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| The optical beams are for length control scheme of the interferometer, alignment control scheme of the mirrors, optical levers for LCGT-SUS, and other monitoring devices (CCD or equivalents). | The optical beams are for length control scheme of the interferometer, alignment control scheme of the mirrors, optical levers for LCGT-SUS, and other monitoring devices (CCD or equivalent video cameras). |
Viewports (at Room Temperature)
Related subsystems: IOO, MIF, VAC, CRY, VIS...
Contents
Scope
This subsystem provides the optical viewports to pass through the optical beams from the vacuum chambers in which LCGT main interferometer is stored. The optical beams include...
The viewport subsystems that will be applied to the cryo-vacuum chambers for ITMs/ETMs of the future LCGT are NOT included in the scope of this subsystem so far.
Introduction
We can extract optical beams from the interferometer inside the vacuum chamber at the viewports. The optical beams are for length control scheme of the interferometer, alignment control scheme of the mirrors, optical levers for LCGT-SUS, and other monitoring devices (CCD or equivalent video cameras).
Stray lights?
Applicable Documents
- Optical Layout Drawing of the LCGT interferometer
- Length Sensing doc
- Alignment Sensing doc
- Optical lever doc
- CCD Monitor doc
- Any...
Definitions
General Description
- AR coating for 1064 nm and 532 nm
- Wedge angle
Naming Conventions
Viewport Locations
- BS chamber