synchrotron radiation at...
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Synchrotron Radiation at HASYLAB/DESY
Hermann Franz, DESY/HASYLAB, Hamburg, Germany
• Current facilities
• DESY‘s future projects
• PETRA III• XFEL
([email protected], www-hasylab.desy.de)H. Franz Hangzhou 16.6.2005
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IntroductionDESY
• Research center in Hamburg, Germany• Member of the Helmholtz society• Funded by the Federal (90%) and local (10%) government• The mission is to develop and operate particle accelerators for particle physics and synchrotron radiation research
HASYLAB• Synchrotron radiation department of DESY• Operating some 40 beamlines in collaboration with
• Hamburg University• European Molecular Biology Laboratory• Max Planck Society• GKSS, GFZ
H. Franz Hangzhou 16.6.2005
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OverviewAcceleratorsfor
High energy physics
and
Research using synchrotron radiationSome 18 km ofaccelerators
H. Franz Hangzhou 16.6.2005
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Overview II
SR facilities
• DORIS• PETRA
• 12 GeV• time sharing mode• one beamline
• VUV-FEL• Free electron laser• 6 nm – 60 nm• user operation about
to start
H. Franz Hangzhou 16.6.2005
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HASYLAB: Hamburger Synchrotronstrahlungslabor
• SR source: DORIS III, 4.45GeV, 150mA• typical lifetime 10 – 20 h, 3 injections/day
• availability > 93 %
• usable energy range: ~eV → 180 keV
• 40 beamlines, ca. 70 Experiments
• more than 2000 users per year (G and EU)H. Franz Hangzhou 16.6.2005
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View of DORIS III
XRD powder, single X-tal, high/low energies
EXAFS 4 – 50 keV, in-situ instrumentation
XPES using soft and hard X-rays
SAXS 3 dedicated stations, 6 – 50 keV
PX operated by EMBL and MPG
NRS ultra high energy resolution
Micro fluorescence capillary optics
User serviceResearchEducation
H. Franz Hangzhou 16.6.2005
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High energy beamline BW5
Powder- / Tripple-axis diffractometer: 65 keV < E < 180 keV
Equipment for high/low temperatures, pressure, strain,....
H. Franz Hangzhou 16.6.2005
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RMC Modell, Zr2Cu
0 2 4 6 8 10 12 14 16 18 20
-2
-1
0
1
2
3
4
5
6 experimental data RMC fit
Q.(S
(Q)-1
)
Q (Å-1)
Zr70Cu30
Very high q
P. Jovari, K. Saksl 2003
H. Franz Hangzhou 16.6.2005
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PETRA III upgrade project
Start of construction in 2007
http://petra3.desy.deH. Franz Hangzhou 16.6.2005
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Upgrade of PETRA
• New magnetic lattice in one arc (NE)
• New vacuum system for the entire ring
• New power supplies and RF system
• State of the art diagnostics and feedback system
• Upgrade of the injection system
• Replacement of damaged magnets
• Installation of damping wigglers to reduce emittance
H. Franz Hangzhou 16.6.2005
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246 m long, 32.3 m wide
~17 m for experiments
263.7 m radius
20 m U
ps option ?
Labs and offices
8 new straights
beam separation: 5° and 23 m
H. Franz Hangzhou 16.6.2005
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PETRA III : a brilliance machine
H. Franz Hangzhou 16.6.2005
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H. Franz Hangzhou 16.6.2005
Beam size – standard ID
-3.5
-2
-0.5
1
2.5
0 10 20 30 40 50 60 70 80 90 100
low beta
66 µrad
high beta
18 µrad
vertical 8.9 µrad
opticstunnel
1.05 x 0.37
2.71 x 0.36
6.66 x 0.88
2.14 x 0.91
FWHM [mm]
at 12 keV
5 m ID
Space for collimating
lenses
-3,5
-2
-0,5
1
2,5
0 10 20 30 40 50 60 70 80 90 100
opticstunnel
0.8 x 0.37
0.93 x 0.91
FWHM [mm]
at 12 keV
5 m ID
Be CRLN = 5τ = 0.8
Focussing will bring us to the range of 20 nm
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PETRA III: Machine parameters
• Positron energy: 6GeV• Positron current: 100mA (upgrade 200mA)• Emittance: 1nmrad (damping wigglers)• Coupling: 1%• Straights for insertion devices: 8(5m) + 1(20m)• 2 canted 2m undulators at 4(5) positions• Independent undulators: 13(14)• Number of bunches: 40-960• Top-up mode
H. Franz Hangzhou 16.6.2005
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PETRA III: Road map
2004: Technical Design Report2004/2005: Final approve by federal (Nov 04) and local
(Mai05) authorities
2004-2006: Design phase, prefabrication of components
2007-2008: Reconstruction of the storage ring, Construction of the experimental hall
2008-2009: Commissioning storage ring and beamlines
Mid 2009: User operationH. Franz Hangzhou 16.6.2005
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• Technical specifications
• Proposals for 22 beamlines
• Materials science
• Solid state physics
• Chemistry
• Life science
• Geosciences
Focus on high brilliance
H. Franz Hangzhou 16.6.2005
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Complex biomolecules
Blue Tongue Virus
Large number of close Bragg spots
Low divergence is essential
J.M. Grimes, J.N. Burroughs, P. Guet, J.M. Diprose, R. Malby, S. Zientra, P. Mertens, D.I. Stuart, Nature, 395, 470-478 (1998) H. Franz Hangzhou 16.6.2005
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Materials science
Hard X-rays: 50-100 keV; penetration depth 5 cm in Al, 4 mm in Fe
Looking at grain statistics: Position, morphology, orientation, deformation (plastic/elastic), composition
Spacial resolution now: 1.5 x 5 x 50 µm3 at PETRA III below 1µm (2-d)
Todays powder samples will be the singlecrystals of tomorrow
H. Franz Hangzhou 16.6.2005
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List of experiments
# ID Experiment 1 Experiment 2 Comment Inst. In charge1 20m Nuclear resonant scattering, ps-timing Inelastic X-ray scattering under discussion DESY
2 5m XUV/VUV DESY
3 2m Micro focus SAXS/WAXS side DESY
2m free slot
4 2m Micro- and nano-tomography, imaging side DESY/GKSS
2m Hard X-ray micro probe, imaging straight DESY
5 5m High energy X-ray diffraction High energy materials science GKSS/DESY
6 2m Resonant X-ray scattering straight DESY
2m High resolution X-ray diffraction side/top DESY
7 5m Coherence applications DESY
8 2m BioSAXS ASAXS straight EMBL
2m free slot
9 2m Macro molecular crystallography EMBL
2m Macro molecular crystallography EMBL
H. Franz Hangzhou 16.6.2005
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European X-FEL project
H. Franz Hangzhou 16.6.2005
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Brillance
H. Franz Hangzhou 16.6.2005
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X-FEL: Road map
2003: Approval by federal government forX-FEL as european project
2004-2005: MoU signed by (european) partners
2005: Plan approval procedure
End 2005: Final decision for construction
2006: Start of construction
2011-2012: First laser-lightH. Franz Hangzhou 16.6.2005