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e l
en
gth
on
ta
rge
t1
0u
s1
tu
rn,
or
lon
ge
r w
ith
re
so
na
nt
ex
tra
cti
on
Lin
ac
Wa
ll P
ow
er
5.5
{1
2.5
}M
Wa
pp
rox
3 M
W S
tan
db
y +
1M
W /
Hz
Pro
ton
s
H -
io
ns
Ele
ctr
on
s
G.
W.
Fost
er –
SR
F 2
005
Fermilab
Lin
ac S
egm
ent
Det
ails
(f
or
refe
rence
)
Open T
ech
nic
al C
hoic
e: 3-s
poke
or E
lliptic
al
Room
Tem
pS
RF
SR
FS
po
ke O
ptio
n
TS
R 1
-spoke
2-s
poke
3-s
poke
Low
Mediu
m
Fre
quency
, MH
z
325
325
325
325
325
1300
1300
1300
1300
Energ
y R
ange, M
eV
0.0
65-3
3-1
515-3
333-1
10
110-4
00
110-1
75
175-4
00
400-1
200
1200-8
000
Beta
geom
etric
al
-
0.0
8 to
0.1
8
0.2
10.4
0.6
10.4
70.6
10.8
11.0
0
Num
ber of ca
vitie
s or re
sonato
rs
421
16
28
42
16
32
48
288
Num
ber of acc
ele
ratin
g g
aps
/ cavi
ty -
42
34
66
89
Epeak,
MV
/m
32.1
TB
D32
32
32
52
52
52
52
Eacc
, MV
/m
-
2.3
to 3
.7
10.6
710.6
710.6
715.2
19.2
23.7
26
Cavi
ty e
ffect
ive le
ngth
, cm
-
15 to 3
2
13
36.9
85.8
32.5
42.2
74.8
103.8
Syn
chro
nous
phase
, deg (ty
p.)
-
-40 to -30
-30
-30
-30 to
-20
-30
-25
-20
-16
Length
of S
egm
ent,
m
~4
10.4
12.5
17.2
64
18.8
38.5
70.1
438.3
Num
ber of C
ryom
odule
s-
-1
26
24
636
Cavi
ties
per C
ryom
odule
-
-
16
14
78
88
8
Magnetic
Focu
sing T
ype
-S
ole
noid
Sole
noid
Sole
noid
Quad
Quad
Quad
Quad
Quad
Couple
r P
ow
er In
itial {
Ulti
mate
}, k
W
125
40 {54}
9 {26}
34 {102}
80 {238}
42 {125}
72 {214}
133 {398}
220 {660}
Cavi
ties
per K
lyst
ron In
itial {
Ulti
mate
}42 {14}
48 {24}
36 {12}
Num
ber of K
lyst
rons
Initi
al {
Ulti
mate
}1 {3}
1 {3}
8 {24}
1 {2}
TE
SLA
Hig
h R
FQ
1 {2}
72 {36}
48 {24}
Ellip
tical O
ptio
n
•P
ara
met
er L
ist
giv
es s
ub
syst
em d
eta
ils
for
tech
nic
all
y f
easi
ble
ba
seli
ne
htt
p:/
/td
serv
er1
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al.
go
v/8
gev
lin
acP
ap
ers/
Pa
ram
ete
rLis
t20
05
/CD
0_
Pa
ram
eter
_L
ist_
Cu
rren
t_V
ers
ion
.pd
f
G.
W.
