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FETS Progress UKNF OsC 21 st June 2010

FETS Progress UKNF OsC 21 st June 2010. Dan Faircloth. Dan Faircloth. The Front End Test Stand. Talk outline. - A high power proton driver for the UKNF. 1. High power H - ion source. 2. Laser profile measurement. 3. Three solenoid magnetic LEBT. 4. 324 MHz, 3 MeV, 4 vane RFQ.

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FETS Progress UKNF OsC 21 st June 2010

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  1. FETS ProgressUKNF OsC 21st June 2010 Dan Faircloth Dan Faircloth

  2. The Front End Test Stand Talk outline - A high power proton driver for the UKNF 1. High power H- ion source 2. Laser profile measurement 3. Three solenoid magnetic LEBT 4. 324 MHz, 3 MeV, 4 vane RFQ 5. MEBT and beam chopper 6. Beam dump

  3. FETS is a collaboration Work presented here: D. Faircloth, A. Letchford, S. Lawrie, M. Clarke-Gayther, C. Gabor, P Wise, M. Whitehead, T. Wood, M. Perkins, M. Bates, C. Plostinar, D. Findlay, P. Savage, D. Lee, S. Jolly, S. Alsari, A. Kurup, J. Pozimski, A. Bosco, G. Boorman, G. Blair, J. Feuchtwanger, F. J. Bermejo, J. Lucas, J. Alonso, R. Enparantza, I. Ariz, P. Romano, A. Sedano, V. Etxebarria, H. Hassanzadegan, N. Garmendia, M. Eguiraun

  4. 1st FETS Beam April 2009 1. High Power H- Ion Source Penning ‘Surface Plasma Source’ based on the successful ISIS design 35 mA 200 µs 50 Hz Presented at PAC09

  5. Inside the 70 kV high voltage platform

  6. Latest beam current measurements Discharge pulse length 70 mA H-, 1 ms pulse length at 50 Hz is achievable

  7. 2. Laser Diagnostics Christoph Gabor

  8. Laser Profile Measurement Calculate profile using Maximum Entropy algorithm David Lee

  9. Improved Electronics developed by Imperial College and Royal Holloway Avoids ground loops using opto-isolators Saad Alsari + Gary Boorman

  10. 2202-001 2202-002 2202-003 More stable and higher power (20 W) laser on loan from Frankfurt University

  11. 3. Three solenoid magnetic LEBT

  12. Simulated Measured 50 mA achieved at entrance of RFQ John Back

  13. 4. 324 MHz, 3 MeV, 4 vane RFQ Pete Savage

  14. RFQ construction techniques Pete Savage

  15. Different designs and novel cooling schemes investigated Scott Lawrie

  16. ANSYS Coupled solver process Scott Lawrie

  17. 60W input RF power Max Temperature = 37 °C RFQ cold model with 60 W DC input RF power and no cooling applied. Max Structural Deformation = 0.3 mm

  18. RFQ Tuner System Control electronics complete Reference Phase Feedback Phase Tuner tested on cold model Saad Alsari

  19. RFQ Modulation Design Parameterized modulations in Autodesk Inventor Particle transport solved in GPT Electromagnetic fields solved in CST EM studio Simon Jolly

  20. 5. MEBT and beam chopper Beamline design Permanent magnet quadrpoles Re-buncher cavities Chip Plostinar

  21. Chopper Electrode Designs Short length helical prototype Short length planar prototype Mike Clarke-Gayther

  22. 6. Beam dump Engineering design Thermal simulation Manufacturing test Rafa Emparanza

  23. In Summary • Ion source and LEBT successfully commissioned • Laser diagnostics progressing well • RFQ design nearing completion • Prototype chopper and MEBT design • Beam dump being manufactured

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