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* Heavier set: 3-2(F1), 2-2(F2), 1-4(F3) * Lighter set: 3-3(F1), 2-1(F2), 1-3(F3) |
* Heavy set: 3-2(F1), 2-2(F2), 1-4(F3) * Light set: 3-3(F1), 2-1(F2), 1-3(F3) |
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* VIS Meeting [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/VIS/MeetingNAOJ|Minutes]] |
Information of the Type-A Seismic Attenuation System (SAS). This page wants information about not only room-temperature parts but also cryogenic vibration isolation system.
Contents
Drawings
- Type-A SAS whole assy
- Vacuum chamber
Vertical (IXV, EXV, IYV, EYV)
- Cryostat
Room-temperature parts
- Magnetic Damper
- Bottom Filter
Cryogenics
- Cryo-Payload assy
- Platform
- Marionette
- Marionette Recoil Mass
- Intermediate Mass
- Intermediate Recoil Mass
- Sapphire Mirror (Test Mass)
- Recoil Mass
- Heat link
- Heat link suspension
Documents
Reports
Installation Procedure
Measurement and Analysis
- Type-A Control Simulation
- Shared with Google spread sheet (Browsing and commenting are permitted. Please contact to Okutomi for editing permission.)
[2016.08.15] Measurements of Standard Filter
- Data of weight, optimal load, GAS resonant frequency, keystone height
- Combination of the standard filters for Type-A with ID
- Heavy set: 3-2(F1), 2-2(F2), 1-4(F3)
- Light set: 3-3(F1), 2-1(F2), 1-3(F3)
Electronics
- LVDT
- LVDT-coil combiner
- Accelerometer
- ACC driver
- Coil-magnet actuator
- Optical lever
- QPD board
- Stepper motor
- Stepper motor driver
- Picomotor
- Picomotor driver
- Cabling
Members of Type-A Team
- Ryutaro TAKAHASHI (Leader)
- Hideharu ISHIZAKI
- Naohisa SATO
- Koki OKUTOMI
Schedule
Meeting
See also
JGW-E1504005: VIS Document and Drawing Tree (Type-A)