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)

-  ⇤ ← Revision 143 as of 2012-09-06 15:52:17 → 
  Size: 7075
  Editor: KazuhiroYamamoto
  Comment:
+   ← Revision 193 as of 2020-02-28 11:51:56 → ⇥
  Size: 2437
  Editor: KokiOkutomi
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 2:
+= VIS =

'''V'''ibration '''I'''solation '''S'''ystem is the hardware infrastructure for the main optics in the KAGRA interferometer.
-Line 4:
+Line 9:
-== Vibration Isolation ==
 . Chief： R. Takahashi(ICRR)
 . Member： T. Uchiyama(ICRR), R. DeSalvo(Univ. of Sannio), H. Ishizaki(NAOJ), A. Takamori(ERI), E. Majorana(INFN), T. Sekiguchi(ICRR), K. Yamamoto(ICRR)
+== Space for VIS-internal use ==

=== Quick announcement ===

=== Frequently used links ===
 * '''VIS meeting''': From 14:00 (JST) on every Friday - [[KAGRA/Subgroups/VIS/MeetingNAOJ|Meeting Page]]
-Line 9:
+Line 17:
-== Weekly EVO Meeting ==
 . Every Wednesday, 21:00(JST)
+== VIS Upgrades ==
-Line 12:
+Line 19:
-=== The ??th (5 September, 2012) ===
 . [[attachment:LCGTviminute120905.txt|Minute]]

=== The 24th (28 September, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/modal_0928.pdf|Modal Analysis of Tripod by Takanori]]

=== The 23th (15 September, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/TypeB_sim_0915.pdf|Simulation on TypeB by Takanori]]

=== The 22th (7 September, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/Type-B_system_rycy.pdf|Z-Assembly for RM by Riccardo]]
 . [[attachment:KAGRA/Subgroups/VIS/Type-B_system_bs.pdf|Z-Assembly for BS by Riccardo]]
 . [[attachment:KAGRA/Subgroups/VIS/TypeB_sim_0907.pdf|Simulation on TypeB by Takanori]]

=== The 21th (31 August, 2011) ===
=== The 20th (24 August, 2011) ===
=== The 19th (10 August, 2011) ===
=== The 18th (27 July, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/PayloadB_0727.pdf|Design of Type-B payload by Riccardo]]

=== The 17th (20 July, 2011) ===
=== The 16th (13 July, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/SR2-PR2_0711.pdf|SR2-PR2 recoil mass by Riccardo]]
 . [[attachment:KAGRA/Subgroups/VIS/angle_0713.pdf|Angular fluctuation of TM by Takanori]]

=== The 15th (6 July, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/2type_0701.pdf|Type-B payload model by Sekiguchi]]

=== The 14th (29 June, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/kapton_0627.pdf|Kapton Wire by Sekiguchi]]

=== The 13th (22 June, 2011) ===
 . [[http://tamago.mtk.nao.ac.jp/ishizaki/LCGT/kaptonwire/cable.pdf|Kapton Wire by Ishizaki]]

=== The 12th (15 June, 2011) ===
=== The 11th (8 June, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/minute0608.pdf|Minute]]

=== The 10th (1 June, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/damping0601.pdf|Mode damping study by Takanori]]

=== The 9th (25 May, 2011) ===
=== The 8th (18 May, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/magicwand.png|Magic wands by Takanori]]
 . [[attachment:KAGRA/Subgroups/VIS/Check110512.pdf|Heavier test mass by Ettore and Takanori]]

=== The 7th (11 May, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/rep110511.pdf|Report by Takanori]]

=== The 6th (27 April, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/dimension110427.docx|Payload dimensions by Riccardo]]

=== The 5th (20 April, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/3D_model.pdf|Parameter Configuration by Ettore]]

=== (11 April, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/LCGT_PAY_10-30.pdf|Parameter Configuration by Ettore]]

