s-band bpm at knu
DESCRIPTION
S-band BPM at KNU. 2008. 8. 27 Hyoung Suk Kim KNU. Left_Cap. Left_Support. Center_Frame. Right_Cap. S-band BPM. Dipole mode. 4. 1. 3. 2. 3-D Measurement for the Laser Alignment. #1SM-BPM. 1. * designed length = 18.0 mm. reference point. a. b. c. h. 4. 2. g. d. f. e. 3. - PowerPoint PPT PresentationTRANSCRIPT
S-band BPM at KNU
2008. 8. 27Hyoung Suk Kim
KNU
S-band BPM
Left_Cap
Right_Cap
Center_Frame
Left_Support
Dipole mode
3-D Measurement for the Laser Alignment
1st
meas.(mm)
2nd meas.(mm)
3rd meas.(mm)
Average
(mm)
standard
deviation
(m)
a17.991
317.986
517.991
317.991
32.8
b17.988
417.993
717.983
817.988
45.0
c18.002
318.000
717.983
418.000
710.5
d17.983
717.984
917.984
217.984
20.6
e17.972
117.965
317.996
917.972
116.6
f18.011
218.005
918.002
318.005
94.5
g17.985
117.981
417.985
817.985
12.4
h17.993
417.992
317.992
717.992
70.6
ab
c
d
ef
g
h
referencepoint
1
2
3
4
#1SM-BPM* designed length = 18.0 mm
2 3
1 4
< Center_Frame >
Beam Pipes for the SBPM
Size of the Cu beam-pipes(OFHC_C1020) to be attached to the SBPM
Beam Pipe SizeQuantit
y(ea)
Usage
I.D=Φ40 / O.D=Φ47, length=177mm (172.5mm) 2
SMI.D=Φ40 / O.D=Φ47,
length=48mm (40.5mm) 2
I.D=Φ40 / O.D=Φ47, length=561mm (556.5mm) 2
QMI.D=Φ40 / O.D=Φ47,
length=58mm (50.5mm) 2
Pre-assembled SBPM for Quadrupole Magnet
SBPM for Quadrupole Magnets
SBPM for Sextupole Magnets
Pre-assembled SBPM for Sextupole Magnet
RF Meas ; f (GHz)
2.883 GHz
slot size = 25 mm
RF Meas ; Decay Time (ns)
83 ns (average)
slot size = 25 mm
Summary Shipment schedule- #1SM S-band BPM will be sent to KEK in advance on 10th of September.- #2SM,3QM,4QM S-band BPMs will be scheduled to be sent on around18th of September.
Decay time (cold test) was improved from 31 ns to 83 ns in average (RF simulation (HFSS) = 99ns)
Tentative visiting schedule (KEK) to be discussed. - Sept. 15 ~ Sept. 19 (?) ; Hyoung Suk Kim- Oct. 2 ~ Oct. ?? (?) ; Hyoung Suk Kim, Aeyoung Heo