Differences between revisions 199 and 324 (spanning 125 versions)

Vibration Isolation System (VIS)

Meetings	Management	Other subsystem interfaces	User topics	Developer topics	<#52a31f style="color:#ffffff; text-align:center;"> Apps
Weekly VIS meeting	Schedule	AEL interfaces	Bug Reports	Upgrade	SUMCON
Extraordinary meetings		DGS interfaces		VIS Introduction	ModelPlotter
Old VISMeeting

Suspensions	Mechanics	Sensors	Actuators/Motors	Digital System	Control
Type-A	Pre-Isolator	Inertial Sensor	Voice coil actuator	RTModel	General concept
Type-B	GAS	LVDT	Solenoid actuator?	Guardian	-
Type-Bp	Magnetic damper	Photo Sensor	Picomotor	SDF	-
Type-C	Maraging wire	Optical Lever (OpLev)	Stepper motor	-	-
TMS-VIS	---	OSEM		-	-

Design	Installation	Commissioning	Operation
Suspension Design	Procedure	VIS Monitors	Manual
Actuator Design	Misc.	HealthCheck	---
---	---	---	---	---

Links, Misic.

Wiki SEI, SUS

Log SEI, LHO, LLO, Virgo

Photos

Definition and scope

xxxxx
yyyyy

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

-  ⇤ ← Revision 199 as of 2020-02-28 12:38:27 → 
  Size: 3635
  Editor: KokiOkutomi
  Comment:
+   ← Revision 324 as of 2020-04-28 23:30:31 → ⇥
  Size: 4290
  Editor: KousekiMiyo
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
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-= VIS =
+= Vibration Isolation System (VIS) =
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-'''V'''ibration '''I'''solation '''S'''ystem is the hardware infrastructure for the main optics in the KAGRA interferometer.
+||<#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;"> '''User topics'''||<#a31f52 style="color:#ffffff; text-align:center;"> '''Developer topics''' || <#52a31f  style="color:#ffffff; text-align:center;"> '''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/Upgrade|Upgrade]] ||[[KAGRA/Subgroups/VIS/Simulation|SUMCON]] ||
||[[KAGRA/Subgroups/VIS/ExtraMeetings|Extraordinary meetings]] || || [[KAGRA/Subgroups/VIS/DGSInterfaces|DGS interfaces]]   ||  ||[[KAGRA/Subgroups/VIS/Introduction|VIS Introduction]] || [[KAGRA/Subgroups/VIS/ModelPlotter|ModelPlotter]] ||
||[[KAGRA/Subgroups/VIS/OldVISMeetings|Old VISMeeting]] || || || || ||
-Line 7:
+Line 10:
-<<TableOfContents(3)>>
+||<#1e50a2 style="color:#ffffff; text-align:center;"> '''Suspensions''' ||<#1e50a2 style="color:#ffffff; text-align:center;"> '''Mechanics''' ||<#1e50a2 style="color:#ffffff; text-align:center;"> '''Sensors''' ||<#1e50a2 style="color:#ffffff; text-align:center;"> '''Actuators/Motors'''||<#1e50a2 style="color:#ffffff; text-align:center;"> '''Digital System'''||<#1e50a2 style="color:#ffffff; text-align:center;"> '''Control'''||
||<style="font-weight:bold;"> [[KAGRA/Subgroups/VIS/TypeA|Type-A]] || [[KAGRA/Subgroups/VIS/Mechanics/Pre-Isolator|Pre-Isolator]] || [[KAGRA/Subgroups/VIS/Sensors/InertialSensor|Inertial Sensor]] || [[KAGRA/Subgroups/VIS/Actuators/VoiceCoilActuator|Voice coil actuator]] || [[KAGRA/Subgroups/VIS/RealTimeModel|RTModel]] || [[KAGRA/Subgroups/VIS/Control/General|General concept]] ||
||<style="font-weight:bold;"> [[KAGRA/Subgroups/VIS/TypeB|Type-B]] || [[KAGRA/Subgroups/VIS/Mechanics/GAS|GAS]] || [[KAGRA/Subgroups/VIS/Sensors/LVDT|LVDT]] || Solenoid actuator? || [[KAGRA/Subgroups/VIS/Guardian|Guardian]] || - ||
||<style="font-weight:bold;"> [[KAGRA/Subgroups/VIS/TypeBp|Type-Bp]] || [[KAGRA/Subgroups/VIS/Mechanics/MagneticDamper|Magnetic damper]] ||[[KAGRA/Subgroups/VIS/Sensors/PhotoSensor|Photo Sensor]] || [[KAGRA/Subgroups/VIS/Motors/Picomotor|Picomotor]] || [[KAGRA/Subgroups/VIS/SDF|SDF]] || - ||
||<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/VIS/Motors/StepperMotor|Stepper motor]] || - || - ||
||<style="font-weight:bold;"> [[KAGRA/Subgroups/VIS/TMS-VIS|TMS-VIS]] || --- ||<-2 style="text-align:center;"> [[KAGRA/Subgroups/VIS/Sensors/OSEM|OSEM]] || - || - ||
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-== Space for VIS-internal use ==
+||<#52a31f style="color:#ffffff; text-align:center;"> '''Design''' ||<#52a31f style="color:#ffffff; text-align:center;"> '''Installation''' ||<#52a31f style="color:#ffffff; text-align:center;"> '''Commissioning''' ||<#52a31f  style="color:#ffffff; text-align:center;"> '''Operation''' ||
|| Suspension Design || [[KAGRA/Subgroups/VIS/IstManual|Procedure]] || [[KAGRA/Subgroups/VIS/VISMON|VIS Monitors]] ||[[KAGRA/Subgroups/VIS/OpsManual|Manual]]||
|| [[KAGRA/Subgroups/VIS/ActuatorDesign|Actuator Design]] || [[KAGRA/Subgroups/VIS/VISInstWorkInfo|Misc.]] || [[KAGRA/Subgroups/VIS/OpsManual/HealthCheck|HealthCheck]] || --- ||
|| --- || --- || --- || --- || --- ||
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-=== Quick announcement ===
+||<#52a31f  style="color:#ffffff; text-align:center;"> '''Links, Misic.''' ||
||Wiki [[https://awiki.ligo-wa.caltech.edu/wiki/Seismic_Isolation| SEI]], [[https://awiki.ligo-wa.caltech.edu/wiki/Suspensions|SUS]] ||
||Log [[https://alog.ligo-la.caltech.edu/SEI/index.php?content=1| SEI]], [[https://alog.ligo-wa.caltech.edu/aLOG/index.php?content=1|LHO]], [[https://alog.ligo-la.caltech.edu/aLOG/|LLO]], [[https://logbook.virgo-gw.eu/virgo/|Virgo]] ||
|| [[KAGRA/Subgroups/VIS/Photos|Photos]] ||
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-=== Frequently used links ===
 * '''VIS meeting''': From 14:00 (JST) on every Friday - [[KAGRA/Subgroups/VIS/MeetingNAOJ|Meeting Page]]

