Francis Perez 16th ESLS RF Meeting, ALBA , 2012 ALBA, Status and Operation Francis Perez
Francis Perez16th ESLS RF Meeting, ALBA , 2012
ALBA, Status and Operation
Francis Perez
Francis Perez16th ESLS RF Meeting, ALBA , 2012
Introduction to ALBA
Status
Operation
Francis Perez16th ESLS RF Meeting, ALBA , 2012
Introduction to ALBA
Francis Perez16th ESLS RF Meeting, ALBA , 2012
The ALBA TeamWe are today ~150
Francis Perez16th ESLS RF Meeting, ALBA , 2012
and I got new responsibilities!
Responsibilities
associated with
ties!!
Francis Perez16th ESLS RF Meeting, ALBA , 2012
� 3 GeV electron Storage Ring
� 31 beamlines (7 on day one)
� Funding is 50% Spanish – 50% Catalan Governments
� Designed for sub-micron stability and top-up operation
ALBA Synchrotron Light Source
Francis Perez16th ESLS RF Meeting, ALBA , 2012
ALBA founded April 2003
ALBA 1st worker Dec 2003
Design work 2004-2005
Start main building works July 2006
Start Linac installation Feb 2008
Linac commissioning Sept - Oct 2008
Booster and SR installation Feb – Dec 2009
Booster commissioning Jan – Oct 2010
SR Installation Feb – Dec 2010
Storage Ring commissioning March – Nov 2011
Beamlines commissioning Oct 2011 – Dec 2012
Start of Users Operation May 2012
ALBA History
Francis Perez16th ESLS RF Meeting, ALBA , 2012
Workshop
Electricity
Cooling - HVAC
Offices
Parking
Warehouse
Main Building
Francis Perez16th ESLS RF Meeting, ALBA , 2012
ALBA Accelerators
LINAC100 Mev
BOOSTER100 MeV – 3 GeV
STORAGE RING3 GeV
Francis Perez16th ESLS RF Meeting, ALBA , 2012
SR and BOOSTER sharing the tunnel
BoosterSR
In vacuum undulatorRF cavitiesBending
Francis Perez16th ESLS RF Meeting, ALBA , 2012
Storage Ring: Main Parameters
Electron beam energy 3.0 GeV
Storage Ring Circumference 268.8 m
Number of cells 16
Symmetry 4
Straight section lengths 4 x 8.0 m (3 ID’s+Inj)
12 x 4.4 m (12 ID’s)
8 x 2.6 m (2 ID’s+RF+Diagn)
Beam current 400 mA
Emittance 4 nm.rad
Lifetime > 10 h
Francis Perez16th ESLS RF Meeting, ALBA , 2012
Phase 1:
7 Beamlines under commissioning
6 ID’s and 1 bending magnet port
In addition, 2 bending magnet ports for Electron Beam Diagnostic
Phase 2:
8 proposal have been evaluated
2 new beamlines are approved but pending financial budget
In total:
Capability for 17 ID beamlines
And 14 bending magnet beamlines
ALBA BEAMLINES
Francis Perez16th ESLS RF Meeting, ALBA , 2012
Bending: e- Diagnostics
SCW30
EXAFS
Bending
Microscopy
IVU21
Macromolecular CristalographyIVU21
Non Cristaline Diffraction
W65
XAS
EU62
Photoemission
spectroscopies
EU71
Polarization dependent
spectroscopiesBending: e- Diagnostics
ALBA BEAMLINES
Francis Perez16th ESLS RF Meeting, ALBA , 2012
Status
Francis Perez16th ESLS RF Meeting, ALBA , 2012
Multibunch mode
4 nC at linac exit
Main linac parameters:
� All parameters within specs
� Operation modes: single bunch & multibunchFew bunches mode
0.25 nC/bunch at linac exit
εεεεx (norm.) ≈ 9 mm·mrad∆∆∆∆E/E = 0.16% (rms)
Parameters Specifications Working
E MeV 100-130 110
∆E/E rms < 0.50 0.16
Norm. εx,y mm·mrad < 30 < 15
LINAC
Francis Perez16th ESLS RF Meeting, ALBA , 2012
Main BO parameters:
� C = 249.6 m, shares tunnel with SR
� E = 110 MeV to 3.0 GeV
� εx ≈ 10 nm·mrad
� Repetition rate: 1 Hz for comm.
3.125 Hz for operation
� Good agreement with the model
0 50 100 150 200 2500
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
BPM position, s [m]
horiz
onta
l dis
pers
ion
func
tion,
ηx [m
]
modelmeasured
3 GeV200 MeV
BOOSTER
Francis Perez16th ESLS RF Meeting, ALBA , 2012
STORAGE RING
Nominal Achieved
Energy 3 GeV 3 GeV
Max. Current 400 mA 200 mA
Tunes 18.18, 8.37 18.15, 8.37
Emittance 4.3 nm·rad 4.4 ± 0.4 nm·rad
Energy spread 1.05·10-3 1.00·10-3
Coupling < 1 % 0.5 %
Lifetime @ 100 mA >10 h 10 h
Ah accumulated >100
Francis Perez16th ESLS RF Meeting, ALBA , 2012
INSERTION DEVICES
13.07.2012
Phase I beamlines: 6 x IDs All IDs fully operational
1 x Bending
� Spectral range: from UV (80 eV) to hard x-rays (50 keV)
� High brilliance: 1020 at 2 keV
Francis Perez16th ESLS RF Meeting, ALBA , 2012
BBA: Beam based alignment.