=== The 4th (6 April, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/10-30_April06.docx|Simulation by Ettore]]
 . [[attachment:KAGRA/Subgroups/VIS/sequence110406.pdf|Installation sequence by Riccardo]]

=== The 3rd (30 March, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/coordinate110330.pdf|Coordinate system by Ryutaro]]
 . [[attachment:KAGRA/Subgroups/VIS/110330_isasA.pdf|Simulation by Takanori]]

=== The 2nd (23 March, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/memo110323.txt|Comments by Riccardo]]
 . [[attachment:KAGRA/Subgroups/VIS/report110323.doc|Status report by Riccardo]]
 . [[attachment:KAGRA/Subgroups/VIS/sim110323.pptx|Simulation by Ettore]]

=== The 1st (16 March, 2011) ===
 . [[attachment:KAGRA/Subgroups/VIS/Tower-a.pdf|Design for Type-A system]]
 . [[attachment:KAGRA/Subgroups/VIS/filter-chain.pdf|Detail of filter's chain]]
+[[KAGRA/Subgroups/VIS/Upgrade|Upgrade Page]]
-Line 88:
+Line 22:
-== LCGT防振系作業部会(2009) ==
=== 第6回 ===
 . 11月12日(木) 15:00-16:30 天文台輪講室
 . [[attachment:KAGRA/Subgroups/VIS/Modeling6.ppt|Model vs. Measurement in TAMA-SAS]]
 . [[attachment:KAGRA/Subgroups/VIS/chamber-AB.pdf|Design of Type-A,B chamber (rev.)]]
+== Suspension types ==
[[KAGRA/Subgroups/VIS/TypeA|Type-A]]
-Line 94:
+Line 25:
-=== 第5回 ===
 . 10月15日(木) 13:00-14:30 天文台大会議室 ([[attachment:KAGRA/Subgroups/VIS/minutes5.pdf|議事録]])
 . [[attachment:KAGRA/Subgroups/VIS/Modeling5.ppt|LCGT-SAS Modeling 5 (Type-B,C)]]
 . [[attachment:KAGRA/Subgroups/VIS/chamber-A.pdf|Design of Type-A chamber]]
+[[KAGRA/Subgroups/VIS/TypeB|Type-B]]
-Line 99:
+Line 27:
-=== ブレーンストーミング ===
 . 10月1日(木) 13:00-15:00 東京大学理学部１号館445号室 ([[attachment:KAGRA/Subgroups/VIS/minutes-b.pdf|議事録]])
 . [[attachment:KAGRA/Subgroups/VIS/brest.pdf|メモ]]
+[[KAGRA/Subgroups/VIS/TypeBp|Type-Bp]]
-Line 103:
+Line 29:
-=== 第4回 ===
 . 9月3日(木) 15:00-16:30 天文台輪講室 ([[attachment:KAGRA/Subgroups/VIS/minutes4.pdf|議事録]])
 . [[attachment:KAGRA/Subgroups/VIS/Modeling3.ppt|LCGT-SAS Modeling 3 (Gain boost)]]
 . [[attachment:KAGRA/Subgroups/VIS/Modeling4.pdf|LCGT-SAS Modeling 4 (Vertical, Pitch)]]
 . [[attachment:KAGRA/Subgroups/VIS/ICDsas2.doc|ICD update]] ([[attachment:ICDsas2.pdf|PDF]])
+[[KAGRA/Subgroups/VIS/Type-C|Type-C]]
-Line 109:
+Line 31:
-=== 第3回 ===
 . 8月6日(木) 15:00-16:30 天文台輪講室 ([[attachment:KAGRA/Subgroups/VIS/minutes3.pdf|議事録]])
 . [[attachment:KAGRA/Subgroups/VIS/Modeling2.ppt|LCGT-SAS Modeling 2]]
 . [[attachment:KAGRA/Subgroups/VIS/RandD2.pdf|低温懸架のR&Dについて]]
+[[KAGRA/Subgroups/VIS/Payload|Payload]]
-Line 114:
+Line 33:
-=== 第2回 ===
 . 7月16日(木) 15:00-16:30 天文台輪講室 ([[attachment:KAGRA/Subgroups/VIS/minutes2.pdf|議事録]])
 . [[attachment:KAGRA/Subgroups/VIS/Modeling1.ppt|LCGT-SAS Modeling]]
 . [[attachment:KAGRA/Subgroups/VIS/RandD.pdf|LCGT-SASのR&Dについて]]
+[[KAGRA/Subgroups/VIS/ActuatorDesign|Actuator design summary]]
-Line 119:
+Line 35:
-=== 第1回 ===
 . 6月3日(水) 17:00-19:00 天文台輪講室 ([[attachment:KAGRA/Subgroups/VIS/minutes1.pdf|議事録]])
 . [[attachment:KAGRA/Subgroups/VIS/agenda1.pdf|作業班、スケジュール]]
 . [[attachment:KAGRA/Subgroups/VIS/ICDsas.doc|ICD]] ([[attachment:ICDsas.pdf|PDF]])
 . [[attachment:KAGRA/Subgroups/VIS/LCGT-SAS2.pdf|常温-低温接続部]]
 . R&Dについて (次回)
+[[KAGRA/Subgroups/VIS/ChangeLog|Design Change Logs]]

