DESY Lab Talk. · DESY Lab Talk. 2019 LLRF Workshop, Chicago Sept. 29 - Oct. 03 2019 Holger...
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DESY Lab Talk. 2019 LLRF Workshop, Chicago Sept. 29 - Oct. 03 2019 Holger Schlarb, for the DESY LLRF team Chicago, 09/29/2019
Transcript of DESY Lab Talk. · DESY Lab Talk. 2019 LLRF Workshop, Chicago Sept. 29 - Oct. 03 2019 Holger...
DESY Lab Talk.
2019 LLRF Workshop, Chicago
Sept. 29 - Oct. 03 2019
Holger Schlarb,
for the DESY LLRF team
Chicago, 09/29/2019
Page 2
DESY Accelerators & News
DESY Lab Talk | LLRF Conf. 2019; Chicago | Holger Schlarb, 29.09.2019
DESY on a glance
Page 3
DESY Accelerators & News
DESY Lab Talk | LLRF Conf. 2019; Chicago | Holger Schlarb, 29.09.2019
DESY on a glance
Wim LeemansReinhard Brinkmann
• M-Director has changed:02/2019
• Large conventional accelerator projects:
- FLASH2020+ 2020 (Und/Energy/Adv. FEL/Seeding/Synchr.)
- PETRAIV 2025 (CDR compl.; MBA, x100 brilliance)
- EuXFEL-CW >2030 (CW operation at EuXFEL)
• Plasma Accelerator Group:
~ kHz, ~ J
Class laser
Page 4
Facility overview
DESY Lab Talk | LLRF Conf. 2019; Chicago | Holger Schlarb, 29.09.2019
LLRF user facility: EuXFEL
784 SRF cavities / 1.3 & 3.9 GHz / 26 RF stations / pulsed / ~ mA; 1 NRF gun; 2 TDS at 3 GHz
LLRF user facility: FLASH
315 m
5 MeV 150 MeV 1250 MeV
Bunch Compressors
450 MeV
Accelerating StructuresRF Stations
LasersRF Gun
Fixed Gap
UndulatorssFLASHPhoton
DiagnosticsTHzFLASH1
FEL Experiments
3.4 km
60 SRF cavities / 1.3 & 3.9 GHz / 5 RF stations / pulsed / ~ mA; 1 NRF gun; 1 TDS/1 NRF 3 GHz; 1 PolariX 12GHz
PolariX
TDS 12 GHz
PSI-CERN-DESY
collaboration
07/2019
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Facility overview
DESY Lab Talk | LLRF Conf. 2019; Chicago | Holger Schlarb, 29.09.2019
LLRF for smaller accelerators and test facilities
PITZ REGAE (UED) SINBAD (ARD) AMTF CMTB
LLRF for external accelerator facilities (construction/support/consulting…)
ELBE (HZDR) FLUTE (KIT) TARLA (Uni Ankara) NICA (Dubna) +…
NRF Gun/booster/TDS
1.3 GHz, 1 ms/ 3 GHz
NRF Gun/booster/TDS
3.0 GHz
NRF gun/3xTWS/PolariX
3.0 GHz / 12 GHzSRF Cryo-M./ 3rd / gun
1.3 GHz / 3.9 GHz
SRF Cryo-Module CW
1.3 GHz, IOT
SRF / NRF 6 cav.
1.3 GHz / 260 MHz
NRF gun/booster
3.0 GHz
SRF /NRF 6 cav.
1.3 GHz / 260 MHzNRF, 5 cav.
162 MHz
Poster M. Urbanski;
Poster C. Gümüs;
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Developments & upgrades for user facility
DESY Lab Talk | LLRF Conf. 2019; Chicago | Holger Schlarb, 29.09.2019
EuXFEL: LLRF health monitoring Performance tracking Multi-beamline operation
cavitie
s
EuXFEL: Piezo operation Beam loading compensation Klystron lifetime management
Poster L. Butkowski; Talk M. Omet given by Julian; Th
Greatly reduced downtime
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Developments & upgrades for user facility
DESY Lab Talk | LLRF Conf. 2019; Chicago | Holger Schlarb, 29.09.2019
EuXFEL: LLRF automation… basic operation advanced operation
Automation for routine operation• Automatic setup / calibration / tuning
Automation for FB and RF operation• Phase modulation/Output Vector Correction
• RF – Cryo operations / Finite State Machine
Automation for fault detection and analysis• Post mortem statistics / Run-time detection / Anomalies
Overview talk J. Branlard; Mo
Talk M. Grecki; Tu
Poster S. Pfeiffer;
EuXFEL: Maximum Gradient Task Force
14.5
14.5
14.7 14.9
14.9
15.1
15.3
15.3
15.3
15.4
15.5
15.5
15.6
15.6
15.7
15.7
15.8
15.8
15.9
15.9
15.9
15.9
15.9
15.9 16.2
17.4
6
17.5
6
17.6
17.6
17.6
17.6
17.6
17.6
17.6
14
14.5
15
15.5
16
16.5
17
17.5
18
18.5
19
E m
ax [G
eV
]
Design energy Max energy possible with 2.4 GeV at BC2
Design energy of 17.5 GeVSystematic study of gradient limits
• Cavity / waveguide / klystron
Tuning to reach max gradients• Cavity detuning / Coupler conditioning etc
Successfully reached design energy
Talk from M. Omet given by Julian; Th
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Developments & upgrades for user facility
DESY Lab Talk | LLRF Conf. 2019; Chicago | Holger Schlarb, 29.09.2019
MO Redundancy Controller FLASH: LLRF status & upgrades X-band LLRF PolariX
Talk Ch. Schmidt; Th
Poster Ch. Schmidt;
Drift Calibration Module Maintenance/Inventory Management PS Redundancy/Remote Control
Poster A. Rosner; Poster B. Szczepanski;
XDWC:12 GHz 3 GHz
XUPC: 3 GHz 12 GHz
XLOG: 3 GHZ 9 GHz
< 2 fs add. jitter
Talk & Poster M. Reukauff; Tu/WePoster B. Gasowski;
FB cavity
WG distr.
Oper. Statistics
Performance monitor
MO upgrade
PZT operation
… many more
Planned installation 2020, EuXFEL
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Correlate arrival times
1932m
Developments & upgrades for user facility
DESY Lab Talk | LLRF Conf. 2019; Chicago | Holger Schlarb, 29.09.2019
EuXFEL: Hybrid RF-Optical synchronization reference system
Poster H. Schlarb;
Mean free error
12.9 fs rms
Chain: MLO SLO Link BAM < 2.0 fs rms
12 fs
2.1fs
1 min
Resolution
of monitor
Fast FB
With fast beam feedbacks: ~ 4 fs rms feasible
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Ongoing R&D projects
DESY Lab Talk | LLRF Conf. 2019; Chicago | Holger Schlarb, 29.09.2019
Next generation attosecond RF field receiver: Carrier Suppression Interferometer (CSI)
For CW: drift calibration
Poster U. Mavric;
Smith Predictor for LLRF controls
Talk M. Hoffmann; We Talk/Poster A. Bellandi; We/Tu
For CW: QL//Quench detect.
Pilot tone injection carefully studied
Systematic component study …
Architecture tests … etc
Talk L. Springer; WeSee E. Rubiola, FEMTO-ST Institute
-40 dB
< 100as
10Hz-
1MHz
?
Thank youCredits Accelerator Beam Controls team (MSK)
LLRF Leader
Contact
Deutsches
Elektronen-Synchrotron
www.desy.de
Holger Schlarb
MSK
+49 40 8998 94454
