in LCLS

DEC 2013
40
35
30
x / m
y / m
25
20
15
10
5
vertical correctors
quads
0
160
undulators
165
chicane 1
170
chicane 2
175
180
185
190
chicane 3
MeV
  500 keV
 rms  150 keV
MeV
non linear !!!
~ 3.5 MeV
rms energy spread
current / A
3D Calculation
Emod = 250 keV
40
35
30
25
20
15
10
5
0
160
165
170
175
180
185
190
195
200
JAN 2014
periodic SC solver
(in test)
Application: SK problem
250 keV
X_0202p00000
1d
periodic
~ 1E6 particles
non-periodic
20E6 particles
3d
Application: SK problem
250 keV
X_0202p00000
same range, same (plot) density
1d
periodic
~ 1E6 particles
non-periodic
20E6 particles
3d
in LCLS
Trickle Heating
after LH
tilted microbunches
in LCLS
12.2 m
beta functions
energy distribution
rms energy vs
beamline coordinate
long. phase space
top view
in LCLS
15.7 m
beta functions
energy distribution
rms energy vs
beamline coordinate
long. phase space
top view
in LCLS
17.2 m
beta functions
energy distribution
rms energy vs
beamline coordinate
8 keV  11 keV
long. phase space
top view
in LCLS
Trickle Heating
rms energy /eV
normalized energy distribution
z = 19.1 m
beamline coordinate
8 keV  11 keV
in LCLS
Trickle Heating
normalized energy distribution
rms energy /eV
z = 50.1 m
beamline coordinate
FEB 2014
again: SK setup
but
R56 = 100 µm
162.3 m
40
35
30
25
20
15
10
5
0
160
165
long. phase space
170
175
180
185
current / A
(one period)
bunching
190
R56 = 100 µm
166.5 m
40
35
30
25
20
15
10
5
0
160
165
long. phase space
170
175
180
185
current / A
bunching
190
(one period)
R56 = 100 µm
184.5 m
40
35
30
25
20
15
10
5
0
160
165
long. phase space
170
175
180
185
current / A
bunching
190
(one period)
R56 = 100 µm
190.5 m
40
35
30
25
20
15
10
5
0
160
165
long. phase space
170
175
180
185
current / A
bunching
190
(one period)
R56 = 141 µm
166.5 m
184.5 m
long. phase space
long. phase space
current / A
current / A
bunching
bunching
R56 = 160 µm
166.5 m
184.5 m
long. phase space
long. phase space
current / A
current / A
bunching
bunching
R56 = 180 µm
166.5 m
184.5 m
long. phase space
long. phase space
current / A
current / A
bunching
bunching