## page was renamed from LCGT/subgroup/AOS
= KAGRA Auxiliary Optics (AOS) =

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<<TableOfContents(2)>>

== Tools ==
 * [[http://tamago.mtk.nao.ac.jp/takutsu/KAGRA/KagraConvert.html|Coordinates Converter of KAGRA]]
 * [[http://tamago.mtk.nao.ac.jp/takutsu/KAGRA/EulerAngleLightTools.html|Euler angle calculator for LightTools]]

== Objectives ==
 The objectives of the subgroup ''' "Auxiliary Optics System" (AOS) ''' is to design and complete the auxiliary optics that physically, logically and consistently glue the main parts of the KAGRA interferometer together.

== References ==
 ||[[LCGT/subgroup/ifo/MIF/AuxOpticsLists|Auxiliary optics list from MIF's point of view]]||
 ||[[KAGRA/Subgroups/VAC|Layout Meeting]]||[[LCGT/subgroup/OCG/parametermeeting|Interface Parameter Meeting]]||
 ||[[LCGT/subgroup/ifo/MIF/OptParam|Optical Parameters]]||
 ||[[LCGT/SVN|SVN]] || [[KAGRA/Terminology|Terminology]]||[[LCGT/Meeting/RoadMap|Roadmap]]||
 ||[[LCGT/iLCGT/Subgroup/DiscussionRana2010|Discussion with Rana (2010)]]||

== Subsystems ==
 * [[LCGT/subgroup/AOS/Viewport2017|Viewports]]
 * Optical levers (Oplevs)
  * [[KAGRA/Subgroups/AOS/Oplev_Light_Sources|Light sources]]
  * [[https://www.icrr.u-tokyo.ac.jp/~yamat/KAGRA/DET/trend/oplev.html|Trend of power of oplev light sources (Thanks to San T. Yamamoto)]]
  * --([[KAGRA/subgroup/AOS/Oplev_trend|[Obsolete]Trend of oplev sum]])--
  * --([[LCGT/subgroup/AOS/OptLev1|[Obsolete] Optical Levers development]])--
 * [[KAGRA/Subgroups/DGS/Projects/Cam|Digital Cameras]]
 * Stray-light control (SLC)
  * [[LCGT/subgroup/AOS/StrayLight1|General descriptions]]
  * Wide-angle baffles (WABs)
   * [[LCGT/subgroup/AOS/WideAngleBuffle|Cooling test at IYC (2018 Jan-April)]]
   * [[KAGRA/subgroup/AOS/WideAngleBaffleIX|WAB for IXC]]
   * [[KAGRA/Subgroups/AOS/WideAngleBaffleEY|WAB for EYC]]
   * [[KAGRA/subgroup/AOS/WideAngleBaffleIY|WAB for IYC]]
   * [[KAGRA/Subgroups/AOS/WideAngleBaffleEX|WAB for EXC]]
  * [[KAGRA/subgroups/AOS/NarrowAngleBaffles|NarrowAngleBaffles (NABs)]]
   * [[KAGRA/Subgroups/AOS/NAB2|NAB#2 for IYA]]
  * [[KAGRA/Subgroups/AOS/MidBaffles|Mid-size baffles]]
  * [[KAGRA/Subgroups/AOS/HighPowerBeamDumps1|High power beam dumps in vacuo]]
 * [[LCGT/subgroup/AOS/BeamReduceTelescope1|Transmission monitor Telescopes (TMS)]]
  * [[KAGRA/subgroup/AOS/TMSY1|Transmission Monitor Y (Phase 1)]]
  * [[KAGRA/subgroup/AOS/TMSX1|Transmission Monitor X (Phase 1)]]
  * [[KAGRA/subgroup/AOS/TMS-VIS0|TMS-VIS preparation]]
  * [[KAGRA/Subgroups/AOS/TMSY_O3|Transmission Monitor Y (For O3)]]
  * [[KAGRA/Subgroups/AOS/TMSX_O3|Transmission Monitor X (For O3)]]
  * [[KAGRA/Subgroups/AOS/TMS-VIS0-2019|TMS-VIS preparation 2019 (for TMSY-O3)]]
 * [[LCGT/subgroup/AOS/BeamModeProfiler1|Beam Profilers for large beams]]
 * [[LCGT/subgroup/AOS/Viewport1|[Obsolete] Viewports]]  at room temperature
 * [[LCGT/subgroup/AOS/BeamTarget1|[Obsolete]Automatic Target System]]
 * [[LCGT/subgroup/AOS/CCD1|[Obsolete] Imagers and Light Sources ]] including CCD Monitors or equivalent
== Related tasks ==
 * [[KAGRA/Subgroups/MIF/TaskList| MIF task lists]]

== Meetings ==
 * [[LCGT/subgroup/AOS/Meetings|KAGRA-AOS Meetings]]
 * [[LCGT/subgroup/AOS/Meeting_Archive|Meeting Archive]]

== Useful Links ==
 * [[https://dcc.ligo.org/|LIGO Document Control Center]]
 * [[https://www.advancedligo.mit.edu/aos.html|aLIGO Auxiliary Optics]]
 * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Tools/MailingLists|How to join Mailing Lists for LCGT project]]
 * [[http://gwclio.icrr.u-tokyo.ac.jp/lcgtsubgroup/auxiliary/|KAGRA AOS blog]]

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== Obsolete items ==
 * Squeezing? Squeezer optics
 * [[LCGT/subgroup/AOS/Shutter1|Beam Shutters]]
 * [[LCGT/subgroup/AOS/InitialAlign1|Initial Alignment]]
 * [[LCGT/subgroup/AOS/JBOSEM1|Local Sensors and Actuators]] LIGO's OSEM-like things utilized in vibration isolation system
 * [[LCGT/subgroup/AOS/Violine1|Violine mode sensors or Wire position sensors]] utilized in vibration isolation system or in noise-hunting phase