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| === Sensors, actuators, and motors === | === Electronics === A list of local sensors, actuators, and motors equipped by the suspension systems. |
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| * Voice coil actuator | * OSEM - Optical Sensor and Electromagnet * Optical Lever * Fishing rod * Picomotor * |
VIS
Vibration Isolation System is the hardware infrastructure for the main optics in the KAGRA interferometer.
Contents
Space for VIS-internal use
Quick announcement
Frequently used links
VIS meeting: From 14:00 (JST) on every Friday - Meeting Page
VIS Upgrades
Instruments
Suspension types
Suspended optics
The optics in the KAGRA interferometer is often called their acronyms/abbreviations. Please mind also that we call the vacuum chambers or clean booths in a similar manner.
- Arm cavity
- ETMX
- ETMY
- ITMX
- ITMY
- Beam splitter (BS)
- Signal recycling cavity
- SRM
- SR2
- SR3
- Power recycling cavity
- PRM
- PR2
- PR3
- Input optics
- IMC
- IMMT1
- IMMT2
- Output optics
- OMMT1
- OMMT2
- OSTM
- OMC
- Auxiliary optics
- TMSX
- TMSY
Mechanics
Tower
- Pre-isolator
- Inverted Pendulum (IP)
Top GAS Filter (TF1)
- Standard GAS Filter (SF)
- Bottom GAS Filter (BF)
- Magnetic damper
Payload
- Cryogenic payload (CRYp): The bottom 4 stages in Type-A suspension, branch recoil-mass chain
- Platform (PF)
- Marionette (MN)
- Intermediate Mass (IM)
- Test Mass (TM)
- Room-temperature payload: The bottom 2 stages in Type-B and Type-Bp suspension, parallel recoil-mass chain
- Intermediate Mass (IM)
- Test Mass (TM)
Electronics
A list of local sensors, actuators, and motors equipped by the suspension systems.
- LVDT - Linear Variable Differential Transducer/Transformer, displacement sensor
[Derivative] Bottom-filter LVDT (BF LVDT)
- Geophone - inertial velocity sensor
- Accelerometer -
- OSEM - Optical Sensor and Electromagnet
- Optical Lever
- Fishing rod
- Picomotor
Installation
Real Time Model Development
Operation
VIS Introductioon
VIS Commissioning
Archives
Old Weekly EVO Meeting
- This meeting is suspended.
Subgroup
Members
- Chief: R. Takahashi
- Member： N. Ohishi, H. Ishizaki, F. E. Pena Arellano, M. Barton, N. Hirata, R. Flaminio, Y. Aso, T. Akutsu , E. Tapia (NAOJ),
T. Sekiguchi, K. Yamamoto, T. Uchiyama (ICRR), R. DeSalvo (Univ. of Sannio), E. Majorana (INFN Rome), J. van den Brand, E. Hennes, A. Bertolini, J. van Heijningen, K. Agatsuma (NIKHEF)
Communication info
- Mailing list: [kagra-seis]
This abbreviation should be avoided because it often refers to rather Transfer Function. (1)