Fost
er –
SR
F 2
005
Fermilab
Lin
ac
Pu
lse
Pa
ram
eter
s
Co
mp
ari
son
wit
h O
ther
SR
F L
ina
cs
8 G
eV
Init
ial
8 G
eV
{Ult
imate
}
SN
S (
Sp
all
ati
on
Neu
tron
Sou
rce)
TE
SL
A-5
00
(w/
FE
L)
TE
SL
A-8
00
Lin
ac E
ner
gy
8 G
eV8 G
eV1 G
eV500 G
eV800 G
eV
Par
ticl
e T
ype
H- ,
e+, or
e-H
- , e+
, or
e-H
-e+
, e-
e+, e-
Bea
m P
ow
er0.5
MW
2 M
W1.5
6 M
W22.6
MW
34 M
W
AC
Pow
er (
incl
. w
arm
FE
)5.5
MW
13 M
W~
15 M
W97 M
W150 M
W
Bea
m P
uls
e W
idth
3 m
sec
1 m
sec
1 m
sec
0.9
5 m
sec
0.8
6 m
sec
Bea
m C
urr
ent(
avg. in
puls
e)8.6
mA
26 m
A26 m
A9.5
mA
12.7
mA
Puls
e R
ate
2.5
Hz
10 H
z60 H
z5(1
0)
Hz
4 H
z
# S
uper
conduct
ing C
avit
ies
384
384
81
21024
21852 /
2
# C
ryom
odule
s48
48
23
1752
1821
# K
lyst
rons
12
33
93
584
1240
# C
avit
ies
per
Kly
stro
n(t
yp)
36
12
136
18
Cav
ity S
urf
ace
Fie
lds
(max
)52 M
V/m
52 M
V/m
35 M
V/m
46.8
MV
/m70 M
V/m
Acc
el. G
radie
nt
(max
) 2
5 M
V/m
25 M
V/m
16 M
V/m
23.4
MV
/m35 M
V/m
Lin
ac A
ctiv
e L
ength
614 m
614 m
258 m
22 k
m22 k
m
G.
W.
Fost
er –
SR
F 2
005
FermilabTw
o D
esig
n P
oin
ts f
or
8 G
eV L
inac
Init
ial:
0.5
MW
Lin
ac
Bea
m P
ow
er
(B
AS
EL
INE
)
8.3
mA
x 3
mse
c x
2.5
Hz
x 8
GeV
= 0
.5 M
W
Tw
elve
Kly
stro
ns
Req
uir
ed
Ult
ima
te:
2 M
W L
ina
c B
eam
Po
wer
25 m
A x 1
mse
c x
10 H
z x
8 G
eV =
2.0
MW
33 K
lyst
rons
Req
uir
ed
Eit
her
Op
tio
n S
up
port
s:
1.5
E1
4 x
0.7
Hz
x 1
20
GeV
= 2
MW
B
eam
Po
wer
fro
m F
erm
ila
b M
ain
In
ject
or
β=
1β
=1β
=1β
=1β
=1β
=1β
=1β
=1β
=1
TE
SL
A L
INA
C8 K
lyst
rons
288 C
avit
ies
in 3
6 C
ryom
odule
s 130
0 M
Hz β
=1
β<
1T
ES
LA
LIN
AC
2 K
lyst
rons
96 E
llip
tica
l C
avit
ies
12 C
ryom
odule
s
1300 M
Hz
0
.1-1
.2 G
eV
β=
1β
=1β
=1β
=1β
=1β
=1β
=1β
=1β
=1
β=
1β
=1β
=1
β=
1β
=1β
=1β
=1β
=1β
=1β
=1β
=1β
=1β
=1β
=1β
=1β
=1
10 M
WT
ES
LA
Kly
str
on
s4
8 C
avit
es/
Kly
stro
n
β=
.81β
=.8
1β
=.8
1β
=.8
1β
=.8
1β
=.8
1
8 C
avit
es/
Cry
om
od
ule
0.5
MW
In
itia
l 8 G
eV
Lin
ac
11 K
lystr
ons
(2 t
ypes)
470 C
avitie
s
53 C
ryo
module
s
“P
UL
SE
D R
IA”
Fro
nt
End L
ina
c
325 M
Hz
0-1
10 M
eV
H-
RF
QM
EB
TR
TS
RS
SR
DS
R
3 M
WJP
AR
CK
lystr
on
Mu
lti-
Cav
ity F
anou
tat
10
-5
0 k
W/c
avit
y
Ph
ase
and A
mp
litu
de
Con
trol
w/
Fer
rite
Tu
ner
s
DS
R
β=
.47β
=.4
7β
=.6
1β
=.6
1β
=.6
1β
=.6
1
or…
32
5 M
Hz
Sp
oke
Res
on
ato
rs
β=
1β
=1
10
MW
TE
SL
AK
lys
tro
ns
Modula
tor
Modula
tor
Modula
tor
Modula
tor
Modula
tor
Modula
tor
Modula
tor
Modula
tor
Modula
tor
16 C
avit
es
/ K
lyst
ron
Mo
du
lato
r2 M
W U
ltim
ate
8 G
eV
Lin
ac
32 K
lystr
ons
(2 t
ypes)
470 C
avitie
s
53 C
ryo
module
s
Modula
tor
Modula
tor
Modula
tor
Modula
tor
Modula
tor
Modula
tor
Modula
tor
Modula
tor
Modula
tor
Modula
tor
Modula
tor
Modula
tor
Modula
tor
Modula
tor
Modula
tor
Modula
tor
Modula
tor
Modula
tor
Modula
tor
Modula
tor
Modula
tor
36 C
avit
es/
Kly
stro
n
12 C
avit
es
/ K
lyst
ron
6 K
lyst
rons
96 E
llip
tica
l C
avit
ies
12 C
ryom
odule
s
G.
