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 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 0.1m as displacement and 0.1m/s as velocity. +~		  1. This subsystem makes vibration isolation for all optics used in KAGRA.
 2. Requirement of displacement of the test mass mirrors must be less than 4x10^-20m/rtHz at 10Hz. RMS motion must be less than 0.1 um as displacement and 0.1 um/s as velocity.
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|| - ||<style="font-weight:bold;"> [[KAGRA/Subgroups/VIS/Type-C|Type-C]] || [[KAGRA/Subgroups/VIS/Mechanics/MaragingWire|Maraging wire]] || [[KAGRA/Subgroups/VIS/Sensors/OpLev|Optical Lever (OpLev)]] || [[KAGRA/Subgroups/DGS/Projects/StepperMotor|Stepper Motor]] || - || - ||
|| - ||<style="font-weight:bold;"> [[KAGRA/Subgroups/VIS/TMS-VIS|TMS-VIS]] || - || - || [[KAGRA/Subgroups/VIS/OpsManual/FishingRods|Fishing Rods]] || - || - ||		 || - ||<style="font-weight:bold;"> [[KAGRA/Subgroups/VIS/Type-C|Type-C]] || [[KAGRA/Subgroups/VIS/Mechanics/MaragingWire|Maraging wire]] || [[KAGRA/Subgroups/VIS/Sensors/OpLev|Optical Lever (OpLev)]] || [[KAGRA/Subgroups/DGS/Projects/StepperMotor|Stepper Motor]] || [[KAGRA/Subgroups/VIS/BIO|BIO]] || - ||
|| - ||<style="font-weight:bold;"> [[KAGRA/Subgroups/VIS/TMS-VIS|TMS-VIS]] || - || [[KAGRA/Subgroups/VIS/ReleaseSensor|Release Sensor]] || [[KAGRA/Subgroups/VIS/OpsManual/FishingRods|Fishing Rods]] || - || - ||
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|| - || - || - || - || [[KAGRA/Subgroups/VIS/OpsManual/PicomotorPowerControlSwitch| PicomotorPowerControlSwitch]] || - || - ||
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||<#a31f52 style="color:#ffffff; text-align:center;"> '''Meetings'''||<#a31f52 style="color:#ffffff; text-align:center;"> '''Management'''||<#a31f52 style="color:#ffffff; text-align:center;"> '''Other subsystem interfaces''' ||<#a31f52 style="color:#ffffff; text-align:center;"> '''For Users'''||<#a31f52 style="color:#ffffff; text-align:center;"> '''VIS Apps''' ||
||[[KAGRA/Subgroups/VIS/MeetingNAOJ|Weekly VIS meeting]] || [[KAGRA/Subgroups/VIS/Schedule|Schedule]]|| [[KAGRA/Subgroups/VIS/AELInterfaces|AEL interfaces]] ||[[KAGRA/Subgroups/VIS/BugReports|Bug Reports]] ||[[KAGRA/Subgroups/VIS/OpsManual/SUMCON|SUMCON]]||
||[[KAGRA/Subgroups/VIS/ExtraMeetings|Extraordinary meetings]] || [[https://app.zenhub.com/workspaces/upgrade-for-o4-5f56e83aff8ec50012d90116/board?repos=276073075|Github Projects]]|| [[KAGRA/Subgroups/VIS/DGSInterfaces|DGS interfaces]] || [[KAGRA/Subgroups/VIS/TroubleShooting|Trouble Shooting]] || [[KAGRA/Subgroups/VIS/ModelPlotter|ModelPlotter]] ||		 ||<#a31f52 style="color:#ffffff; text-align:center;"> '''Meetings'''||<#a31f52 style="color:#ffffff; text-align:center;"> '''Management'''||<#a31f52 style="color:#ffffff; text-align:center;"> '''Maintainance'''||<#a31f52 style="color:#ffffff; text-align:center;"> '''Other subsystem interfaces''' ||<#a31f52 style="color:#ffffff; text-align:center;"> '''For Users'''||<#a31f52 style="color:#ffffff; text-align:center;"> '''VIS Apps''' ||
||[[KAGRA/Subgroups/VIS/MeetingNAOJ|Weekly VIS meeting]] || [[KAGRA/Subgroups/VIS/Schedule|Schedule]]|| Weekly Maintainance ||[[KAGRA/Subgroups/VIS/AELInterfaces|AEL interfaces]] ||[[KAGRA/Subgroups/VIS/BugReports|Bug Reports]] ||[[KAGRA/Subgroups/VIS/OpsManual/SUMCON|SUMCON]]||
||[[KAGRA/Subgroups/VIS/ExtraMeetings|Extraordinary meetings]] || [[https://app.zenhub.com/workspaces/upgrade-for-o4-5f56e83aff8ec50012d90116/board?repos=276073075|Github Projects]]|| aa|| [[KAGRA/Subgroups/VIS/DGSInterfaces|DGS interfaces]] || [[KAGRA/Subgroups/VIS/TroubleShooting|Trouble Shooting]] || [[KAGRA/Subgroups/VIS/ModelPlotter|ModelPlotter]] ||

Vibration Isolation System (VIS)

Subsystem Definition

  1. This subsystem makes vibration isolation for all optics used in KAGRA.
  2. Requirement of displacement of the test mass mirrors must be less than 4x10^-20m/rtHz 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?

Type-A

Pre-Isolator

Inertial Sensor

Voice coil actuator

RTModel

Acceptance Test

Actuator Design

Type-B

GAS

LVDT

Solenoid actuator?

Guardian

---

-

Type-Bp

Magnetic damper

Photo Sensor

Picomotor

SDF

-

-

Type-C

Maraging wire

Optical Lever (OpLev)

Stepper Motor

BIO

-

-

TMS-VIS

-

Release Sensor

Fishing Rods

-

-

-

-

-

-

Traverser

-

-

-

-

-

-

PicomotorPowerControlSwitch

-

-

-

-

-

OSEM

-

-

-

-

-

Temp. Control

-

-

Meetings

Management

Maintainance

Other subsystem interfaces

For Users

VIS Apps

Weekly VIS meeting

Schedule

Weekly Maintainance

AEL interfaces

Bug Reports

SUMCON

Extraordinary meetings

Github Projects

aa

DGS interfaces

Trouble Shooting

ModelPlotter

Old VISMeeting

Github Repository

CRY interface

AutoMeasurement

---

---

---

---

SuspensionControlModeling

---

---

---

---

Kontrol

---

---

---

---

VIS Health Check

Links, Misic.

Documents

Wiki SEI, SUS

VIS Introduction

Log SEI, LHO, LLO, Virgo

VIS Doc. Tree　

Photos

Daily Operations

/!\ [April 28. 2020] Miyo is cleaning up the VIS wiki pages. Progress is posted here.

Old (Please arrange me)

KAGRA/Subgroups/VIS (last edited 2022-02-25 19:10:23 by HirotakaYuzurihara)