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

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

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

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

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

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

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

User Beam Available since Jan 2014ACAS/AFAD Mark Boland8

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

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

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

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

Possible FEL site 14 Jan 2014ACAS/AFAD Mark Boland13

Australian Synchrotron as a test bed 14 Jan 2014ACAS/AFAD 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!

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

Lattice on Undulator Line Q1: T/m, Q2: T/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

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

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

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

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

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

Body of evidence for ultralow emittance 14 Jan 2014ACAS/AFAD 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

Vertical Undulator Spectrum 14 Jan 2014ACAS/AFAD Mark Boland23

14 Jan 2014ACAS/AFAD 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

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

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

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

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 Mark Boland28

Healthy democracy since Jan 2014ACAS/AFAD Mark Boland29

14 Jan ACAS/AFAD Mark Boland