Transmission Monitor's Vibration Isolation Stage: preparation (TMS-VIS)
- With a fixed stage.
- TMS = BRT (beam reducing telescope) + GPT (Gouy phase telescope)
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Links to knowledge
Mechanical design: Mechanical design of TMS Vibration Isolation Stage (by Uraguchi-san)
Ref: design of blade spring for TMS VIS stage (in Japanese) (by Uraguchi-san)
Ref: mechanical model of TMS VIS (in Japanese) (by Uraguchi-san)
Memo: https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=8480
note: https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=8508
LVDTs
Be careful! The pin assignment in the Dsub shell or the signal phases would be different from the below for #1 and #2, as I needed to once detach the pins when I installed the LVDTs (Akutsu).
http://klog.icrr.u-tokyo.ac.jp/osl/?r=5046: note: LVDT1's coil wires were broken.
http://klog.icrr.u-tokyo.ac.jp/osl/?r=5106: note: LVDT6's coil wires were broken.
Actuator coils
Be careful! The pin assignment in the Dsub shell or the signal phases would be different from the below, as I needed to once detach the pins when I installed the coils (Akutsu).
- Tanioka-kun's efforts in 2017
- LVDT2EUL
V1 |
V2 |
V3 |
H1 |
H2 |
H3 |
To: |
-0.0710 |
0.0967 |
-0.0240 |
0.2910 |
0.2854 |
-0.6785 |
Long. |
-0.0631 |
0.0098 |
0.0515 |
-0.5522 |
0.5748 |
-0.0117 |
Trans. |
0.3358 |
0.3282 |
0.3313 |
0.0437 |
-0.0167 |
0.0063 |
Vert. |
0.4191 |
-1.2683 |
0.8165 |
0.2221 |
-0.0572 |
-0.4786 |
Roll |
1.2098 |
-0.1884 |
-0.9861 |
-0.1519 |
0.3047 |
-0.1701 |
Pitch |
-0.0966 |
-0.0340 |
-0.1312 |
0.5956 |
0.6034 |
0.8413 |
Yaw |
Geophones
Serical# of L-4C |
Vert/Horiz |
Naming of the assembled unit |
Assembler |
404080975 |
Vert |
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404080976 |
Vert |
TMS-VISX: Geo-V2 |
Akutsu |
404080977 |
Vert |
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404080978 |
Vert |
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404084240 |
Vert |
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404084241 |
Vert |
TMS-VISX: Geo-V3 |
Akutsu |
404084242 |
Vert |
TMS-VISX: Geo-V1 |
Fujii -> Akutsu |
2 |
Horiz |
TMS-VISX: Geo-H3 |
Akutsu -> Uraguchi |
3 |
Horiz |
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4 |
Horiz |
TMS-VISX: Geo-H1 |
Akutsu |
5 |
Horiz |
TMS-VISX: Geo-H2 |
Akutsu |
15 |
Horiz |
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16 |
Horiz |
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17 |
Horiz |
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Cabling
- LVDT/Act - (coil wires) - Dsub9M - (Dsub9F - PTFE 2m - Dsub9F) - Dsub9M flange - Flipper cable - Dsub Cable
- Geophone - (MIL C 26482 - PTFE 0.5m - Dsub9M) - (Dsub9F - 1.5m PTFE - Dsub9F) - Dsub9M flange - Flipper cable - Dsub Cable
Task list
Note: some of the tasks can be done in parallel.
Signal Assign
Pin Name |
Resistance |
Equipment |
Assign |
Comment1 |
Comment2 |
Connection |