W.
Fost
er –
SR
F 2
005
Fermilab
Init
ial �
Ult
imat
e U
pg
rad
e E
qu
ipm
ent
•In
itia
l 0
.5 M
W G
all
ery i
s n
earl
y e
mp
ty
–O
ne
Kly
stro
n e
ver
y 1
80 f
eet
•U
ltim
ate
2 M
W G
all
ery i
s co
mfo
rta
ble
–O
ne
Kly
stro
n e
ver
y 6
0 f
eet
G.
W.
Fost
er –
SR
F 2
005
Fermilab
ILC
–C
om
pati
ble
Op
erati
ng F
req
uen
cies
Foll
ow
ing t
he
sele
ctio
n o
f th
e C
old
SC
RF
Op
tion
for
the
ILC
,
We
have
chose
n T
ES
LA
/XF
EL
Com
pati
ble
Fre
qu
enci
es:
•1
300
MH
zM
ain
Lin
ac (=
IL
C /
TE
SL
A /
XF
EL
)
•3
25
MH
z(=
130
0M
Hz/
4)
F
ront-
End
Lin
ac (
= J
PA
RC
)
(
a g
ift
! )
Valu
ab
le a
sset
s at
thes
e fr
equ
enci
es:
SR
F C
avit
ies,
R
F C
oup
lers
, C
ryo
mo
du
le D
esig
ns,
Kly
stro
ns,
Fro
nt-
End
Lin
ac D
esig
ns,
C
oll
abora
tors
(e.
g. IL
C,
Euro
-XF
EL
, JP
AR
C…
)
In t
he
fin
al
an
aly
sis,
it
is m
uch
easi
er t
hes
e d
ays
to d
evel
op
a
new
SR
F c
avit
y d
esig
n t
han
to d
evel
op
a n
ew K
lyst
ron
.
G.
W.
Fost
er –
SR
F 2
005
Fermilab
8 G
eV L
inac
Kly
stro
ns
–2
Ty
pes
To
shib
a E
37
40
A
32
5 M
Hz
3
MW
(17
Del
iver
ed f
or
JPA
RC
)
Th
ale
s T
H1801
1300 M
Hz
10 M
W
Mu
ltip
le V
endors
G.
W.
Fost
er –
SR
F 2
005
Fermilab
Co
pp
er-t
o-S
CR
F T
ran
siti
on
•W
e h
av
e ch
ose
n 1
5 M
eV (
RF
Q +
wa
rm T
SR
s.)
–M
uch
low
er t
han
SN
S (
~ 1
86 M
eV)
–A
llow
s S
ingle
Kly
stro
n t
o d
rive
linac
up t
o 1
10 M
eV
–L
ever
ages
use
s of
Fas
t P
has
e S
hif
ters
to p
roduce
man
y
chan
nel
s of
RF
fro
m a
sin
gle
Kly
stro
n
•P
rev
iou
s D
esig
n S
tud
y a
ssu
med
85
MeV
DT
L
–C
onven
tional
Solu
tion, st
ill
val
id
–M
odif
ied C
om
mer
cial
Pro
duct
at
325 M
Hz
–R
equir
ed 7
Kly
stro
ns,
$30M
+ c
onti
ngen
cy e
tc.
G.
W.
Fost
er –
SR
F 2
005
FermilabSp
ok
es-t
o-E
llip
tica
l T
ran
siti
on
1.
