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| = Beam Reducing Telescopes = | = Transmission Monitor = |
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Also called as "beam reducing telescope (BRT)". |
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| TBD | Transmission monitors for IR/Green beams. |
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| == Applicable Documents == * Spec. for vacuum chambers * Optical Layout Drawing of the LCGT interferometer * Length Sensing and Control doc * Alignment Sensing and Control doc * CCD Monitor doc * Any... |
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| Beams for TBD | * Monitoring the off-centering and pitch/yaw fluctuations of the ITMs/ETMs relative to the preselected optical path. * Monitoring the shape of the beam modes that transmit the arm cavity. === Required channels === |
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| * BS chamber * == Requirements == TBD == Characteristics == TBD |
* At the dedicated chambers in back of ETM chambers |
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| == Inspection plans == TBD |
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| TBD | * [[https://dcc.ligo.org/cgi-bin/DocDB/ShowDocument?docid=62886|LIGO-E1100537-v10, Transmission Monitor Telescope Suspension (TMS) Final Design]] * [[https://dcc.ligo.org/cgi-bin/DocDB/ShowDocument?docid=60926|LIGO-G1100439-v4, TMS Telescope Alignment]] * [[https://dcc.ligo.org/cgi-bin/DocDB/ShowDocument?docid=58277|LIGO-T1100258-v4, Transmission Monitoring Telescope and Suspension - TMS]] |
Transmission Monitor
Related subgroups: IOO, MIF, VAC, CRY, VIS...
Also called as "beam reducing telescope (BRT)".
Contents
Scope
Transmission monitors for IR/Green beams.
General Description
Functions
- Monitoring the off-centering and pitch/yaw fluctuations of the ITMs/ETMs relative to the preselected optical path.
- Monitoring the shape of the beam modes that transmit the arm cavity.
Required channels
Naming Conventions
TBD
Locations
- At the dedicated chambers in back of ETM chambers