----
== VIS Upgrades ==

[[KAGRA/Subgroups/VIS/Upgrade|Upgrade Page]]

----
== Instruments ==

=== Suspension types ===
[[KAGRA/Subgroups/VIS/TypeA|Type-A]]

[[KAGRA/Subgroups/VIS/TypeB|Type-B]]

[[KAGRA/Subgroups/VIS/TypeBp|Type-Bp]]

[[KAGRA/Subgroups/VIS/Type-C|Type-C]]

[[KAGRA/Subgroups/VIS/Payload|Payload]]

[[KAGRA/Subgroups/VIS/ActuatorDesign|Actuator design summary]]

[[KAGRA/Subgroups/VIS/ChangeLog|Design Change Logs]]

=== 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 (TF<<FootNote(This abbreviation should be avoided because it often refers to rather Transfer Function.)>>)
 * 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)

=== Sensors, actuators, and motors ===

 * LVDT - Linear Variable Differential Transducer/Transformer, displacement sensor
  * [''Derivative''] Bottom-filter LVDT (BF LVDT)
 * Geophone - inertial velocity sensor
 * Accelerometer - 
 * Voice coil actuator

----
== Installation ==
 . [[KAGRA/Subgroups/VIS/IstManual|Installation Procedure]]
 . [[KAGRA/Subgroups/VIS/VISInstWorkInfo|Misc. Installation Work Information]]

 . [[KAGRA/Subgroups/VIS/iKAGRAbKAGRA|Tasks from iKAGRA to bKAGRA]]
----
== Real Time Model Development ==
 . [[KAGRA/Subgroups/VIS/RealTimeModel|Real-time Model Development]]
----
== Operation ==
 . [[KAGRA/Subgroups/VIS/OpsManual|Operation Manual]]

----
== VIS Introductioon ==
 . [[KAGRA/Subgroups/VIS/Introduction|Introduction materials for VIS]]
+== Definition and scope ==
 1. xxxxx
 2. yyyyy
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-----
== VIS Commissioning ==
 . [[KAGRA/Subgroups/VIS/Type-A/Commissioning|Type-A Commissioning]]



----
== Archives ==
 . [[KAGRA/Subgroups/VIS/Photos|Photos]]

----
== Old Weekly EVO Meeting ==
 . This meeting is suspended.

[[KAGRA/Subgroups/VIS/OldVISMeetings|Past minutes]]

== 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]

<<Navigation(children)>>
+-----
/!\ [April 28. 2020] Miyo is cleaning up the VIS wiki pages. Progress is posted [[https://github.com/gw-vis/kagra-vis/issues/18|here]].