= Transmission Monitor System (TMS)= Related subgroups: IOO, MIF, VAC, CRY, VIS...
Also called "beam reducing telescope (BRT)" in LCGT.
Scope
Transmission monitors for IR/Green beams.
General Description
Functions
- Collect 1064nm and 532nm light transmitting ETMs.
- Monitor the off-centering and pitch/yaw fluctuations of the ITMs/ETMs relative to the preselected optical path.
- Monitor 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