First operation of the TTF2 injector with beam

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First operation of the TTF2 injector with beam
Jean-Paul Carneiro DESY Hamburg TESLA
COLLABORATION MEETING DESY Hamburg, 16 Sept 2003
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TTF2 INJECTOR SCHEMATIC
RF GUN SOLENOIDES
BC 2
ACC 1
DOUBLET
S. H.
TRIPLET
dump
STOP SIMULATIONS AT Z 19 M
Nominal Operation (1) First Operation (2)
Bunch Charge 1 nC OK Laser Diameter 3 mm
(uniform) OK Laser pulse length 20 ps flat top
3 ps rise time 20 ps flat top 6 ps rise time
Solenoid Bmax 163 mT OK Phase Gun 34
Deg OK Field Cathode 40 MV/m OK ACC1 (cav 1
to 4) 12.5 MV/m 15 MV/m ACC1 (cav 5 to 8) 20
MV/m 15 MV/m Phase ACC1 -10.8 Deg (w.r.t max
energy) on crest ACC39 14
MV/m not present Phase ACC39 183.0 Deg (w.r.t
max energy) not present
(1) From P.Piot, EPAC 2002, p. 1798 (2) From S.
Schreiber, private communication
Jean-Paul Carneiro
FIRST OPERATION OF THE TTF2 INJECTOR WITH BEAM
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TTF2 LASER (ASTRA GENERATOR OUTPUTS, 2E5 p.)
Transverse distribution uniform, r 1.5 mm
Longitudinal distribution uniform, L20 ps with
5 ps rise times Thermal emittance 55 keV
From TELSA-FEL 97-01 (K. Floettmann)
Longitudinal distribution
Transverse distribution
Jean-Paul Carneiro
FIRST OPERATION OF THE TTF2 INJECTOR WITH BEAM
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PHASE SCAN OF TESLA XFEL WITH ASTRA
TTF2 NOMINAL 40 MV/m, 0.163 T, L 20 ps 3
ps rise time, r 1.5 mm (plot presented at the
S2E Workshop, DESY ZEUTHEN, AUG-2002,
http//www.desy.de/s2e)
Jean-Paul Carneiro
FIRST OPERATION OF THE TTF2 INJECTOR WITH BEAM
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ENERGY AND ENERGY SPREAD
Jean-Paul Carneiro
FIRST OPERATION OF THE TTF2 INJECTOR WITH BEAM
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LONG. PHASE SPACE AT Z19 M (END INJECTOR)
NOMINAL
FIRST OPERATION
HEAD
TAIL
TAIL
TAIL
HEAD
Jean-Paul Carneiro
FIRST OPERATION OF THE TTF2 INJECTOR WITH BEAM
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EMITTANCE AND ENVELOPE
Jean-Paul Carneiro
FIRST OPERATION OF THE TTF2 INJECTOR WITH BEAM
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BUNCH LENGTH
Jean-Paul Carneiro
FIRST OPERATION OF THE TTF2 INJECTOR WITH BEAM
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SPOT AND TRANSVERSE PHASE SPACE (AT Z 19 M)
Jean-Paul Carneiro
FIRST OPERATION OF THE TTF2 INJECTOR WITH BEAM
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SLICE EMITTANCE AND RMS SIZE (19 M)
Jean-Paul Carneiro
FIRST OPERATION OF THE TTF2 INJECTOR WITH BEAM
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CURRENT DISTRIBUTION (AT Z 19 M)
Jean-Paul Carneiro
FIRST OPERATION OF THE TTF2 INJECTOR WITH BEAM
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CONCLUSION
NOMINAL
FIRST OPERATION
CHARGE 1 nC
1 nC MOMEMTUN
121.7 MeV/c 134.05 MeV/c
ENERGY SPREAD 0.9
0.2 RMS
EMITTANCE 1.28
mm-mrad 1.75 mm-mrad RMS
SIZE 0.41 mm
0.41 mm BUNCH LENGTH
1.88 mm
2.1 mm PEAK CURRENT
60 A 40
A SLICE EMITTANCE
1 mm-mrad 1
mm-mrad
Jean-Paul Carneiro
FIRST OPERATION OF THE TTF2 INJECTOR WITH BEAM