 1.5 nm operating wavelengths, at 2.5 GeV. To get the required value for the bunch peak current, Ipeak ’ 2.5 kA, the “hybrid” scheme, RF-compression stage plus magnetic chicane, is analyzed and compared with the more standard double stage of magnetic compression. The two options are reviewed considering the tolerance to the drive laser pulse phase jitter.


bipolar/bicmos circuits and technology meeting | 2003

The Sparc project: a high brightness electron beam source at LNF to drive a SASE-FEL experiment

D. Alesini; S. Bertolucei; M.E. Biagini; C. Biscari; R. Boni; M. Boscolo; M. Castellano; A. Clozza; G. Di Pirro; A. Drago; A. Esposito; M. Ferrario; V. Fusco; A. Gallo; A. Ghigo; S. Guiducci; M. Incurvati; C. Ligi; F. Marcellini; M. Migliorati; C. Milardi; L. Palunibo; L. Pellegrino; M. Preger; P. Raimondi; R. Ricci; C. Sanelli; M. Serio; F. Sgamma; B. Spataro

The Project SPARC (Sorgente Pulsata e Amplificata di Radiazione Coerente), proposed by a collaboration among ENEA-INFN-CNR-Universitadi Roma Tor Vergata- INFM-ST, was recently funded by the Italian Government. The aim of the project is to promote an R&D activity oriented to the development of a coherent ultra-brilliant X-ray source in Italy (SPARX proposal (1)). The SPARC collaboration identified a program based on two main issues: the generation of ultra-high peak brightness electron beams and experimental study of SASE-FEL process with generation of resonant higher harmonics. The SPARC project is being designed in order to encompass the construction of an advanced photo- injector producing a 150-200 MeV beam to drive a SASE-FEL in the optical range. The machine will be built at LNF, inside an underground bunker: it is comprised of an rf gun driven by a Ti:Sa laser, injecting into three SLAC accelerating sections. We foresee conducting investigations on the emittance correction(2) and on the rf compression techniques(3), which are expected to increase the peak current achievable at the injector exit up to kA level, with proper preservation of the transverse emittance. Although the system is expected to drive a FEL experiment, it can be used also to investigate beam physics issues like surface-roughness-induced wake fields, bunch-length measurements in the sub-ps range, emittance degradation in magnetic compressors due to CSR, and Compton backscattering production of sub-ps X-ray pulses.


International Conference on Charged and Neutral Particles Channeling Phenomena | 2005

SPARC/X projects

D. Alesini; S. Bertolucci; M.E. Biagini; R. Boni; M. Boscolo; M. Castellano; A. Clozza; G. Di Pirro; A. Drago; A. Esposito; M. Ferrario; V. Fusco; A. Gallo; A. Ghigo; S. Guiducci; M. Incurvati; C. Ligi; F. Marcellini; M. Migliorati; A. Mostacci; L. Palumbo; L. Pellegrino; M. Preger; R. Ricci; C. Sanelli; M. Serio; F. Sgamma; B. Spataro; A. Stecchi; A. Stella

SPARC and SPARX are two different initiatives toward an X-ray FEL SASE source at LNF. SPARC is a high gain FEL project devoted to provide a source of visible and VUV radiation while exploiting SASE mechanism. An advanced Photo-Injector system, emittance self-compensating RF-gun plus a 150 MeV Linac, will inject a high quality e-beam into the undulator to generate high brilliance FEL radiation in the visible region at the fundamental wavelength, (530 nm). The production of flat top drive laser beams, high peak current bunches, and an emittance compensation scheme will be investigated together with the generation of higher harmonic radiation in the VUV region. SPARX is the direct evolution of such a high gain SASE FEL towards the 13.5 and 1.5 nm operating wavelengths, at 2.5 GeV. The first phase of the SPARX project, fiinded by Government Agencies, will be focused on R&D activity on critical components and techniques for future X-ray facilities as described in this paper.


