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 mirror and above masses
  • At least horizontal degrees of freedom (X,Y)
  • Preferably a vertical sensor (Z) and side
  • 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 mirror and above masses
  • At least horizontal degrees of freedom (X,Y)
  • Preferably a vertical sensor (Z) and side
  • 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 and above masses
  • At least horizontal degrees of freedom (X,Y)
  • Preferably a vertical sensor (Z) and side
  • 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 and above masses
  • At least horizontal degrees of freedom (X,Y)
  • Preferably a vertical sensor (Z) and side
  • 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.

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 and above masses
  • At least horizontal degrees of freedom (X,Y)
  • Preferably a vertical sensor (Z) and side
  • 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 and above masses
  • At least horizontal degrees of freedom (X,Y)
  • Preferably a vertical sensor (Z) and side
  • 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

• Optical Lever
• Local sensors to monitor the position of the mirror and above masses
  • At least horizontal degrees of freedom (X,Y)
  • Preferably a vertical sensor (Z) and side
  • 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 and above masses
  • At least horizontal degrees of freedom (X,Y)
  • Preferably a vertical sensor (Z) and side
  • 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 and above masses
  • At least horizontal degrees of freedom (X,Y)
  • Preferably a vertical sensor (Z) and side
  • 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.

MC1

• Suspended steering mirrors to lead the MC REFL beams out of the vacuum chamber.
• Detection optics for MC REFL.
• Optical Lever
• Local sensors to monitor the position of the mirror and above masses
  • At least horizontal degrees of freedom (X,Y)
  • Preferably a vertical sensor (Z) and side
  • 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.

MC2

• Detection optics for transmitted beam (MCT), especially QPD (suspended ? in vacuum ?)
• Detection optics for MCT.
• Optical Lever
• Local sensors to monitor the position of the mirror and above masses
  • At least horizontal degrees of freedom (X,Y)
  • Preferably a vertical sensor (Z) and side
  • 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.

MC3

• Optical Lever
• Local sensors to monitor the position of the mirror and above masses
  • At least horizontal degrees of freedom (X,Y)
  • Preferably a vertical sensor (Z) and side
  • 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.

MMT1

• Optical Lever
• Local sensors to monitor the position of the mirror and above masses
  • At least horizontal degrees of freedom (X,Y)
  • Preferably a vertical sensor (Z) and side
  • 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.

MMT2

• Optical Lever
• Local sensors to monitor the position of the mirror and above masses
  • At least horizontal degrees of freedom (X,Y)
  • Preferably a vertical sensor (Z) and side
  • 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
• CCD cameras to look at the iniput/output of FI.

OMMT1

• Optical Lever
• Local sensors to monitor the position of the mirror and above masses
  • At least horizontal degrees of freedom (X,Y)
  • Preferably a vertical sensor (Z) and side
  • 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.

OMMT2

• Optical Lever
• Local sensors to monitor the position of the mirror and above masses
  • At least horizontal degrees of freedom (X,Y)
  • Preferably a vertical sensor (Z) and side
  • 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.

OMC

• Suspended steering mirrors to lead the DC PD beams in the vacuum chamber.
• Suspended steering mirrors to lead the OMC REFL beams out of the vacuum chamber.
• Suspended steering mirrors to pickoff RF signals (1%?) out of the vacuum chamber.
• Suspended steering mirror(s) to lead the transmitted beam out of the vacuum chamber.
• Detection optics for In vacuum DC PD.
• Detection optics for OMC REFL.
• Detection optics for AS RF PD/QPD (in vacuum ?).
• Optical Lever
• Local sensors to monitor the position of the mirror and above masses
  • At least horizontal degrees of freedom (X,Y)
  • Preferably a vertical sensor (Z) and side
  • 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 OMC mirror surface.

Total amount

For IFO optics

For input optics:

For output optics:

For output ports: