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Dr Mark Boland Principal Scientist Accelerator Physics AXXS Australian X-band XFEL Source at the Australian Synchrotron On behalf of the Accelerator Science.

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Presentation on theme: "Dr Mark Boland Principal Scientist Accelerator Physics AXXS Australian X-band XFEL Source at the Australian Synchrotron On behalf of the Accelerator Science."— Presentation transcript:

1 Dr Mark Boland Principal Scientist Accelerator Physics AXXS Australian X-band XFEL Source at the Australian Synchrotron On behalf of the Accelerator Science and Operations Group

2 14 Jan 2014ACAS/AFAD 2014 - Mark Boland2 The Synchrotron Light Source World Map – as seen from Australia

3 Building on the past 14 Jan 2014ACAS/AFAD 2014 - Mark Boland3 Sir Mark Oliphant – synchrotron co-inventor

4 Machine Overview 14 Jan 2014ACAS/AFAD 2014 - Mark Boland4 3 GeV Booster Synchrotron 100 MeV Linac 3 GeV Storage Ring BTS LTB Machine Overview

5 Linac Accelerates electrons to 100 MeV Injects electron beam into the booster ring Pulsed at 1 Hz 14 Jan 2014ACAS/AFAD 2014 - Mark Boland5

6 Booster Accelerates electrons to 3 GeV Injects electrons into the storage ring Only “real synchrotron” in the lab 14 Jan 2014ACAS/AFAD 2014 - Mark Boland6

7 Storage Ring 10 photon beamlines Continuous top-up injection operation 14 Jan 2014ACAS/AFAD 2014 - Mark Boland7

8 User Beam Available since 2007 14 Jan 2014ACAS/AFAD 2014 - Mark Boland8

9 $38M Building Programme 14 Jan 2014ACAS/AFAD 2014 - Mark Boland9 National Synchrotron Science Centre Medical Imaging Beamline Offices User Accommodation Storage Engineering Workshop Metrology Laboratory RF Laboratory

10 2012 New National Centre for Synchrotron Science 14 Jan 2014ACAS/AFAD 2014 - Mark Boland10

11 Plans for light sources in Australia Accelerator development included in strategic plans 14 Jan 2014ACAS/AFAD 2014 - Mark Boland11

12 CLEAR (Coherent Low Emittance Accelerator Radiation) 14 Jan 2014ACAS/AFAD 2014 - Mark Boland12 CDR in progress Unfunded Using existing tunnel space PhD working on RF photocathode PhD worked on undulator characterisation

13 Possible FEL site 14 Jan 2014ACAS/AFAD 2014 - Mark Boland13

14 Australian Synchrotron as a test bed 14 Jan 2014ACAS/AFAD 2014 - Mark Boland14 CLIC damping require:  2.86 GeV   y = 1 pm vertical emittance  4.3x10 9 e - per bunch  1.3x10 12 e - total charges ASLS storage ring  3 GeV (have injected 1.5 to 3 GeV)  Achieved  y < 1 pm  For MD use up to 4.5x10 10 e - per bunch  0.9x10 12 e - total charges for user beam Significant MD time for research!

15 FEL Overview 15 Electron Beam parameters: E=6GeV, Q=250pC, σ z =8μm, ε x = ε y =1πmm.mrad, Energy spread 2×10 -4 β x Av = β y Av = 25 m Undulator parameters: K u =1.9, λ u =1.5cm, Length per segment 5m, Number of segements 18, Drift Length between segments 1.15m David Zhu

16 Lattice on Undulator Line Q1: 12.8143T/m, Q2: -12.153T/m, Q1 length: 0.185m, Q2 length: 0.185m Q1-Q2 distance: 6.15m, Period: 12.3m, Start position: 5.575m, Number of periods: 18 16David Zhu

17 Parameters different with SACLA 17 Electron energy: 8 GeV ----- 6 GeV Bunch length: 7 um ---- 8um Bunch charge: 0.18 nC ---- 0.25 nC Energy spread: 5×10 -5 ---- 2×10 -4 Undulator period: 1.8 cm ---- 1.5 cm L sat : 73.63 m ---- 54.70 m P sat : 5.16 GW ---- 5.43 GW λ 1st : 0.103 nm ---- 0.1526 m Peak Brilliance: 1.306×10 33 ---- 8.194×10 32 David Zhu

18 Time-dependent simulation result 18 Bunch length: 8 um, Energy spread: 4×10 -4, ε x = ε y =1πmm.mrad Lsat: 27.24 m; Psat: 18.64 GW; Peak Brilliance: 2.007×10 33 David Zhu

19 Better electron beam: 19 Bunch length: 7 um, Energy spread: 5×10 -5, ε x = ε y =0.4πmm.mrad Lsat: 27.24 m; Psat: 18.64 GW; Peak Brilliance: 2.007×10 33 David Zhu

20 Two graphs together: 20 Blue line: Bunch length 8 um, Energy spread 4×10 -4, ε x = ε y =1πmm.mrad Read line: Bunch length 7 um, Energy spread 5×10 -5, ε x = ε y =0.4πmm.mrad David Zhu

21 Workshop staff trained in x-band at CERN 14 Jan 2014ACAS/AFAD 2014 - Mark Boland21 Uni. Of Melb. Workshop staff CERN associate for one year

22 Body of evidence for ultralow emittance 14 Jan 2014ACAS/AFAD 2014 - Mark Boland22 ε y = 1.24 ± 0.4 pm World low at the time SLS has now achieved 0.9 pm Our new results are indicating ε y < 0.5 pm

23 Vertical Undulator Spectrum 14 Jan 2014ACAS/AFAD 2014 - Mark Boland23

24 14 Jan 2014ACAS/AFAD 2014 - Mark Boland24 ACAS Institutes Australian Synchrotron Australian Nuclear Science and Technology Organisation The University of Melbourne The Australian National University Formation of ACAS in 2010

25 ICHEP 2012 in Melbourne, accelerator based science on the map 14 Jan 2014ACAS/AFAD 2014 - Mark Boland25

26 International Beam Instrumentation Conference 2015 Melbourne, Australia 14–17 September, 2015

27 ASAP - ACAS School for Accelerator Physics 2008 Ted Wilson, CERN/Oxford Uni. 2010 Ken Peach, CERN/Oxford Uni. 2012 Emmanuel Tsesmelis, CERN/Oxford Uni. 2014 Phil Burrows, JAI/Oxford Uni. – 13-24 January 2014, Melbourne 14 Jan 2014ACAS/AFAD 2014 - Mark Boland27

28 ACAS – Building the future Nurture students into accelerator physics Graduates now working with medical accelerators Willing to contribute to ambitious science projects Strong desire to collaborate 14 Jan 2014ACAS/AFAD 2014 - Mark Boland28

29 Healthy democracy since 2007 14 Jan 2014ACAS/AFAD 2014 - Mark Boland29

30 14 Jan 201430ACAS/AFAD 2014 - Mark Boland


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