Pre
serv
ing
tw
o t
ech
nic
al
op
tio
ns
(11
0-4
00
MeV
):
1.
325 M
Hz
trip
le-s
poke
Res
onat
ors
(
BA
SE
LIN
E)
2.
1300 M
Hz
Ell
ipti
cal
Cav
itie
s
2.
Th
e tr
ad
eoff
s h
av
e b
een
ex
ten
siv
ely
dis
cuss
ed
for
the
Ra
re I
soto
pe
Acc
eler
ato
r (R
IA).
3.
Ou
r D
ecis
ion
Wil
l b
e b
ase
d o
n:
1.
Acc
eler
ator
Physi
cs
2.
Cost
3.
Coll
abora
tion
β=
1β
=1β
=1β
=1β
=1
Mo
du
lato
r
β=
1β
=1β
=1β
=1
Mo
du
lato
r
10
MW
TE
SL
AK
lystr
on
s3
6 C
avit
es/
Kly
stro
n
TE
SL
A L
INA
C8 K
lyst
rons
288 C
avit
ies
in 3
6 C
ryom
odule
s 130
0 M
Hz β
=1
β<
1T
ES
LA
LIN
AC
2 K
lyst
rons
96 E
llip
tica
l C
avit
ies
12 C
ryom
odule
s
1300 M
Hz
0
.35-1
.2 G
eV
β=
1β
=1β
=1β
=1β
=1
Mo
du
lato
r
β=
1β
=1β
=1β
=1
Mo
du
lato
r
β=
1β
=1β
=1β
=1β
=1
Mo
du
lato
r
β=
1β
=1β
=1β
=1
Mo
du
lato
r
β=
1β
=1β
=1β
=1β
=1
Mo
du
lato
r
β=
1β
=1β
=1β
=1
Mo
du
lato
r
10
MW
TE
SL
AM
ulti-B
eam
Kly
str
on
s4
8 C
avit
es/
Kly
stro
n
β=
.81
Mo
du
lato
r
β=
.81β
=.8
1β
=.8
1β
=.8
1β
=.8
1
8 C
avit
es/
Cry
om
od
ule
0.5
MW
In
itia
l 8 G
eV
Lin
ac
11 K
lystr
ons
(2 t
ypes)
449 C
avitie
s
51 C
ryo
module
s
“P
UL
SE
D R
IA”
Fro
nt
End L
ina
c
325 M
Hz
0-3
50 M
eV
H-
RF
QM
EB
TR
TS
RS
SR
DS
R
3 M
WJP
AR
CK
lystr
on
sM
ult
i-C
avit
y F
anou
tat
10
-5
0 k
W/c
avit
y
Ph
ase
and A
mp
litu
de
Con
trol
w/
Fer
rite
Tu
ner
s
DS
R
350
MeV
110
MeV
TS
RT
SR
TS
RT
SR
TS
RT
SR
or…
13
00 M
Hz
Ell
ipti
cal
Ca
viti
es
32
5 M
Hz S
po
ke
Op
tio
n
Mo
du
lato
r
β=
1β
=1β
=1β
=1β
=1
Mo
du
lato
r
β=
1β
=1β
=1β
=1
Mo
du
lato
r
10
MW
TE
SL
AK
lystr
on
s3
6 C
avit
es/
Kly
stro
n
TE
SL
A L
INA
C8 K
lyst
rons
288 C
avit
ies
in 3
6 C
ryom
odule
s 130
0 M
Hz β
=1
β<
1T
ES
LA
LIN
AC
2 K
lyst
rons
96 E
llip
tica
l C
avit
ies
12 C
ryom
odule
s
1300 M
Hz
0
.1-1
.2 G
eV
β=
1β
=1β
=1β
=1β
=1
Mo
du
lato
r
β=
1β
=1β
=1β
=1
Mo
du
lato
r
β=
1β
=1β
=1β
=1β
=1
Mo
du
lato
r
β=
1β
=1β
=1β
=1
Mo
du
lato
r
β=
1β
=1β
=1β
=1β
=1
Mo
du
lato
r
β=
1β
=1β
=1β
=1
Mo
du
lato
r
10
MW
TE
SL
AM
ulti-B
eam
Kly
str
on
s4
8 C
avit
es/
Kly
stro
n
β=
.81
Mo
du
