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Status of the SPARC project Massimo Ferrario INFN-LNF On behalf of the SPARC team * 31 th LNF Scientific Committee Meeting - 29 November 05 *

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Presentation on theme: "Status of the SPARC project Massimo Ferrario INFN-LNF On behalf of the SPARC team * 31 th LNF Scientific Committee Meeting - 29 November 05 *"— Presentation transcript:

1 Status of the SPARC project Massimo Ferrario INFN-LNF On behalf of the SPARC team * 31 th LNF Scientific Committee Meeting - 29 November 05 *

2 SPARC Team SPARC Team D. Alesini, M. Bellaveglia, M. Biagini, R. Boni, M. Boscolo, M. Castellano, A. Clozza, G. Di Pirro, A. Drago, A. Esposito, M. Ferrario, D. Filippetto, V. Fusco, G. Gatti, A. Gallo, A. Ghigo, S. Guiducci, M. Incurvati, C. Ligi, M. Migliorati, L. Palumbo, L. Pellegrino, M. Preger, R. Ricci, C. Sanelli, M. Serio, F. Sgamma, B. Spataro, A. Stecchi, A. Stella, F. Tazzioli, C. Vaccarezza, M. Vescovi, C. Vicario, M. Zobov (INFN /LNF) F. Alessandria, I. Boscolo, F. Broggi, S.Cialdi, C. DeMartinis, D. Giove, C. Maroli, V. Petrillo, M. Romè, L. Serafini, (INFN /Milano) M. Mattioli, G. Medici, P. Musumeci, M. Petrarca (INFN /Roma1) L. Catani, E. Chiadroni, A. Cianchi (INFN /Roma2) A. Cultrera, A. Perrone (INFN /Lecce) F. Ciocci, G. Dattoli, L. Giannessi, L. Mezi, L. Picardi, M. Quattromini, A.Renieri, C. Ronsivalle (ENEA/FIS) J. B. Rosenzweig, S. Reiche (UCLA) P. Bolton, D. Dowell, P.Emma, P. Krejick, C. Limborg (SLAC)

3 LABORATORY @ LNF-INFN

4 F. Sgamma, S. Tomassini

5 High Brightness electron beam generation High Brightness electron beam generation SASE FEL experiments SASE FEL experiments Advanced Accelerator Concepts Advanced Accelerator Concepts

6 A Free Electron Laser is a device that converts electron kinetic energy into coherent radiation via a collective instability in an undulator

7 Undulator Radiation The electron trajectory is inside the radiation cone if The electron trajectory is determined by the undulator field and the electron energy

8 Relativistic Mirrors Counter propagating pseudo-radiation Compton back-scattered radiation in the moving mirror frame Doppler effect in the laboratory frame TUNABILITY

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10 Free Electron Laser Self-Amplified-Spontaneous-Emission (No Mirrors - Tunability - Harmonics)

11 TTF-FEL DESY 98 nm TTF-FEL DESY 98 nm LEUTL APS/ANL 385 nm LEUTL APS/ANL 385 nm September 2000 VISAATF/BNL 840 nm VISAATF/BNL March 2001 SASE Experimental results Since September 2000 3 SASE FELs demonstration

12 Single Pass FEL Projects PAL – FEL SCSS XFEL 4GLS MIT / Bates LEUTL LUX LCLS VISA / DUV SPARC / SPARX FERMI SC technology / NC technology BESSY FEL LEG TTF / XFEL

13 R. Saldin et al. in Conceptual Design of a 500 GeV e+e- Linear Collider with Integrated X-ray Laser Facility, DESY-1997-048 SASE FEL Electron Beam Requirements: High Brightness B n BnBn B n K 2 BnBn energyspread undulatorparameter minimum radiation wavelength gain length

14 B bunch compressors RF & magnetic Pulse Shaping New Working Point How to increase e- Brightness

15 SPARC Photoinjectors

16 Electron Photo-Injector

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18 Mira Ti:Sa Oscillator Hidra CPA Ti:Sa Amplifier RGA + 2 MP THG UV Stretcher Verdi Nd:YVO 4 Continuum Nd:Yag Pumps Seed Line Evolution Nd:YLF Synchro Lock PLL RF Reference R&S 2,856 GHz DAZZLER TeO 2 Ext. Synch. f/36 800 nm 50 mJ 10 Hz 100 fs 800 nm 10 nJ 80 MHz 100 fs 266 nm 4 mJ 10 Hz 100 fs 266 nm 1,8 mJ 10 Hz 0.5-12 ps LASER SYSTEM

