as diagnostic collaboration mark boland 2015-03-18
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AS Diagnostic Collaboration
Mark Boland2015-03-18
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AS diagnostic collaboration 2
REBAS – Relativistic Electron Beams at the Australian Synchrotron
18 Mar 2015
3 GeV, 1 Hz, ~3 nC
3 GeV, 1 Hz, ~5 nC
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AS diagnostic collaboration 3
Test Beam Facility Motivation
1. Improve operation of the Australian Synchrotron through accelerator diagnostic R&D.
2. Contribute to international accelerator R&D for existing collaborations: CLIC (CERN), ATF2 (KEK), SPEAR3 (SLAC), PSI.
3. Pilot studies for particle and x-ray detector test beam facility.
18 Mar 2015
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AS diagnostic collaboration 4
Test Beam Options 100 MeV
• Extract 100 MeV at the end of the linac.
• Bunch structure 1-75 bunches, 2 ns spacing plus 0.667 ns microbunches.
• Repetition rate 1 Hz.• Bunch charge 0.02-1 nC
single bunch, 0.02-5 nC multi bunch.
18 Mar 2015
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AS diagnostic collaboration 5
Test Beam Options 3 GeV
• Extract 3 GeV at the start of the booster transport line.
• Bunch structure 1-75 bunches, 2 ns spacing.
• Repetition rate 1 Hz.• Bunch charge 0.02-1 nC
single bunch, 0.02-5 nC multi bunch.
Vacuum chamber
magnets
Power supplyControl and DAQ
Bench
18 Mar 2015
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AS diagnostic collaboration 6
BTS in Booster Tunnel Photos
18 Mar 2015
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AS diagnostic collaboration 7
BTS in Booster Tunnel Drawings
18 Mar 2015
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AS diagnostic collaboration 8
Present layout
18 Mar 2015
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AS diagnostic collaboration 9
Straight through extraction
18 Mar 2015
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AS diagnostic collaboration 10
Valves and FCT
18 Mar 2015
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AS diagnostic collaboration 11
Pulsed Multipole extraction
18 Mar 2015
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AS diagnostic collaboration 12
AXXS – Australian X-band X-Ray Source
“SAC recognises the need to begin planning for the first major upgrade of the storage ring, which typically happens after about 10-15 years of operation. This should be viewed as a high priority research project for the team.”
– SAC Report 2014
18 Mar 2015
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AS diagnostic collaboration 13
Lightsouce Strategy
18 Mar 2015
Estimated Beamline Capacity at AS:• In use: 9 (6 ID, 3 BM1, 0 BM2)• Capacity: ID 12 total, 50% usage (BM1 11, 27% usage)• Build up the existing storage ring beamlines to full capacity
(presently ~50%).
• Upgrade the storage ring with an MBA lattice with e < 1 nm rad, in the existing tunnel with the same source points.
• Build a 3 GeV x-band linac to inject a low emittance beam into the storage ring.
• Use a second x-band linac to generate a 6 GeV beam for an XFEL.• Capitalise on local HEP support for a linear collider.• Leverage international collaboration through the CLIC collaboration.
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AS diagnostic collaboration 14
Potential Layout
18 Mar 2015
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AS diagnostic collaboration 15
Advanced Accelerator R&D at Melbourne Uni
• Propose new X-band RF structure lab in the old 35 MeV betatron lab
• Initial investment $100,000 for low power, shielding in place
• Further $2M for high power• Future RF photocathode
development
18 Mar 2015
Steel/PbVault door
5 T crane
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AS diagnostic collaboration 16
Motivation for new lab
• spread knowledge and ownership of accelerator development back into the universities
• attract students• physically and psychologically remove R&D
from operations, unlimited vault access• increase the accelerators available for testing
18 Mar 2015
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AS diagnostic collaboration 17
Other interests
• CCD cameras (x-ray rad hard)• BPM electronics for booster synchrotron, 500 MHz• Visible optical diagnostics (Open Hardware designs?)• Vertical undulator emittance measurement, x-ray slits
and CCD• High-end “Red Pitaya” 1 GHz, 2 Gsa, 4 channel,
instrument applications, EPICS and other controls integration
18 Mar 2015