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* [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5636|Top Filter]] * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5637|Inverted Pendulum]] |
* [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5636|Top Filter (TF)]] * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5637|Inverted Pendulum (IP)]] |
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* Magnetic Damper * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5635|Standard Filter]] * Bottom Filter |
* Magnetic Damper (MD) * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5635|Standard Filter (SF)]] * Bottom Filter (BF) |
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* Platform * Marionette |
* Platform (PF) * Marionette (MT) |
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* Intermediate Mass | * Intermediate Mass (IM) |
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* Sapphire Mirror (Test Mass) | * Test Mass (TM) - Sapphire Mirror |
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* Under checking the parameters to be more realistic based on measurements and drawings | |
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* [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5099|[2016.11.15] Bottom filter optimal wight re-measurement]] | |
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[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5193|List of drivers for VIS]] | * General * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5193|List of drivers for VIS]] * [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=817|Lecture of Standalone Digital system for VIS]] |
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* NAOJ VIS Meeting [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/VIS/MeetingNAOJ|Minutes]] | |
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* [[https://www.dropbox.com/home/Subsystems/VIS/TypeA|KAGRA Dropbox > Subsystems > VIS > TypeA]] |
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 (MD)
- Bottom Filter (BF)
Cryogenics
- Cryo-Payload assy
- Platform (PF)
- Marionette (MT)
- Marionette Recoil Mass
- Intermediate Mass (IM)
- Intermediate Recoil Mass
- Test Mass (TM) - Sapphire Mirror
- 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.)
- Under checking the parameters to be more realistic based on measurements and drawings
[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
- General
- 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)