lato
r
β=
.81β
=.8
1β
=.8
1β
=.8
1β
=.8
1
8 C
avit
es/
Cry
om
od
ule
0.5
MW
In
itia
l 8 G
eV
Lin
ac
11 K
lystr
ons
(2 t
ypes)
449 C
avitie
s
51 C
ryo
module
s
“P
UL
SE
D R
IA”
Fro
nt
End L
ina
c
325 M
Hz
0-1
10 M
eV
H-
RF
QM
EB
TR
TS
RS
SR
DS
R
3 M
WJP
AR
CK
lystr
on
Mu
lti-
Cav
ity F
anou
tat
10
-5
0 k
W/c
avit
y
Ph
ase
and A
mp
litu
de
Con
trol
w/
Fer
rite
Tu
ner
s
DS
R
Mo
du
lato
r
350
MeV
100
MeV
TS
RT
SR
TS
RT
SR
TS
RT
SR
or…
13
00 M
Hz
Ell
ipti
cal
Ca
viti
es
Sp
ok
e O
pti
on
β=
.47
Mo
du
lato
r
β=
.47β
=.6
1β
=.6
1β
=.6
1β
=.6
1
or…
32
5 M
Hz
Sp
oke
Res
on
ato
rs
Ell
ipti
ca
l O
pti
on
G.
W.
Fost
er –
SR
F 2
005
Fermilab
32
5 M
Hz
Sp
ok
e R
eso
nat
ors
•W
ell
Dev
elo
ped
Tec
hn
olo
gy
fo
r R
IA,
AP
T,.
..
•S
imu
lati
on
s in
dic
ate
ex
cell
ent
bea
m d
yn
am
ics
•R
un
s P
oo
l-B
oil
ing
at
4.5
K –
Sim
ple
Cry
osy
stem
•R
&D
Dem
on
stra
tio
n (
SM
TF
):
� ���b
eam
pro
per
ties
wit
h p
uls
ed o
per
ati
on
.
Ken
Sh
epar
d’s
Tal
k
32
5 M
Hz
Fro
nt-
En
dLin
ac
325 M
Hz K
lystr
on –
Toshib
a E
3740A
(J
PA
RC
)
115kV
Puls
e T
ransfo
rmer
Mo
du
lato
r
Capacitor
/ S
witch /
Bouncer
Charg
ing
Supply
RF
Q
ME
BTS
CR
F S
poke
Reson
ato
rC
ryom
od
ule
s
RF
Dis
trib
ution
Waveguid
e
Ferr
ite
Tuners
Sin
gle
Kly
str
on
Feeds S
CR
F L
inac
to E
> 1
00 M
eV
M
325 M
Hz R
F S
yste
m
Pu
lse
T
ran
sfo
rme
r&
Oil
Ta
nk
IGB
T
Sw
itch &
B
ouncer
CA
P
BA
NK
10
kV
11
0 k
V
Charg
ing
Supply
300kW
MO
DU
LA
TO
R:
FN
AL
/TT
F R
eco
nfigu
rab
le f
or
1,2
or
3 m
se
c b
ea
m p
uls
e
Sin
gle
JP
AR
C
Kly
str
on
325M
Hz
3 M
W
WR
2300
Dis
trib
utio
n W
ave
guid
e
TOSHIBA E3740A
I Q M
EI Q M
BI Q M
TI Q M
R F
Q
I Q M
Cab
les t
oT
unne
l
Fa
st
Fe
rrite
Is
ola
ted
I/Q
M
odu
lato
rs
RF
Co
up
lers
SI Q M
SI Q M
RI Q M
SI Q M
SI Q M
RI Q M
40
0kW
20
kW
DI Q M
SI Q M
RI Q M
DI Q M
SI Q M
RI Q M
12
0 k
W
10kV
H-
Mediu
m E
nerg
yB
eam
Tra
nsport
Copper
Cavi
ties
Ra
dio
F
req
ue
nc
yQ
ua
dru
po
le
Cry
om
od
ule
#1
S
ing
le-S
po
ke
Res
on
ato
rs
Cry
om
od
ule
#2
D
ou
ble
-Sp
ok
eR
es
on
ato
rs
20
kW
G.
W.
