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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 ProgressUKNF OsC 21st 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 5. MEBT and beam chopper 6. Beam dump
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
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
Latest beam current measurements Discharge pulse length 70 mA H-, 1 ms pulse length at 50 Hz is achievable
2. Laser Diagnostics Christoph Gabor
Laser Profile Measurement Calculate profile using Maximum Entropy algorithm David Lee
Improved Electronics developed by Imperial College and Royal Holloway Avoids ground loops using opto-isolators Saad Alsari + Gary Boorman
2202-001 2202-002 2202-003 More stable and higher power (20 W) laser on loan from Frankfurt University
Simulated Measured 50 mA achieved at entrance of RFQ John Back
4. 324 MHz, 3 MeV, 4 vane RFQ Pete Savage
RFQ construction techniques Pete Savage
Different designs and novel cooling schemes investigated Scott Lawrie
ANSYS Coupled solver process Scott Lawrie
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
RFQ Tuner System Control electronics complete Reference Phase Feedback Phase Tuner tested on cold model Saad Alsari
RFQ Modulation Design Parameterized modulations in Autodesk Inventor Particle transport solved in GPT Electromagnetic fields solved in CST EM studio Simon Jolly
5. MEBT and beam chopper Beamline design Permanent magnet quadrpoles Re-buncher cavities Chip Plostinar
Chopper Electrode Designs Short length helical prototype Short length planar prototype Mike Clarke-Gayther
6. Beam dump Engineering design Thermal simulation Manufacturing test Rafa Emparanza
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