19 CHARACTERIZATION : UPCONVERSION TH-UV 266 nm BLUE SPECTRUM UV SPECTRUM SH-BLUE 400 nm

20 Cross Correlation measurements theory t

21 Emittance Compensation: Controlled Damping of Plasma Oscillation Brillouin Flow Hokuto Iijima 100 A ==> 150 MeV

22 Final emittance = 0.4 m Matching onto the Local Emittance Max., Optimized matching

23 Movable Emittance-Meter Concept

24 EMITTANCE-METER Completed Tested at PITZ Installed at SPARC for Gun Beam measurements

25 Gun and emittance meter installed

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28 Radiation power growth along the undulator @ 530 nm GENESIS simulation of the SPARC SASE-FEL

29 2002 - Stage I - FEASIBILITY Project formulation Feasibility Study Strategy design Approval 2003-2004- Stage II - PLANNING & DESIGN Base design Detailed Cost and schedule Detailed planning Major contracts for procurement 2004-2005 - Stage III - CONSTRUCTION Manufacturing Delivery Civil works Installation 2006 - Stage IV - COMMISSIONING & OPERATION Final Testing Commissioning Operation 20022003200420052006 Project duration

30 Collaborations and UE programs SPARC DESY BNL UCLA SLAC EUROFEL PITZ RF Compressor RF Compressor Seeding Seeding Synchronization Synchronization

31 Coherent Synchrotron Radiation (CSR) Powerful radiation generates energy spread in bends Powerful radiation generates energy spread in bends Causes bend-plane emittance growth Causes bend-plane emittance growth Energy spread breaks achromatic system Energy spread breaks achromatic system x = R 16 (s) E/E x = R 16 (s) E/E bend-plane emittance growth e–e–e–e– R z coherent radiation for z overtaking length: L 0 (24 z R 2 ) 1/3 s s x x L0L0L0L0

32 Velocity bunching concept

33 Average current vs RF compressor phase LOW COMPRESSION MEDIUM COMPRESSION HIGH COMPRESSION OVER- COMPRESSION

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35 = 860 A = 860 A nx = 1.5 m nx = 1.5 m

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39 + Channelling MAMBO

40 APPROVED

41 The Frascati Laser for Acceleration and Multidisciplinary Experiments laser pulses50 fs, 800 nm >100 TW @10 Hz laser pulses : 50 fs, 800 nm >100 TW @10 Hz

42 LINAC UNDULATOR synchronisation uncompressed pulse vacuum compressor acceleration chamber detectors area control & data

43 E x 2 2 las (1-cos ) 10 9 fotoni/s Produzioni di impulsi X : 10 9 fotoni/s, monocromatici 20 keV - 1 MeV 3 ps, monocromatici tunabili nel range 20 keV - 1 MeV Studi di tecniche di mammografia (e angiografia coronarica) Studi di single molecule protein cristallography.

44 La realizzazione di una immagine (su superficie 18x24 cm 2 ) in tempi di 2600 s scende a 2.6 s con lupgrade previsto su SPARC che porta il num. di fotoni a 2.5 10 11 /s MaMBO Experiment: Mammography Monochromatic Beam Outlook

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46 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 TTF-II 6 nm LCLS 0.1 nm TESLAX-FEL SASE SASE Seeding Angstrom Angstrom

47 CONCLUSIONS The SPARC&X projects will allow INFN to develop a robust cutting-edge R&D program: - High quality electron beams from a LINAC - Generation of new FEL radiation - X-beam optics, handling, diagnostics, detectors - Advanced Accelerator Concepts

48 Know-how on LINACs Know-how on LINACs - Generation of e-beams with photo-injectors - Generation of e-beams with photo-injectors - Beam phase-space manipulation - Beam phase-space manipulation - RF-power, Acceleration and Transport - RF-power, Acceleration and Transport - Synchronization, Diagnostics & Control - Synchronization, Diagnostics & Control Will allow INFN to contribute with wider and stronger expertise to the future ILC project. Finally, Finally, - 5 thesis/year - 6 PhD - 6 PhD - 6 Contracts (Ass. Ric., Art. 23) - 6 Contracts (Ass. Ric., Art. 23) About 10 young Physicists and Engineers, with enthusiasm and motivations, are being educated in the field.

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50 SPARC Project 7.5 +2.5 M (MIUR+INFN) R&D program towards high brightness e - beam for SASE-FELs R&D program towards high brightness e - beam for SASE-FELs SPARX Phase I 10 + 2.35 M (MIUR+INFN) - R&D towards an X-ray FEL-SASE source - Test Facility at 10 nm with the Da ne Linac (SPARXINO) SPARX Phase II 12 M ? (MIUR) - Linac energy up-grade (1.5 GeV ?) -> 2 nm ?

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