Fost
er –
SR
F 2
005
Fermilab
•B
eta
<1
cav
itie
s a
re
freq
uen
cy s
cale
d f
rom
805
MH
z d
esig
ns
for
SN
S/J
LA
B a
nd
RIA
/MS
U/J
LA
B
•F
NA
L/M
SU
Des
ign
coll
ab
ora
tio
n i
nv
esti
gati
ng
“lo
w-l
oss
”g
eom
etri
es f
or
1300
MH
z B
eta=
0.8
1
1300
MH
z E
llip
tica
l C
avit
es
G.
W.
Fost
er –
SR
F 2
005
Fermilab
13
00
MH
z C
ryo
mo
du
les
OP
TIO
N O
F
EL
LIP
TIC
AL
ME
DIU
M-B
ET
A
CA
VIT
ES
11
0 -
40
0 M
eV
13
00
MH
z E
LL
IPT
ICA
L C
AV
ITY
CR
YO
MO
DU
LE
S:
2-4
TY
PE
S
Be
ta =
0.4
7
2 C
ryo
mo
du
les
16
Ca
vit
ies
Be
ta =
0.6
1
4 C
ryo
mo
du
les
32
Ca
vit
ies
Be
ta =
0.8
1
6 C
ryo
mo
du
les
48
Ca
vit
ies
Be
ta =
1.0
0
36
Cry
om
od
s
28
8 C
av
itie
s
TE
SLA
(T
TF
3)
Gio
rgio
Ap
oli
nar
i’s
Tal
k
April 7, 2004
G.W
.Foste
r -
SC
RF
Pro
ton D
river
Ferr
ite V
ecto
r M
od
ula
tor
R&
D
•P
rovid
es f
ast, f
lexib
le d
rive
to
in
div
idu
al ca
vite
s
of
a p
roto
n lin
ac,
wh
en
on
e is u
sin
g a
TE
SL
A-s
tyle
RF
fa
no
ut.
(1 k
lystr
on f
eeds 3
6 c
avitie
s)
•A
lso
ne
ed
ed
if
Lin
ac a
lte
rna
tes b
etw
ee
n e
-a
nd
P.
•T
his
R&
D w
as s
tart
ed
by S
NS
bu
t d
rop
pe
d d
ue
to
la
ck o
f tim
e.
SN
S w
en
t to
on
e-k
lystr
on
-pe
r-ca
vity
wh
ich
co
st th
em
a lo
t o
f m
on
ey (
$2
0M
-$
60
M).
Mak
ing th
is tec
hno
logy
wor
k is impo
rtan
t to the
fina
ncial fe
asibility
of th
e 8 G
eV Linac
.
April 7, 2004
G.W
.Foste
r -
SC
RF
Pro
ton D
river
Cost
Driver:
Kly
str
on
s p
er
GeV 96
20
8.13
5
1.5
1.1
020
4060
8010
0
Spa
llatio
n N
eutr
on S
our
ce
FNA
L L
inac
Upg
rade
X-B
and
(war
m) N
LC
8 G
eV L
inac
(2 M
W)
8 G
eV L
inac
(0.
