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Auxiliary Optics Lists

This is a preliminary list of auxiliary optics and sensors.

Near 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 to look at the mirror surface.

== Near ETM ==

• Suspended beam reducing telescope for transmitted beam.
  • Vibration isolation requirement TBD
• 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 to look at the mirror surface.