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* ~+This subsystem makes vibration isolation for all optics used in KAGRA.+~ * ~+The test mass mirrors are cooled to 20K through heat links. Though the mechanical design for the cryogenic suspensions is included by the task of this subsystem , the final stage which consists of a sapphire mirror and sapphire wires is provided by the cryogenic subsystem. The heat links are not included in this subsystem either.+~ |
1. ~+This subsystem makes vibration isolation for all optics used in KAGRA.+~ 2. ~+Displacement of the test mass mirrors must be less than 4x10-20m/Hz1/2 at 10Hz. RMS motion must be less than 0.1 um as displacement and 0.1 um/s as velocity. +~ |
Vibration Isolation System (VIS)
Subsystem Definition
This subsystem makes vibration isolation for all optics used in KAGRA.
Displacement of the test mass mirrors must be less than 4x10-20m/Hz1/2 at 10Hz. RMS motion must be less than 0.1 um as displacement and 0.1 um/s as velocity.
Reference JGW-T1100365-v2
Design |
Suspensions |
Mechanics |
Sensors |
Actuators/Motors |
Digital System |
Diagnostics |
Concept? |
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Solenoid actuator? |
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Meetings |
Management |
Other subsystem interfaces |
For Users |
VIS Apps |
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Links, Misic. |
Documents |
[April 28. 2020] Miyo is cleaning up the VIS wiki pages. Progress is posted here.
Old (Please arrange me)