SPARC Program Advisory Committee 22 Oct 2013 Dennis T. Palmer, INFN-Milano STAR: Southern Europe Thomson back-scattering source for Applied Research.

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Presentation transcript:

SPARC Program Advisory Committee 22 Oct 2013 Dennis T. Palmer, INFN-Milano STAR: Southern Europe Thomson back-scattering source for Applied Research

Beam ParameterPhase 1Phase 2 Bunch Charge (nC)0.5 Energy (MeV) RMS Bunch Length ( ps)1 - 5  n_x,y (mm-mrad) 1 - 3< 1.5 Energy Spread (%) RMS Focal Spot Size (  m) Electron Machine Parameters ParameterIP LaserPC Laser Repetition rate (Hz)100 Oscillator Repetition rate39 2/3 MHz Output Energy (mJ)> 130 mJ (IR) > 300  J (UV) Short Term Energy Stability (rms)3 %1 % Long Term Energy Stability (P2P)< 5 %< 2 % Wavelength1029 nm258 nm Jitter (rms) 10 – 10 KHz<1 ps Bandwidth< 0.5 nm< 1 nm TechnologyYb:YAGYb:KGW Amplifier Pump TechnologyQCW Diode PumpsCW Diode Pump Pulse duration (ps FWHM)55 Beam diameter(FW 1/e 2 mm)10 mm < X < 15 mm1 mm < X < 2 mm Strehl Ratio0.8NA M2M2 1.3 Photon Machine Parameters

Project Director Leader: Luca Serafini Deputy: Dennis Palmer Managment Board Coordinator (Ezio Puppin) CNISM Representative (Raffaele Agostino) Unical Representative (Mauro Ghedini) INFN Representative (Andrea Ghigo) ST Representative (Edoardo Busetto) Advisory Committee Claudia Dallera Massimo Ferrario Federico Boscherini Giorgio Rossi Management Team segreteria, consulenti amministrativi e legali Alberto Bacci Paolo Tomassini Gianluca Diraddo Roberto Boni Dennis Palmer Cristina Vaccarezza Valerio Lollo Alessandro Cianchi Verardo Torri Adolfo Esposito Fiorello Martire Tadzio Levato Fabio Villa Giancarlo Gatti

Hangar and Bunker Construction at University of Calabria

STAR Bunker Layout

STAR Machine Phase 1 and 2

Case B Gun 120 MV/m Q= 800 pC Sig_t_laser=5ps (pure Gaussin) Sig_x_laser=0.310 mm (uniform) Astra Simulations space-charge on Alberto Bacci INFN-Malino WP1A

TRACE 3D Beam Simulations Alberto Bacci, INFN-Milano

Type Freque ncy (MHz) Output Power (MW) Efficien cy (%) Gain (dB) Pulse Length (μs) Pulse Rate (pps) Beam Volt. (kV) Beam Curr. (A) Weight (kg) Length (m) E37832, E3765, A 2, E37722, E37762, E37292, E37542, E3730A2, E37122, WP2a RF Power Station Roberto Boni LNF

WP4cBeam DIAGNOSTICS  and  2.Charge: Q T 3.Beam Position Monitor: Stripline and Cavity 4.Spot Size:  x and  y 5.Emittance:  n,rms 6.Bunch Length:  t Alessandro Cianchi

8.8mIP=18.73m - Camera and stripline BPM in the dispersive region 85 MeV case 60 MeV case ~11m - camera for E and E_spread 60cm from the Dip m - camera for E and E_spread or BPM sig_x sig_y m - BPM s.1 s.2 s.3 Alberto Bacci INFN-Malino

WP6aConventional Facility

WP6bCable plant

Beneficial Occupancy: Lights, Ventilation, Alignment Fiducial Installation: Hangar/Bunker: January 2014 Stands, Cable Trays, Magnets and RF Structures RF Power Station Waveguide Laser Room Laser Transport Lines Equipment Racks Cable Plant