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

{{attachment:AOStitle.png}}
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The objectives of the subgroup "Auxiliary Optics System" (AOS) is to have the other LCGT subgroups design and complete the auxiliary optics that physically, logically and consistently glue the main parts of the LCGT interferometer together.  . 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.
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Most of the AOS shall be fit to the vacuum chambers that had been already determined when the AOS group was established.
Even if the vacuum chamber was not designed considering the space allocated for AOS, AOS are required for fully operating LCGT, so we shall, by any means, pack them into the vacuum chambers if required.		  . Most of the AOS shall be fit to the vacuum chambers that had been already determined when the AOS group was established.
 . Even if the vacuum chamber was not designed considering the space allocated for AOS, AOS are required for fully operating KAGRA, so we shall, by any means, pack them into the vacuum chambers if required.
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||[[LCGT/subgroup/ifo/MIF/AuxOpticsLists|Aux. opt. list from MIF's point of view]]||[[LCGT/subgroup/vacuum|Layout Meeting]]|| ||
||[[LCGT/subgroup/ifo/MIF/OptParam|Optical Parameters]]||[[LCGT/subgroup/OCG/parametermeeting|Parameter Meeting]]|| ||
||[[LCGT/SVN|LCGT SVN]] ||[[LCGT/Terminology|Terminology]]||[[LCGT/iLCGT/Subgroup/DiscussionRana2010 | Discussion with Rana 2010]]||		  ||<#FF8080> ''''' Descriptions ''''' ||<#FF8080> ''''' Links '''''||
 || Auxiliary optics list from MIF's point of view || [[LCGT/subgroup/ifo/MIF/AuxOpticsLists]]||
 || Layout Meeting || [[KAGRA/Subgroups/VAC ]]||
 || Optical Parameters || [[LCGT/subgroup/ifo/MIF/OptParam]]||
 || Interface Parameter Meeting || [[LCGT/subgroup/OCG/parametermeeting]]||
 ||SVN (version control system) ||[[LCGT/SVN]] ||
 || Terminology || [[KAGRA/Terminology]]||
 || Discussion with Rana (2010) || [[LCGT/iLCGT/Subgroup/DiscussionRana2010]]||
 ||Roadmap || [[LCGT/Meeting/RoadMap]] ||
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 * [[LCGT/subgroup/AOS/StrayLight1|Stray Light Control]]
  * <!> Including beam baffles, output Faraday isolators, and calculation of BRDF of test masses...
 * [[LCGT/subgroup/AOS/BeamReduceTelescope1|Pick-off and transmit telescopes]]
   * <!> Auxiliary laser-locking system itself should be considered in MIF or IOO. The effort of system designing should be separated from that of engineering and fabricating from the WBS point of view (or what-you-call system engineering) even if the person assigned to both is the same.		 === Major subsystems ===
 ||<#FF8080> ''''' Subsystems ''''' ||<#FF8080> ''''' Related subgroups '''''||<#FF8080> ''''' Notes ''''' ||
 || [[LCGT/subgroup/AOS/StrayLight1|Stray Light Control]] || IOO, MIF, VAC, CRY, VIS || ||
 || [[LCGT/subgroup/AOS/BeamReduceTelescope1|Beam Reducing Telescopes]] || IOO, MIF, VAC, CRY, VIS|| ||
 || [[LCGT/subgroup/AOS/OptLev1|Optical Lever]] || IOO, MIF, VAC, CRY, VIS || ||
 || [[LCGT/subgroup/AOS/CCD1|Imagers and Light Sources ]] || ISC, IOO || including CCD Monitors or equivalent||
 || [[LCGT/subgroup/AOS/Viewport1|Viewports]] ||IOO, MIF, VAC, CRY, VIS, MIR || at room temperature ||
 || [[LCGT/subgroup/AOS/BeamTarget1|Automatic Target System]] ||MIF, VAC, DGS || ||
 || [[LCGT/subgroup/AOS/BeamModeProfiler1|Beam Profilers for large beams]] || IOO, MIF, VAC || ||
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 * [[LCGT/subgroup/AOS/OptLev1|Optical Lever]]
  * <!> Optical lever is a kind of local sensors, but unlike other local sensors, it requires long beam lines as lever's arms, thus this should be considerd in AOS.
 * [[LCGT/subgroup/AOS/CCD1|CCD monitors]]
 * [[LCGT/subgroup/AOS/Viewport1|Viewports on Vacuum Chambers]]
 * [[LCGT/subgroup/AOS/Shutter1|Beam Shutters]]
 * [[LCGT/subgroup/AOS/BeamTarget1|Beam Targets in Arms]]
 * [[LCGT/subgroup/AOS/BeamModeProfiler1|Beam Mode Profiler]]
 * [[LCGT/subgroup/AOS/InitialAlign1|Initial Alignment]]
 * Other local sensors/monitors/actuators?
 * Any other optics, outside breadboard,...
 * Squeezing system??
 * Maybe mainly VIS group's charge and not AOS's:
  * [[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)]]		 === Other subsystems ===
 ||<#FF8080> ''''' Subsystems ''''' ||<#FF8080> ''''' Responsible Subgroups '''''||<#FF8080> ''''' Notes ''''' ||
 ||Squeezing? || ||Squeezer optics ||
 || [[LCGT/subgroup/AOS/Shutter1|Beam Shutters]]|| IOO, MIF || ||
 || [[LCGT/subgroup/AOS/InitialAlign1|Initial Alignment]] || MIF || ||
 || [[LCGT/subgroup/AOS/JBOSEM1|Local Sensors and Actuators]] || VIS || LIGO's OSEM-like things utilized in vibration isolation system||
 || [[LCGT/subgroup/AOS/Violine1|Violine mode sensors or Wire position sensors]] || VIS?||utilized in vibration isolation system or in noise-hunting phase||
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 * [[LCGT/subgroup/AOS/Meeting_Archive|Meeting Archive]]
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== Links ==
 * [[https://dcc.ligo.org/|LIGO Document Control Center]]
 * [[https://www.advancedligo.mit.edu/aos.html|adv.LIGO Aux. Optics]]
 * [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/LCGT/subgroup/howtojoin|How to join Mailing Lists for LCGT project]]
== Useful Links ==
 ||<#FF8080> ''''' Descriptions ''''' ||<#FF8080> ''''' Links '''''||
 || LIGO Document Control Center || [[https://dcc.ligo.org/]] ||
 ||aLIGO Auxiliary Optics || [[https://www.advancedligo.mit.edu/aos.html]] ||
 || How to join Mailing Lists for LCGT project || [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/LCGT/subgroup/howtojoin]] ||
 || KAGRA AOS blog || [[http://gwclio.icrr.u-tokyo.ac.jp/lcgtsubgroup/auxiliary/]] ||

KAGRA Auxiliary Optics System (AOS)

AOStitle.png

Contents

  1. KAGRA Auxiliary Optics System (AOS)
    1. Objectives
    2. General Description
    3. References
    4. Subsystems
    5. Meetings
    6. Useful Links

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.

General Description

  • Most of the AOS shall be fit to the vacuum chambers that had been already determined when the AOS group was established.
  • Even if the vacuum chamber was not designed considering the space allocated for AOS, AOS are required for fully operating KAGRA, so we shall, by any means, pack them into the vacuum chambers if required.

References

Subsystems

Major subsystems

Other subsystems

Meetings

KAGRA/Subgroups/AOS (last edited 2019-04-11 15:18:56 by TomotadaAkutsu)