5 M
W)
TE
SLA
Kly
stro
ns P
er G
eV B
eam
Ene
rgy
Nov 1
8, 2004
G.W
.Foste
r -
Pro
ton D
river
RF
Fa
n-o
ut
for
8 G
eV
Lin
ac
CIR
CU
LA
TO
R/
IS
OLA
TO
R
Magic
Tee
Ferr
ite
Loaded
Stu
b
CA
VIT
Y
BE
AM
1/8
Pow
er
Split
(
9.0
3 d
B)
DIR
EC
TIO
NA
L
CO
UP
LE
R
1/7
Pow
er
Split
(
8.4
5 d
B)
1/6
Pow
er
Split
(
7.7
8 d
B)
1/5
Pow
er
Split
(
6.9
9 d
B)
1/4
Pow
er
Split
(
6.0
2 d
B)
1/3
Pow
er
Split
(
4.7
7 d
B)
1/2
Pow
er
Split
(
3.0
1 d
B)
E-H
TU
NE
R
KLY
ST
RO
N
35 foot
wave
guid
efr
om
galle
ryto
tunnel
RF
Fanoutat E
ach C
avity
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IS
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Magic
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iteLoaded
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CA
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Y
BE
AMDIR
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TIO
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L C
OU
PLE
R
E-H
TU
NE
R
KLY
ST
RO
N
35 foot
wave
guid
efr
om
galle
ryto
tunnel
CIR
CU
LA
TO
R /
IS
OLA
TO
R
-
Passes R
F p
ow
er
forw
ard
tow
ard
s c
avity
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ivert
s r
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ow
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to w
ate
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KLY
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RF
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er
Sourc
e
-
Locate
d in G
alle
ry a
bove t
unnel
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ach K
lystr
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eeds 8
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avitie
s
DIR
EC
TIO
NA
L C
OU
PLE
R
-
Pic
ks o
f a f
ixed a
mount
of
RF
pow
er
at
each s
tation
- P
asses r
em
ain
ing p
ow
er
dow
nstr
eam
to o
ther
cavitie
s
E-H
TU
NE
R
-
Pro
vid
es P
hase a
nd A
mplit
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ontr
ol fo
r C
avitie
s
-
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sed F
err
ite P
rovid
es E
lectr
onic
Contr
ol
SU
PE
RC
ON
DU
CT
ING
RF
CA
VIT
Y
-
Couple
s R
F P
ow
er
to B
eam
FE
RR
ITE
VE
CT
OR
MO
DU
LA
TO
R(1
30
0 M
Hz W
ave
gu
ide
Ve
rsio
n)
Magic
Tee
MIC
RO
WA
VE
IN
PU
T P
OW
ER
fr
om
Kly
str
on a
nd C
ircula
tor
E
-HT
UN
ER
Reflecte
d P
ow
er
(absorb
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y circula
tor)
AT
TE
NU
AT
ED
O
UT
PU
T T
O C
AV
ITY
ELE
CT
RO
NIC
TU
NIN
GW
ITH
BIA
SE
D F
ER
RIT
E
Bia
s C
oil
Ferr
ite
Loaded
Stu
b
FE
RR
ITE
LO
AD
ED
S
HO
RT
ED
ST
UB
SC
HA
NG
E E
LE
CT
RIC
AL
LE
NG
TH
DE
PE
ND
ING
O
N D
C M
AG
NE
TIC
BIA
S.
TW
O C
OIL
SP
RO
VID
E IN
DE
PE
ND
EN
TP
HA
SE
AN
D A
MP
LIT
UD
E C
ON
TR
OL O
F C
AV
ITIE
S
Adva
nce
d R
F D
istr
ibu
tio
n
DIR
EC
TIO
NA
L
CO
UP
LE
R
(PO
WE
R S
PL
IT) M
AG
IC T
EE
AN
D C
AV
ITY
RF
PO
WE
R C
OU
PL
ER
CIR
CU
LA
TO
R
AN
D L
OA
DC
OA
XIA
L
FE
RR
ITE
ST
UB
TU
NE
R A
ND
WA
VE
GU
IDE
TR
AN
SIT
ION
RF
FR
OM
KL
YS
TR
ON
E/
YE
T!
G.
W.
Fost
er –
SR
F 2
005
Fermilab3 T
yp
es o
f F
ast-
Fer
rite
Tuner
s
1.
Wa
veg
uid
e S
tyle
(p
roto
typ
ed i
n h
ou
se)
2.
Co
ax
ial
Sty
le (
pro
toty
ped
in
-ho
use
)
3.
Str
ip L
ine
Sty
le (
com
mer
cia
l p
rocu
rem
ent
via
AF
T)
•B
eca
use
of
this
dev
ice’
s im
po
rta
nce
to
th
e P
D,
all
th
ree
are
bei
ng
pu
rsu
ed i
n p
ara
llel
.
•A
t p
rese
nt,
it
ap
pea
rs t
ha
t a
ll 3
ap
pro
ach
es w
ill
lead
to w
ork
ab
le f
ull
-sp
ec d
evic
es.
Iou
ri
Ter
echk
ine’
s
Tal
k
G.
W.
Fost
er –
SR
F 2
005
Fermilab
Key
Spec
ific
atio
n o
f F
erri
te T
uner
s
•P
ow
er H
an
dli
ng
0.6
MW
…5
0k
W
x4 f
or
full
ref
lect
ed s
tandin
g w
ave
exce
eded
by p
roto
types
(af
ter
som
e w
ork
!)
