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Status of the Thomson Source

Status of the Thomson Source. On behalf of the PlasmonX Group. Outline. Electron Beam: Parameter List and Transfer Lines layout Laser Beam for Thomson Source: Main Parameters and Transport Overview Procurement Update Basic Schedule. Electron Beam Parameter list.

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Status of the Thomson Source

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  1. Status of the Thomson Source On behalf of the PlasmonX Group

  2. Outline • Electron Beam: • Parameter List and Transfer Lines layout • Laser Beam for Thomson Source: • Main Parameters and Transport Overview • Procurement Update • Basic Schedule

  3. Electron Beam Parameter list *using X-band structure at gun exit

  4. Electron Beam TL Schematic layout

  5. Technical design A. Zolla

  6. SPARC hall Optical transfer line 0.3 PW LASER SEEDING LASER PHOTOINJ LASER PLASMON.X THOMSON HHG DGL PHOTOINJECTOR UNDULATOR

  7. Laser transport overview C. Vicario, D. Filippetto

  8. Laser parameters delivered to Thomson experiment • Pulse energy 6 J • Spot top hat, diameter 9 cm and aperture 13.5 cm • M2 = 1.5 • Pulse length 6 ps • Max bandwidth 80 nm, central wavelength range 800 nm

  9. Transport system: considerations • Long transport (< 30 m) from the compressor to the interaction chamber. • To maximize the beam stability an achromatic relay optical system and a ultrastale mount are foreseen. • To avoid absorption and distortion effects pipeline will be kept in low vacuum (10^-3 mbar) upgradeable at 10^-6 mabar for future full compressed beam transport. • Delay line for temporal overlap between laser pulse and electron beam. • High energy large aperture optics: mirrors, filters, beam samplers, achromats lenses.

  10. Simulated waist vs focal and wavelength Vacuum port Flat mirror Simulations with Zemax optical design code Extraction Interaction Off axis parabola C. Vicario

  11. Optical layout and simulation Vacuum port plane mirror plane mirror hole OAP Spot size at the interaction point

  12. Transverse beam envelopes at 28 MeV (Parmela simulation)

  13. Thomson Interaction Region Interaction point Large solenoid Laser in Beam dump

  14. Thomson Interaction Region F. Bosi

  15. A. Bacci

  16. OUT (H2O) IN (H2O) IN current D. Giove

  17. Iron excitation and Deflection at max energy (150 MeV) G. Gatti

  18. ℮-TL up to the two IP’s ( 1.2 M€ ) • 6 Dipole Magnets + PS • 20 Quadrupole Magnets + PS • 18 Steering Magnets + PS • Strong Focusing Solenoid +PS • Electron beam dumper + PS • Girders • Diagnostic • Controls • Vacuum……..

  19. Giunta INFN Marzo 2009 = 480 k€ (SPARC) Almost by the end of 2009 (SPARC) Up to now: • 6 Dipole Magnets + PS • 20 Quadrupole Magnets • Strong Focusing Solenoid (NTA-Mi funds 2009) • Electron beam dumper (NTA-Mi funds 2009) • 20 Quad PS • 18 Steering Magnets + PS • Girders • Diagnostic • Controls • Vacuum

  20. In detail: • NTA-LNF 2008: • 1 Off axis Parabolic Mirror + 5 Silica Mirrors +1 Diode Laser → 47 k€ • NTA-LNF 2009 = 123 k€: • linea di trasporto (30m) del fascio laser Flame nella sala sperimantale SPARC • lenti di focalizzazione   • viewport da vuoto   • specchi  • telecamere e fotodiodi tavolo ottico   • computer per controlli apparecchiature • movimentazioni micrometriche • attenuatori,filtri,beam splitters • materiale di consumo

  21. Basic Schedule • Procurement & Installation by Spring 2010 • Commissioning as follow-up • Both in time sharing with SPARC operation • Laser Installation: end 2009 • Laser Commissioning: end 2010

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