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FEL and linac plans at MAX IV laboratory Francesca Curbis Accelerator Physics, Lund University MAX IV laboratory.

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Presentation on theme: "FEL and linac plans at MAX IV laboratory Francesca Curbis Accelerator Physics, Lund University MAX IV laboratory."— Presentation transcript:

1 FEL and linac plans at MAX IV laboratory Francesca Curbis Accelerator Physics, Lund University MAX IV laboratory

2 1/31/2013 F.Curbis, FEL plans at MAX IV laboratory CLIC workshop, High gradient day 1.5 GeV ring (96 m) 3 GeV Storage ring (528 m) Short Pulse Facility (SPF) (Free Electron Laser) ? Linear accelerator (ca 250 m long)

3 1/31/2013 F.Curbis, FEL plans at MAX IV laboratory CLIC workshop, High gradient day SPF hallLinac tunnel

4 MAX IV site July /31/2013 F.Curbis, FEL plans at MAX IV laboratory CLIC workshop, High gradient day 1/31/2013 F.Curbis, Linac and FEL plans at MAX IV laboratory CLIC workshop, High gradient day MAX IV site July /31/2013 F.Curbis, FEL plans at MAX IV laboratory CLIC workshop, High gradient day Klystron tunnel BC2 & undulator hall

5 1/31/2013 F.Curbis, FEL plans at MAX IV laboratory CLIC workshop, High gradient day Photo cathode RF-gun (1.6 cell, Cu, UCLA-Radiabeam/Elettra type)  SPF Thermionic RF-gun (BaO, MAX-lab type)  Ring injection 39 S-band structures SLED Double-coupled (2 pcs/klystron) 100 Hz Double achromat Bunch compressors (”self linearising” with T566+ sextupoles for tuning): positive (fixed) R56, compression varied with RF phase

6 1/31/2013 F.Curbis, Linac and FEL plans at MAX IV laboratory CLIC workshop, High gradient day L2AL2BL3AL3B L4A L4BL7AL7BL8A L8B L18B BC MeV Extraction 1.5 GeV Extraction 3 GeV Photo cathode RF gun Kicker & septum SPF Diagnostics L18A L0 L1A L1B BC1 260 MeV

7 1/31/2013 F.Curbis, FEL plans at MAX IV laboratory CLIC workshop, High gradient day high I peak -SPF I ~ 18 kA (100 pC) Δt ~ 10 fs FWHM ɛ ~ 2.5 mm mraddE/E ~ 0.25 % FEL kick of, 24 th of October 2012, Sara Thorin low ɛ -FEL ɛ ~ 0.45 mm mrad (slice) dE/E ~ % Δt ~ 20 fs FWHM I ~ 3.5 kA

8 Why a FEL in Lund? – Many years of development in CHG, linac technology, RF guns, photocathodes & lasers, bunch compressors, MAX IV linac – Swedish strong user community – Agreement between MAX IV laboratory, Uppsala U, Stockholm U, SLU, FEL center Stockholm-Uppsala, Lund Laser Center for a X-ray FEL – Steering committee  Swedish scientific case 1/31/2013 F.Curbis, FEL plans at MAX IV laboratory CLIC workshop, High gradient day

9 1/31/2013 F.Curbis, FEL plans at MAX IV laboratory CLIC workshop, High gradient day 10 m 28 m 50 m 36 m FemtoMAX “Quick” FEL “Full” FEL Keep energy 1 nm SPF beam Presented by S. Werin at Workshop on the Science and Technology of 4th Generation Light Sources Based on Superconducting Technology, Stockholm, November 2012 Increase energy 1 Å Improved beam

10 1/31/2013 F.Curbis, FEL plans at MAX IV laboratory CLIC workshop, High gradient day 10 m 28 m 50 m 36 m FemtoMAX “Quick” FEL Full FEL 4.2 KeV (3 Å) ph/pulse 100 Hz 1D model estimate Presented by S. Werin at Workshop on the Science and Technology of 4th Generation Light Sources Based on Superconducting Technology, Stockholm, November 2012

11 1/31/2013 F.Curbis, FEL plans at MAX IV laboratory CLIC workshop, High gradient day 28 m 50 m 36 m FemtoMAX +1 GeV Wavelength 2 Å Flux >10 12 ph/pulse Peak power ~ 100 GW Stability by seeding Focus 1 um (beamline) Tapering seedtaper undulatorsbeamline ~80 m~75 m~150 m Presented by S. Werin at Workshop on the Science and Technology of 4th Generation Light Sources Based on Superconducting Technology, Stockholm, November 2012

12 Parameter space under investigation Start-to-end simulations being initiated – Investigations on the RF gun, bunch compressors, FEL schemes (self seeding, tapering) Linac extension not defined (S-band? X-band?) 1/31/2013 F.Curbis, FEL plans at MAX IV laboratory CLIC workshop, High gradient day

13 1/31/2013 F.Curbis, FEL plans at MAX IV laboratory CLIC workshop, High gradient day Thanks for your attention


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