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MAX IV linac overview and scope of automation Sara Thorin.

Published byEdith Reynolds Modified over 8 years ago

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Presentation on theme: "MAX IV linac overview and scope of automation Sara Thorin."— Presentation transcript:

1 MAX IV linac overview and scope of automation Sara Thorin

2 The MAX IV linac Kicker & septum Extraction 3 GeV BC1 @ 260 MeV SPF BC2 @ 3 GeV MAX IV linac layout Extraction 1.5 GeV L2A L2B L3A L9B L19B L1B L0 Thermionic RF gun Photo cathode RF gun

3 The MAX IV linac Kicker & septum Extraction 3 GeV BC1 @ 260 MeV SPF BC2 @ 3 GeV MAX IV linac layout Extraction 1.5 GeV L2A L2B L3A L9B L19B L1B L0 Thermionic RF gun Photo cathode RF gun 2 Electron guns -Thermionic RF gun -High brightness photo cathode gun (+ laser system)

4 The MAX IV linac Kicker & septum Extraction 3 GeV BC1 @ 260 MeV SPF BC2 @ 3 GeV MAX IV linac layout Extraction 1.5 GeV L2A L2B L3A L9B L19B L1B L0 Thermionic RF gun Photo cathode RF gun 2 Electron guns -Thermionic RF gun -High brightness photo cathode gun (+ laser system) 39 linac structures 18 (soon 20) RF stations SLED LLRF + MDL 3 GeV with ~ 400 MeV redundancy

5 The MAX IV linac Kicker & septum Extraction 3 GeV BC1 @ 260 MeV SPF BC2 @ 3 GeV MAX IV linac layout Extraction 1.5 GeV L2A L2B L3A L9B L19B L1B L0 Thermionic RF gun Photo cathode RF gun 2 Electron guns -Thermionic RF gun -High brightness photo cathode gun (+ laser system) 39 linac structures 18 (soon 20) RF stations SLED LLRF + MDL 3 GeV with ~ 400 MeV redundancy 2 Bunch compressors @ 260 MeV and @ 3 GeV

6 The MAX IV linac Kicker & septum Extraction 3 GeV BC1 @ 260 MeV SPF BC2 @ 3 GeV MAX IV linac layout Extraction 1.5 GeV L2A L2B L3A L9B L19B L1B L0 Thermionic RF gun Photo cathode RF gun 2 Electron guns -Thermionic RF gun -High brightness photo cathode gun (+ laser system) 39 linac structures 18 (soon 20) RF stations SLED LLRF + MDL 3 GeV with ~ 400 MeV redundancy 2 Bunch compressors @ 260 MeV and @ 3 GeV Transferlines to the rings @ 1.5 GeV and @ 3 GeV

7 MAX IV linac operation modes Full energy injection and top up operation for the two storage rings Kicker & septum Extraction 3 GeV BC1 @ 260 MeV SPF BC2 @ 3 GeV MAX IV linac layout Extraction 1.5 GeV L2A L2B L3A L9B L19B L1B L0 Thermionic RF gun Photo cathode RF gun

8 MAX IV linac operation modes Full energy injection and top up operation for the two storage rings Kicker & septum Extraction 3 GeV BC1 @ 260 MeV SPF BC2 @ 3 GeV MAX IV linac layout Extraction 1.5 GeV L2A L2B L3A L9B L19B L1B L0 Thermionic RF gun Photo cathode RF gun Thermionic gun Energy1.5 GeV/ 3GeV Rep rate10 Hz Charge0.6-1 nC/shot Emittance< 10 mm mrad Energy spread<0.2%

9 MAX IV linac operation modes Full energy injection and top up operation for the two storage rings Kicker & septum Extraction 3 GeV BC1 @ 260 MeV SPF BC2 @ 3 GeV MAX IV linac layout Extraction 1.5 GeV L2A L2B L3A L9B L19B L1B L0 Thermionic RF gun Photo cathode RF gun Thermionic gun Energy1.5 GeV/ 3GeV Rep rate10 Hz Charge0.6-1 nC/shot Emittance< 10 mm mrad Energy spread<0.2% Photo cathode gun Energy1.5 GeV/ 3GeV Rep rate10 Hz Charge0.6-1 nC/shot Emittance< 2 mm mrad Energy spread<< 0.2%

10 MAX IV linac operation modes Full energy injection and top up operation for the two storage rings Kicker & septum Extraction 3 GeV BC1 @ 260 MeV SPF BC2 @ 3 GeV MAX IV linac layout Extraction 1.5 GeV L2A L2B L3A L9B L19B L1B L0 Thermionic RF gun Photo cathode RF gun Thermionic gun Energy1.5 GeV/ 3GeV Rep rate10 Hz Charge0.6-1 nC/shot Emittance< 10 mm mrad Energy spread<0.2% Photo cathode gun Energy1.5 GeV/ 3GeV Rep rate10 Hz Charge0.6-1 nC/shot Emittance< 2 mm mrad Energy spread<< 0.2% High brightness driver for the Short Pulse Facility Photo cathode gun Energy3GeV Rep rate100 Hz Charge100 pC Bunch length100 fs Emittance1 mm mrad Energy spread<0.4%

11 Automation Switching operation mode ● RF power/ SLED filltime ● RF phase ● Rep rate ● Cooling ● Dipoles ON/OFF ● Optics ● Trajectory correction ● Trigger source/synchronisation ● Laser shutter ● Laser mode

12 Automation Switching operation mode ● RF power/ SLED filltime ● RF phase ● Rep rate ● Cooling ● Dipoles ON/OFF ● Optics ● Trajectory correction ● Trigger source/synchronisation ● Laser shutter ● Laser mode During operation ● Feedback – Energy – Phase – Bunch Length – Trajectory – Laser drifts – Charge drift ● Alarm/error handling – Energy compensation (one modulator goes down or power reduced, compensate with others) – Vacuum interlocks – …

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