X‐ray and inner‐shell processes | 2003

Conceptual Design of a Soft X-ray SASE-FEL Source

D. Alesini; S. Bertolucci; M.E. Biagini; C. Biscari; R. Boni; M. Boscolo; M. Castellano; A. Clozza; G. Di Pirro; A. Drago; A. Esposito; M. Ferrario; V. Fusco; A. Gallo; A. Ghigo; S. Guiducci; M. Incurvati; P. Laurelli; C. Ligi; F. Marcellini; M. Migliorati; C. Milardi; L. Palumbo; L. Pellegrino; M. Preger; P. Raimondi; R. Ricci; C. Sanelli; F. Sgamma; B. Spataro

FELs based on SASE are believed to be powerful tools to explore the frontiers of basic sciences, from physics to chemistry to biology. Intense R&D programs have started in the USA and Europe in order to understand the SASE physics and to prove the feasibility of these sources. The allocation of considerable resources in the Italian National Research Plan (PNR) brought about the formation of a CNR‐ENEA‐INFN‐University of Roma “Tor Vergata” study group. A conceptual design study has been developed and possible schemes for linac sources have been investigated, bringing to the SPARX proposal. We report in this paper the results of a preliminary start to end simulation concerning one option we are considering based on an S‐band normal conducting linac with high brightness photoinjector integrated in a RF compressor.


international free electron laser conference | 2004

Status of the SPARC project

D. Alesini; S. Bertolucci; M.E. Biagini; C. Biscari; R. Boni; M. Boscolo; M. Castellano; A. Clozza; G. Di Pirro; A. Drago; A. Esposito; M. Ferrario; V. Fusco; A. Gallo; A. Ghigo; S. Guiducci; M. Incurvati; C. Ligi; F. Marcellini; M. Migliorati; C. Milardi; A. Mostacci; L. Palumbo; L. Pellegrino; M. Preger; P. Raimondi; R. Ricci; C. Sanelli; M. Serio; F. Sgamma


Archive | 2002

AN R&D PROGRAM FOR A HIGH BRIGHTNESS ELECTRON BEAM SOURCE AT LNF

D. Alesini; S. Bertolucci; C. Biscari; R. Boni; M. Boscolo; M. Castellano; A. Clozza; A. Drago; A. Esposito; M. Ferrario; V. Fusco; A. Gallo; A. Ghigo; S. Guiducci; M. Incurvati; P. Laurelli; C. Ligi; F. Marcellini; M. Migliorati; C. Milardi; L. Palumbo; L. Pellegrino; M. Preger; P. Raimondi; R. Ricci; C. Sanelli; F. Sgamma; B. Spataro; A. Stecchi; A. Stella


10th European Particle Accelerator Conference, EPAC 2006 | 2006

The PLASMONX Project for advanced beam physics experiments

D. Alesini; M. Bellaveglia; S. Bertolucci; R. Boni; M. Boscolo; M. Castellano; A. Clozza; G. DiPirro; A. Drago; A. Esposito; M. Ferrario; L. Ficcadenti; D. Filippetto; V. Fusco; G. Gatti; A. Gallo; A. Ghigo; M. Incurvati; C. Ligi; F. Marcellini; M. Migliorati; A. Mostacci; L. Palumbo; L. Pellegrino; M. Preger; R. Ricci; C. Sanelli; M. Serio; F. Sgamma; B. Spataro

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L. Pellegrino

Istituto Nazionale di Fisica Nucleare

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M. Migliorati

Sapienza University of Rome

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R. Boni

Sapienza University of Rome

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A. Clozza

Istituto Nazionale di Fisica Nucleare

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A. Drago

Istituto Nazionale di Fisica Nucleare

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A. Esposito

Istituto Nazionale di Fisica Nucleare

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A. Gallo

Istituto Nazionale di Fisica Nucleare

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A. Ghigo

Istituto Nazionale di Fisica Nucleare

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D. Alesini

Sapienza University of Rome

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M. Boscolo

Sapienza University of Rome

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