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Deletions are marked like this. Additions are marked like this.
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This is a preliminary list of auxiliary optics and sensors. This is a preliminary list of auxiliary optics, sensors and other stuff.
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== Near ITM == === ITM ===
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 * CCD to look at the mirror surface.  * CCD camera to look at the mirror surface.
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== Near ETM ==  === ETM ===
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 * Detection optics for transmitted beam, especially QPD (suspended ? in vacuum ?)
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 * CCD camera to look at the mirror surface.

=== BS ===
 * Suspended steering mirrors to lead the POX/POY beams out of the vacuum chamber.
 * Detection optics for POX/POY.
 * Optical Lever
 * Local sensors to monitor the position of the mirror
  * At least horizontal degrees of freedom (X,Y)
  * Preferably a vertical sensor (Z)
  * The sensors have to be rigidly mounted on the ground so that these are useful for remembering the position of the mirror and recording the drifts.
 * Suspended beam dumps for killing auxiliary beams (in vacuum).
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=== PRM ===
 * Optical Lever
 * Local sensors to monitor the position of the mirror
  * At least horizontal degrees of freedom (X,Y)
  * Preferably a vertical sensor (Z)
  * The sensors have to be rigidly mounted on the ground so that these are useful for remembering the position of the mirror and recording the drifts.
 * Suspended beam dumps for killing auxiliary beams (in vacuum).
 * CCD to look at the mirror surface.

=== Faraday ===
 * Detection optics for REFL

=== PR2 ===
 * Suspended steering mirror(s) to lead the transmitted beam out of the vacuum chamber.
 * Detection optics for POP.
 * Injection/Detection optics for green laser.
 * Optical Lever
 * Local sensors to monitor the position of the mirror
  * At least horizontal degrees of freedom (X,Y)
  * Preferably a vertical sensor (Z)
  * The sensors have to be rigidly mounted on the ground so that these are useful for remembering the position of the mirror and recording the drifts.
 * Suspended beam dumps for killing auxiliary beams (in vacuum).
 * CCD to look at the mirror surface.

=== PR3 ===
 * Optical Lever
 * Local sensors to monitor the position of the mirror
  * At least horizontal degrees of freedom (X,Y)
  * Preferably a vertical sensor (Z)
  * The sensors have to be rigidly mounted on the ground so that these are useful for remembering the position of the mirror and recording the drifts.
 * Suspended beam dumps for killing auxiliary beams (in vacuum).
 * CCD to look at the mirror surface.

=== SRM ===
 * Suspended steering mirror(s) to lead the transmitted beam out of the vacuum chamber.
 * Detection optics for AS
  * AS Pick-off
  * AS RF PD/QPD (in vacuum ?)
  * Suspended mode matching telescope for OMC
  * Suspended OMC
  * In vacuum DC PD
 * Optical Lever
 * Local sensors to monitor the position of the mirror
  * At least horizontal degrees of freedom (X,Y)
  * Preferably a vertical sensor (Z)
  * The sensors have to be rigidly mounted on the ground so that these are useful for remembering the position of the mirror and recording the drifts.
 * Suspended beam dumps for killing auxiliary beams (in vacuum).
 * CCD to look at the mirror surface.

=== SR2 ===
 * Suspended steering mirror(s) to lead the green beam into the interferometer.
 * Injection/Detection optics for green laser.
 * Optical Lever
 * Local sensors to monitor the position of the mirror
  * At least horizontal degrees of freedom (X,Y)
  * Preferably a vertical sensor (Z)
  * The sensors have to be rigidly mounted on the ground so that these are useful for remembering the position of the mirror and recording the drifts.
 * Suspended beam dumps for killing auxiliary beams (in vacuum).
 * CCD to look at the mirror surface.

=== SR3 ===
 * Optical Lever
 * Local sensors to monitor the position of the mirror
  * At least horizontal degrees of freedom (X,Y)
  * Preferably a vertical sensor (Z)
  * The sensors have to be rigidly mounted on the ground so that these are useful for remembering the position of the mirror and recording the drifts.
 * Suspended beam dumps for killing auxiliary beams (in vacuum).
 * CCD to look at the mirror surface.

Auxiliary Optics Lists

This is a preliminary list of auxiliary optics, sensors and other stuff.

ITM

  • Optical lever
  • Local sensors to monitor the position of the test mass
    • At least horizontal degrees of freedom (X,Y)
    • Preferably a vertical sensor (Z)
    • The sensors have to be rigidly mounted on the ground so that these are useful for remembering the position of the mirror and recording the drifts.
  • Suspended baffles (suggested by Riccardo)
  • Suspended beam dumps for AR reflected beams.
  • CCD camera to look at the mirror surface.