→ align BPM to center of quad
Raw orbit without correctors after BBA
Horizontal orbit < 3mm
Vertical orbit < 2 mm
Good alignment
CLOSED ORBIT
Francis Perez16th ESLS RF Meeting, ALBA , 2012
SOFB (Slow Orbit FeedBack)
� Running every 3 s
� With RF frequency included on SOFB
RMS-Values:
σx = 0.5 µm
σy = 0.2 μm
Beam Stability over 24 h
-0.005
-0.004
-0.003
-0.002
-0.001
0.000
0.001
0.002
0.003
0.004
0.005
0 4 8 12 16 20 24
Time [h]
BP
M [
mm
]
0
25
50
75
100
125
Cu
rrent [m
A]
BPMx [8,2] BPMy [8,2] Current
ORBIT STABILITY
Francis Perez16th ESLS RF Meeting, ALBA , 2012
Long term drift @ MSPD
Vertical plane
Projection
eBPMs
Front End
E XBPM 90 umChange of RF freq since Feb 2012
PHOTON BEAM STABILITY
Francis Perez16th ESLS RF Meeting, ALBA , 2012
“BUILDING” STABILITY
Change in RF frequency
~ 3 kHz
Change in Circumference
~ 2 mm
Francis Perez16th ESLS RF Meeting, ALBA , 2012
Operation
Francis Perez16th ESLS RF Meeting, ALBA , 2012
TRANSITION
End 2011: Transition to Operation
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
oc
tob
er
no
ve
mb
er
de
ce
mb
er
Month 2011
ho
urs
of
op
era
tia
on
BLs
injections
down time
SR comm.
Francis Perez16th ESLS RF Meeting, ALBA , 2012
4300 h of operation
3200 h for Beamlines
1100 h for accelerators
development
OPERATION 2012
� Running 3 shifts/day
� Runs of 24 days on average
� Monday: Accelerators start-up
� Tuesday 07h00 – Monday 07h00 Beam for users
� 2 long shut downs, 5 short (1 w) shut downs
Francis Perez16th ESLS RF Meeting, ALBA , 2012
7th May 2012: First users
Francis Perez16th ESLS RF Meeting, ALBA , 2012
Statistics Jan-Sept 2012
� Beamline operation:
� 2073 planned
� 1950 delivered
� 94 % beam availability:
OPERATION 2012
Hours for BLs: Planed vs. Delivered
0
100
200
300
400
500
RU
N_
01
RU
N_
02
RU
N_
03
RU
N_
04
RU
N_
05
RU
N_
06
RU
N_
07
RU
N_
08
RU
N_
09
Run #
Ho
urs
[h
]
Planned
Delivered
Hours for BLs: % Delivered vs Planned
75%
80%
85%
90%
95%
100%
RU
N_
01
RU
N_
02
RU
N_
03
RU
N_
04
RU
N_
05
RU
N_
06
RU
N_
07
RU
N_
08
RU
N_
09
Run #
Ho
urs
[h
]
Francis Perez16th ESLS RF Meeting, ALBA , 2012
OPERATION 2012
BEAM FOR BEAMLINES:
By Number of Failures
BL
3%CT
5%
DI
1%
EPS
2%
ID
3%
INF
2%
LI
1%
MML
1%
OE
3%
OI
2%OT
7%
PM
2%
PS
10%
PSS
3%
RF
53%
VC
1,0%
WI
1,0%
BL
CT
DI
EPS
ID
INF
LI
MML
OE
OI
OT
PM
PS
PSS
RF
VC
WI
Francis Perez16th ESLS RF Meeting, ALBA , 2012
OPERATION 2012
BEAM FOR BEAMLINES:
By Downtime
BL
4%CT
3%
DI
1%
EPS
2%
ID
1%
INF
4%
LI
2%
MML
1%
OE
1%
OI
1%
OT
12%
PM
11%
PS
27%
PSS
3%
RF
27%
VC
0,4%
WI
0,4% BL
CT
DI
EPS
ID
INF
LI
MML
OE
OI
OT
PM
PS
PSS
RF
VC
WI
Francis Perez16th ESLS RF Meeting, ALBA , 2012
SUMMARY
� Main specifications for ALBA have been reached
� ALBA is already open to users
� 2013 will have:
� 3600 hours for BLs (2800 for users)
� 1400 hours for Accelerators
� Future work:
� FOFB
� Top-up
� Fast Feedback system
� Increase operation current
Francis Perez16th ESLS RF Meeting, ALBA , 2012
Thank you