== Suspended optics ==

 * 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
-Line 127:
+Line 67:
-== Archive ==
=== TAMA SAS ===
 . [[attachment:KAGRA/Subgroups/VIS/Report2009.ppt|Evaluation of TAMA-SAS for LCGT]]
 . [[attachment:tama_sas.pdf|Drawings of TAMA SAS]]
 . [[KAGRA/Subgroups/VIS/FEM/tama_sas|Item list to be improved]]
+== Installation ==
 . [[KAGRA/Subgroups/VIS/IstManual|Installation Procedure]]
 . [[KAGRA/Subgroups/VIS/VISInstWorkInfo|Misc. Installation Work Information]]
-Line 133:
+Line 71:
-=== TAMA Double Pendulum ===
 . [[LCGT/subgroup/vis/tama_double|Item list to be improved]]
+ . [[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]]
-Line 136:
+Line 79:
-=== Seismic spectrum in Kamioka mine ===
 . [[attachment:LCGT/subgroup/ifo/SPI/HeatLink/0702seis_Araya.zip|In loud day]] (This data should be used as nominal ground motion in Kamioka)
 . [[attachment:CLIO/NoiseBudgets/seismic/cryo_seismic.txt|In cryostat]]
+----
== VIS Introductioon ==
 . [[KAGRA/Subgroups/VIS/Introduction|Introduction materials for VIS]]
-Line 140:
+Line 83:
-=== LCGT-SAS model ===
 . Transfer function X0~X7/Xg --([[attachment:KAGRA/Subgroups/VIS/model_trf.txt|(old)]])--
 . Modeling M-file --([[attachment:KAGRA/Subgroups/VIS/model_mfile.zip|(2009/8/15)]])--[[attachment:KAGRA/Subgroups/VIS/model_mfile2.zip|(2009/8/17)]]
 . Spectrum of displacement --([[attachment:KAGRA/Subgroups/VIS/model_disp.zip|(2009/8/15)]])--[[attachment:KAGRA/Subgroups/VIS/model_disp2.zip|(2009/8/17)]]
-Line 145:
+Line 84:
-=== Finite Element Analysis ===
 . [[KAGRA/Subgroups/VIS/FEM|FEM Page]]
+----
== VIS Commissioning ==
 . [[KAGRA/Subgroups/VIS/Type-A/Commissioning|Type-A Commissioning]]
-Line 148:
+Line 88:
-=== Rigid-Body Models ===
 . [[KAGRA/Subgroups/VIS/Simulation|Simulation Page]]
+----
== Archives ==
 . [[KAGRA/Subgroups/VIS/Photos|Photos]]

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

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

== 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)


<<Navigation(children)>>