Differences between revisions 16 and 27 (spanning 11 versions)
Revision 16 as of 2011-07-02 23:40:54
Size: 1337
Comment:
Revision 27 as of 2011-07-03 00:28:26
Size: 1575
Comment:
Deletions are marked like this. Additions are marked like this.
Line 2: Line 2:
Related subsystems: IOO, MIF, VAC, CRY, VIS... '''''Related subsystems:''''' MIR, IOO, MIF, VAC, CRY, VIS...
Line 12: Line 12:
== 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 equivalents).

Stray lights?

=== Applicable Documents ===
== Applicable Documents ==
 * Spec. for vacuum chambers
Line 26: Line 21:
=== Definitions === == General Description ==
We can extract optical beams at the viewports from the interferometer inside the vacuum chamber.
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?

 * AR coating for 1064 nm and 532 nm
 * Wedge angle
Details are described in ''Characteristics'' section.
Line 29: Line 32:
== General Description ==
 * AR coating for 1064 nm and 532 nm
 * Wedge angle
=== Functions ===
 * Photocal
 * Optical Lever
 * Video camera
 * Illumination
 * Diagnostic
 * Squeeze
 * Spare
Line 33: Line 41:
== Naming Conventions == === Naming Conventions ===
Line 35: Line 43:
== Viewport Locations == === Locations ===
Line 39: Line 47:
== Characteristics ==

== Inspection plans ==

Viewports (at Room Temperature)

Related subsystems: MIR, IOO, MIF, VAC, CRY, VIS...


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.

Applicable Documents

  • Spec. for vacuum chambers
  • Optical Layout Drawing of the LCGT interferometer
  • Length Sensing doc
  • Alignment Sensing doc
  • Optical lever doc
  • CCD Monitor doc
  • Any...

General Description

We can extract optical beams at the viewports from the interferometer inside the vacuum chamber. 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?

  • AR coating for 1064 nm and 532 nm
  • Wedge angle

Details are described in Characteristics section.

Functions

  • Photocal
  • Optical Lever
  • Video camera
  • Illumination
  • Diagnostic
  • Squeeze
  • Spare

Naming Conventions

Locations

  • BS chamber

Characteristics

Inspection plans

LCGT/subgroup/AOS/Viewport1 (last edited 2012-09-16 20:40:35 by KiwamuIzumi)