•R
an
ge
of
ad
just
men
t: +
/-4
5 d
egre
es
Lar
ger
is
poss
ible
•S
pee
d o
f R
esp
on
se:
1 d
egre
e p
er m
icro
seco
nd
Sim
ula
tions
indic
ate
3-5
x s
low
er m
ight
be
OK
•In
sert
ion
Lo
ss:
0.1
-0.2
dB
Cooli
ng e
asy a
t 6
00kW
pea
k, 1.5
% d
uty
fac
tor
Not
dom
inan
t co
ntr
ibuto
r to
RF
Dis
trib
uti
on L
oss
es
Fermilab
Ex
amp
les
of
Ph
ase
Sh
ifte
rs
L b
and (
1.2
–1.4
GH
z)
350
kW
pea
k p
ow
er
Fie
ld R
ang
e 8
00
–1
500
Oe
Ph
ase
shif
t -
600
°
Inse
rtio
n l
oss
-
0.2
dB
Coax
ial
Dev
ice,
Bel
l L
abs
1968
Str
ip-l
ine-
bas
ed d
esig
n, b
y A
FT
for
AN
L a
nd C
ER
N, 1
998 ~
2004
352
MH
z
250
kW
pea
k p
ow
er
25%
duty
cycl
e
130
ºph
ase
shif
t
FermilabSN
S W
aveg
uid
e P
has
e S
hif
ter
R&
D
Wav
eguid
e-bas
ed dev
ice,
Yoon K
ang (
AN
L)
for
SN
S
~ 2
000
805
MH
z
500
kW
pea
k p
ow
er
8%
du
ty c
ycl
e
0.1
5 d
B i
nse
rtio
n l
oss
Fermilab
Hig
h P
ow
er 1
30
0 M
Hz
FV
M T
est
A0 1
300 M
Hz
Kly
stro
n
T =
250 µ
sec
F =
5 H
z
We
snu
ck o
nto
Hel
en’s
Kly
stro
n
wh
en s
he
wa
s o
ut
of
tow
n…
.
Fermilab
Hig
h P
ow
er F
erri
te T
un
er T
est
Tw
o m
ethods
of
phas
e m
easu
rem
ents
:
1.
Osc
illo
scope
mea
sure
men
ts
2.
Usi
ng a
vai
lable
IQ
modula
tor
Av
aila
ble
ph
ase
rang
e w
as
lim
ited
by s
par
kin
g t
hat
dev
elop
s n
ear
the
HO
M
reso
nan
ce f
requ
enci
es
Max
Pow
er -
2000 k
W
(requir
em
ent:
600 k
W)
Use
able
Phas
e sh
ift
~ 8
0°
(requir
em
ent:
~90 d
egre
es)
Eli
min
atio
n o
f H
OM
res
onan
ces
has
incr
ease
d u
sable
ran
ge
to
~360 d
egre
es a
t lo
w p
ow
er l
evel
s.
SF
6ad
ded
Fermilab
Co
axia
l P
has
e S
hif
ter
•Coax d
esig
n is
pre
ferr
ed
at 325M
Hz
•In
-house d
esig
n teste
d to
660kW
at 1300 M
Hz
•T
este
d a
t 300 k
W at A
NL
with A
PS
352M
Hz K
lystr
on
•F
ast coil
and flu
x re
turn
should
re
spond in ~
50us
Ran for
1 H
our
at 300kW
x 3
msec
x 2
Hz
with 4
°C T
em
p R
ise �
very
low
losses
MO
RE
IN
FO
RM
AT
ION
•P
roje
ct s
ite:
htt
p:/
/pro
tondri
ver
.fnal
.gov
•P
hy
sics
an
d M
ach
ine
“C
D-0
” D
ocu
men
ts
•R
ecen
t D
irec
tor’
s R
evie
w:
htt
p:/
/pro
tondri
ver
.fnal
.gov/P
Dre
v15M
ar05.h
tm
•R
ecen
t IC
FA
Wo
rksh
op
:
htt
p:/
/ww
w.n
iu.e
du/c
lase
p/H
PS
Lco
nf/