Introduction to Synchrotron Light Sources

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1 Introduction to Synchrotron Light Sources Sverker Werin MAX IV Laboratory Lund University smell like rotten eggs_.html mobile battery life/ Sverker Werin, Lund University, NPAS

2 Investigate and see! avslojadeaggstockscancer/ content/uploads/2010/05/nicole katano explore child in the rain.jpg Sverker Werin, Lund University, NPAS

3 Light to investigate the world Wavelength 1 nm 1 um 1 mm 1 m 1 km Sverker Werin MAX IV laboratory, Lund University 20 Sverker Werin, Lund University, NPAS

4 Light sources around us Light sources around us Plasma oscillations Guillaume Genoud, Lund University Synchrotron Radiation lab Laser plasma Phil Alibrandi aspx?aid=48173 Sverker Werin MAX IV laboratory, Lund University 21 Sverker Werin MAX IV laboratory, Lund University 22 Synchrotron Laboratory (MAX lab) The pieces of MAX IV Sverker Werin MAX IV laboratory, Lund University 23 Sverker Werin, Lund University, NPAS

5 Acceleration Kanon och linac Acceleration Gun and linac 1.5 V 1.5 ev but MeV or GeV? Acceleration Gun and linac Linear accelerator (MAX IV) Sverker Werin, Lund University, NPAS

6 Inside the ring building Styra around the ring Dipole / bending magnet Quadrupole Sverker Werin, Lund University, NPAS

7 Quadrupole y x Light and undulators First discovery of SR 1947 "On April 24, Langmuir and I were running the machine we asked the technician to observe with a mirror around the protective concrete wall. (Herb Pollock) General Electric Research Laboratory, Schenectady, NY, US Sverker Werin MAX IV laboratory, Lund University 39 Sverker Werin, Lund University, NPAS

8 Techniques at a beam line Samples Scattering Spectroscopy Imageing Catalyser (rhodium) Geometry and chemical bonds with the help of photo electron spectroscopy Energy relatedresearch Grätzel type solar cell Rechargeable Li batteries Clean rhodiumcrystal surface Some oxygen added Bonding of dye molecules Probing charge transfer times < 2.5 fs J. Schnadt et al. Sverker Werin, Lund University, NPAS

9 What happens with the wood in the Vasa ship? What happens with the wood in the Vasa ship? Svavel Svavel XANES spektra från Vasa Sulfat S 2-8 SO mm top x x3 Normalized Intensity x20 x120 x x200 Photo: Hans Hammarskiöld, the Vasa Museum Nature 2002, 415, M. Sandström et al Energy (ev) Drugs (ribosome in a bakteria) 0th and 1st generation light sources Parasitic machines, built to do something else Nobel price in Chemistry Venkatraman Ramakrishnan, Thomas A. Steitz och Ada E. Yonath DESY 7.4 GeV electron synchrotron 1964 electron positron collider 1967 SR production as a side effect ACO in Orsay, Paris Electron positron collider 500 MeV Where is DESY? (Erased from history?) Sverker Werin, Lund University, NPAS

10 2nd generation light sources Built to produce Synchrotron Radiation from bending magnets. 3rd generation Synchrotron sources nearby built to use undulators Tantalus, 240 MeV, Wisconsin (Ed Rowe) ( ) The injector in Jordan as SESAME (2014) MAX I, 550 MeV, Lund, Sweden ( ) BESSY I, Berlin, 800 MeV ( ) berlin.de/tui/00jan/bessy_1.htm Diamond, Oxford Soleil, Paris BESSY II, Berlin MAX II, Lund What comes next? Ring (96 m circumf) Ring (528 m circumf) Linear accelerator (ca 250 m) What is MAX IV? Experimental stations Smallest Sweden s 2000 electron first largest sketches emittance guns research facility Larger Building m ready linear wavelength 2 billion for accelerator start kr ( >rent) ofrange construction (PEAB, Whilborgs) Accelerator storagefirst rings( electrons billion kr accelerated m) X rays Beamlines ~ experimental linear + experimental accelerator stations stations full energy 0.1 billion/pc Financed Stable 2015 (1 finnish estonian+1 firstby experiments Lund University, danish) Research council, More short Vinnova the experimental pulse rings and facility are Region completed Skåne. stations 2016 first experiments at the rings MAX IV is Inauguration not ESS Electron source Sverker Werin, Lund University, NPAS

11 What is MAX IV? How? Circumference (m) 528 Nr of straight sections 20 Injection full energy, top up Stored current (ma) 500 Horizontal emittance (nm rad) Vertical emittance (nm rad) < Horizontal beam size (σ µm) Vertical beam size (σ µm) < 6 Small dispersion Sextupoles and chromaticity corr.? Instabilities (?) High density Stretch the beam 100 MHz RF 7 BA Small emittance Small beam SR ports? Small vacuum chamber Pumping? Small magnets NEG coating Harmonic cavities Short linac Thanks for listening! Sverker Werin, Lund University, NPAS

Damping Wigglers in PETRA III

Damping Wigglers in PETRA III WIGGLE2005, Frascati 21-22.2.2005 Winni Decking, DESY-MPY Introduction Damping Wiggler Parameters Nonlinear Dynamics with DW Operational Aspects Summary DESY and its Accelerators