ETM

  • Suspended beam reducing telescope for transmitted beam.
    • Vibration isolation requirement TBD
  • Detection optics for transmitted beam, especially QPD (suspended ? in vacuum ?)
  • Optical lever
  • Local sensors to monitor the position of the test mass
    • At least horizontal degrees of freedom (X,Y)
    • Preferably a vertical sensor (Z)
    • The sensors have to be rigidly mounted on the ground so that these are useful for remembering the position of the mirror and recording the drifts.
  • Suspended baffles to kill scattered light (suggested by Riccardo)
  • Suspended beam dumps for killing AR reflected beams.
  • CCD camera to look at the mirror surface.

BS

  • Suspended steering mirrors to lead the POX/POY beams out of the vacuum chamber.
  • Detection optics for POX/POY.
  • Optical Lever
  • Local sensors to monitor the position of the mirror
    • At least horizontal degrees of freedom (X,Y)
    • Preferably a vertical sensor (Z)
    • The sensors have to be rigidly mounted on the ground so that these are useful for remembering the position of the mirror and recording the drifts.
  • Suspended beam dumps for killing auxiliary beams (in vacuum).
  • CCD to look at the mirror surface.

PRM

  • Optical Lever
  • Local sensors to monitor the position of the mirror
    • At least horizontal degrees of freedom (X,Y)
    • Preferably a vertical sensor (Z)
    • The sensors have to be rigidly mounted on the ground so that these are useful for remembering the position of the mirror and recording the drifts.
  • Suspended beam dumps for killing auxiliary beams (in vacuum).
  • CCD to look at the mirror surface.

Faraday

  • Detection optics for REFL

PR2

  • Suspended steering mirror(s) to lead the transmitted beam out of the vacuum chamber.
  • Detection optics for POP.
  • Injection/Detection optics for green laser.
  • Optical Lever
  • Local sensors to monitor the position of the mirror
    • At least horizontal degrees of freedom (X,Y)
    • Preferably a vertical sensor (Z)
    • The sensors have to be rigidly mounted on the ground so that these are useful for remembering the position of the mirror and recording the drifts.
  • Suspended beam dumps for killing auxiliary beams (in vacuum).
  • CCD to look at the mirror surface.

PR3

  • Optical Lever
  • Local sensors to monitor the position of the mirror
    • At least horizontal degrees of freedom (X,Y)
    • Preferably a vertical sensor (Z)
    • The sensors have to be rigidly mounted on the ground so that these are useful for remembering the position of the mirror and recording the drifts.
  • Suspended beam dumps for killing auxiliary beams (in vacuum).
  • CCD to look at the mirror surface.

SRM

  • Suspended steering mirror(s) to lead the transmitted beam out of the vacuum chamber.
  • Detection optics for AS
    • AS Pick-off
    • AS RF PD/QPD (in vacuum ?)
    • Suspended mode matching telescope for OMC
    • Suspended OMC
    • In vacuum DC PD
  • Optical Lever
  • Local sensors to monitor the position of the mirror
    • At least horizontal degrees of freedom (X,Y)
    • Preferably a vertical sensor (Z)
    • The sensors have to be rigidly mounted on the ground so that these are useful for remembering the position of the mirror and recording the drifts.
  • Suspended beam dumps for killing auxiliary beams (in vacuum).
  • CCD to look at the mirror surface.

SR2

  • Suspended steering mirror(s) to lead the green beam into the interferometer.
  • Injection/Detection optics for green laser.
  • Optical Lever
  • Local sensors to monitor the position of the mirror
    • At least horizontal degrees of freedom (X,Y)
    • Preferably a vertical sensor (Z)
    • The sensors have to be rigidly mounted on the ground so that these are useful for remembering the position of the mirror and recording the drifts.
  • Suspended beam dumps for killing auxiliary beams (in vacuum).
  • CCD to look at the mirror surface.

SR3

  • Optical Lever
  • Local sensors to monitor the position of the mirror
    • At least horizontal degrees of freedom (X,Y)
    • Preferably a vertical sensor (Z)
    • The sensors have to be rigidly mounted on the ground so that these are useful for remembering the position of the mirror and recording the drifts.
  • Suspended beam dumps for killing auxiliary beams (in vacuum).
  • CCD to look at the mirror surface.

LCGT/subgroup/ifo/MIF/AuxOpticsLists (last edited 2011-04-15 11:51:12 by OsamuMiyakawa)