Forschungszentrum Karlsruhe
In der Helmholtz-Gemeinschaft

Coherent Synchrotron Edge Radiation
and Applications at ANKA
Yves-Laurent Mathis*, Anke-Susanne Müller,
Biliana Gasharova and David Moss
Synchrotron Light Source ANKA
Karlsruhe Research Center, Germany*mathis@anka.fzk.de

UVSOR Workshop on THz CSR, Sept. 23-25, 2007

Where is ANKA?
) MAXLAB# SRSDIAMOND#DeltaSOLEIL#)
LURE#BESSY

ANKA)
SLS)
ESRF

ELETTRA)

Barcelona# DAFNE

The facility

NANOFABLAB

P-Diff
XAS

abienlMednlabMedieSULnlab
Mediebienla
Medthslabyrin
Lüftunglab.
ungs
LüftTopo
IMAGE
Gar de rob es chr an k

PSS 1PSS 2 PSS 3Wiggler

2.5 GeV
Storage Ring

Re inr au mg ard erob esch ra nk

RST 1 RST 2Schuhbarr iere

Cleanroom

INE

Sc an 3

OI 3 RST 3500 MeV Booster

LIGA III

Fluo

SCHU

2arm in
La

A rb
1eit

LIGA Ian
Sc
1MicrotronArbeitsp.l

LIGA II
OI
1,2ENTIRSLIT

IR 1Laminar 1

VFML

Scan2

SCD

SCUW

GRATINGSCU14MPG-MF
L IT
EXIT S

Diagnostic
Front-End

IR2PEEM

NANO

WERAPESSXMCDNANO-FAB-LAB

25.01.05 U. Herberger

0 2 4 6 8 10 m

ANKA-IR beamline layout

e- beam

MPI-FKF

c hrotron radia5,281ellipsometerSyn*)*)

High pressure
set-up

FT-IR spectrometers

SUL-IR

IR-microscopetion

Magnetic profile
at a dipole of ANKA
Magnetic Field [T]Spatial distribution
from the edge at3m from the source

1.5

1.0

0.5

0.0
1.0m
0.5
0.0-0.5-1.0Position on particle trajectory [m]1000-2050

2002.0-20
1.5-40mm

99-40mm2.5y [mm]20y [mm]

401500-40mm -20020x [mm]40Photons/s/.1%bw/mm^2 x10

Photons/s/.1%bw/mm^2 x1040

Spatial distribution
from the dipole at3m from the source-40mm -20

λ = 100 μm

020x [mm]40Edge radiation at ANKA-IR

in the visible
at 2.5 GeV

in the mid–IR:
700-1400 cm-1
at 2.5 GeV

Coherent Synchrotron Radiation:
gain up to 104 (Si bolometer)

Coherent “low α“ mode at ANKA
• Single user mode
- E = 1.3 GeV- initial current intensity ~ 50-70 mA- lifetime ~ 15 hours- effective bunch length < 1 ps- spectral range ~ 5 – 50 cm-1
• 6 blocks of 2 days per year

FTIR ellipsometric assembly

C. Bernhard (Fribourg Univ., Switzerland), Alexander Boris (Max Planck Inst., Stuttgart, Germany)Ellipsometry principle
Elliptically polarized lightdetermined by:
1. Relative phase shift, ∆ = δp – δs
2. Relative attenuation, tan Ψ = IrpI/IrsI

Intensity

2.0

1.0

0.0

090

180

270

Analyzer angle (Ai )From : I(Ai)/I0 a = 1 + α sin(2Ai) + β cos(2Ai)

Obtain: ε (ω, α, β, ϕ, P) = ε1(ω) + i ε2(ω)

360Soft mode spectroscopy: experimental studies ofstructural phase transitions
14161820

2224

For review: J. F. Scott,Rev. Mod.Phys. 46, 83–128 (1974)

12000

10 K
20 K
30 K
40 K

ε28000

Sr

4000

050 K
80 K
125 K
200 K

ε14000Ti

0-400014161820

2224-1

Wave number (cm )1st ellipsometric measurements using CESR (July 2005)
C. Bernhard, A. Boris, Y.-L. Mathis, A.-S. Müller

Far infrared and THz analysis of biological metalsites in proteins and related model

Reduced-minus-oxydized FTIR difference spectrum of Cytochrome cin solution

C. Berthomieu, R. Hienerwadel, D. Moss, M. Rouziere

ANKA annual report 2007

Far infrared and THz analysis of biological metalsites in proteins and related model

Red-minus-ox and ox-minus-red
FTIR difference spectra ofCytochrome c in solution

C. Berthomieu, R. Hienerwadel, D. Moss, M. Rouziere

ANKA annual report 2007

Future infrared beamlines

NANOFABLAB

XAS

SULnlabMedieinthslabyr
Lüftung.
ngslab
Lüftu

TopoIMAGEGar de robs chr an ke-PSS 1PSS 2 PSS 3Wiggler

RST 1 RST 2Re inr au me-g ard erob
sch ra nk

INE

2.5 GeV
Storage Ring

Schuhbarriere

CleanroomabienlMednlabMediebienlaMed

IR 3(projected)

P-Diff

Sc an 3

OI 3 RST 3500 MeV Booster

LIGA III

Fluo

SCHU

2arm in
La

A rb
1eit

LIGA Ian
Sc
1MicrotronA

rbe
itsp.lLIGA II
OI
1,2ENTIRSLITSCU14GRATING

IR 1(operational)

Laminar 1VFML

S can2SCD

SCUW

MPG-MFIR 2 (underconstruction)

L IT
EXIT S

IR2PEEM

NANO

Diagnostic
Front-EndWERAPESSXMCD

NANO-FAB-LAB

25.01.05 U. Herberger

0 2 4 6 8 10 m

SummaryCoherent “low α“ mode at ANKA
• Single user mode
- E = 1.3 GeV- initial current intensity ~ 50-70 mA- lifetime ~ 15 hours- effective bunch length < 1 ps
- spectral range ~ 5 – 50 cm-1
• 6 blocks of 2 days per year (this will double with IR 2)
Studies are going on to improve the source understanding
First successful experiments on solid (SrTiO3) and on protein(Cytochrome c)Acknowledgments• the accelerator group at ANKA
• Michael Süpfle, ANKA
• Christian Bernhard, University of Fribourg, Switzerland• Alexander Boris, Bernhard Keimer, Max Planck Institute for Solid State
Research, Stuttgart, Germany• Catherine Berthomieu, Protein Metal Interaction Laboratory, CEACadarache, France• Rainer Hienerwadel, Plants Genetics and Biophysics Laboratory,
University of Aix-Marseille, France• Mathieu Rouzière, SOLEIL, France