CLIC
Dipole mode frequencies
v.s. structure aperture
34.7716
35
3.1233
PETS composed of two pieces of 6.25 mm and 8 mm
structures. The overall length for 100 MW RF
power production with respect to L6 length is shown
1 .5
4.009
L6
L
8
Possible configurations:
1 .5
0 .4 2 0 .4 9 5
34
)

985511.5
#1
N6
m
33
N8
m

985511
N6 Lc 2
m

985510.5
32
N8 Lc
m
Lc
1 .0 3
0 .9 9
1
#3
#2
L6
+L8
N6 2 .4 5Lc
m
0 .5
1.484775 31
3
2.5
a, amm
a r
i i
4
5
6
6.5
Structure parameters.
Bunches follow 0 –crossing
at frequencies:
2.99855  11.5/11.0/10.5 )
L
0
8
0
0
0
0 .2
0 .4
N6 Lc
m
0 .6
0 .8
L6, m
1
0 .8 5
#1. L6=L8 .
Total length L = 1.0 m
#2. L6/L8 = (K8/K6)0.5
L = 0.426 +0.618 = 1.03 m
#3. Max Es(L6) = Max Es(L8)
L=0.616 + 0.338 = 0.94 m
#4 Max Es(L6) = 150 MV/ m
L = 0.726 +0.178 = 0.89 m
#5 Only L8
L = 1.378 m
Notes: Max Es(L8) = 132 MV/m
Form-factor2 = 0.8
Extr. Efficiency = 0.95
Current = 5 A
FD, GHz
a, mm
b, mm
R/Q,
k/m
 M, %
QM
ES/EA
KT,
V/pC/m/m
D, %
QD
D,
deg
34.4833
3.1233
5.0863
12.86
21.172
4.592
2.81
135.62
19.54
4.296
138.
32.9840
4.009
5.748
7.701
33.47
5.055
3.47
51.962
35.149
4.828
132
31.4848
6.207
7.604
2.434
57.343
6.392
4.82
2.982
63.177
7.514
126
I. Syratchev
100
100
80
CLIC
D1
D2
PETS possible configurations
60
D3
D2
40
0.55
0.25
12.41
8.02
0.20
D1
20
0
#1
6.25
34.5 GHz 33.0 GHz
31.5 GHz
0
0
0
Z1  Z2
0.5
0.55 0.06 Z3
1
0.12 Z2
0.55 L2
0.55 L2
1.5
L3
0.18 Z1
2
0.55 L3
2 L2
2.5
0.24 2.5
#2
0.50
0.91
1 0 1 .1 3 5 7 0 9
120
112.470649
120
2 .0 3
1( Z1 ) 1 0
6
2( Z2 ) 1 0
6
3( Z3 ) 1 0
6
4( Z2 ) 1 0
6
100
100
#1
80
60
6
5( Z1 ) 1 0
1 1( Z1 1) 1 0
2 .4 4
#2
6
40
2 2( Z2 2) 1 0
6
3 3( Z1 1) 1 0
6
20
0
0
E1s( Z1 ) 1 0
6
E2s( Z2 ) 1 0
6
E3s( Z3 ) 1 0
6
E4s( Z2 ) 1 0
6
E5s( Z1 ) 1 0
6
100
80
60
E11s( Z11) 1 0
6
E22s( Z22) 1 0
6
E33s( Z11) 1 0
6 20
40
0
0
0
0 .2 5
0 .5
0 .7 5
1
Z1  Z2 0 .6 1 Z3 0 .6 7 L2  Z2 0 .7 3 L2
1 .2 5
1 .5
1 .7 5
L3  Z1 0 .7 9 L3 2 L2  Z1 1 Z2 2
Length, m
I. Syratchev
2
0 .9 7 Z1 1
2 .2 5
2 .5
0 .9 1 0 .6 2 2 .5
0
0
0 Z1  Z2
0.61 Z3
0.5
0.67 L2  Z2
1
0.73 L2
L3  Z1
1.5
0.79 L3 2 L2  Z11 Z22
Length, m
2
0.97 Z11
2.5
0.97 0.56 2.5
CLIC
Dipole mode couplers
Inter-structure connection
Dipole mode power flow.
Rejection/Reflection ~ -20 db.
beam
Horizontal
polarization
Decelerating mode
power flow
Vertical
polarization
Dipole mode couplers
should be used as BPMs
I. Syratchev

Drive Beam generation with collector ring