= Auxiliary Optics Lists =

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

=== ETM ===
 * Suspended beam reducing telescope for transmitted beam.
  * Vibration isolation requirement TBD
 * Detection optics for transmitted beam, especially QPD (suspended ? in vacuum ?), CCD
 * 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.

=== 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.


=== BS ===
 * Suspended steering mirrors to lead the POX/POY beams out of the vacuum chamber.
 * Detection optics for POX/POY (2xRFPD, RFPD, DCPD, RF QPD, DC QPD, CCD)
 * 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 (RFPD, DCPD, RF QPD, DC QPD, CCD)
 * 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 (DCPD, DC QPD, CCD)
 * CCD to look at the MC transmitted light.
 * 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 (RFPD, DCPD, RF QPD, DC QPD, CCD)
 * 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.
 * Detection optics for In vacuum DC PD.
 * Detection optics for OMC REFL.  (RFPD, DCPD, RF QPD, DC QPD, CCD)
 * Detection optics for AS RF port  (RFPD, DCPD, RF QPD, DC QPD, CCD).
 * 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.


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== Total amount ==

For IFO optics 
||Item|| ||ETMX||ETMY||ITMX||ITMY||BS||PRM||PR2||PR3|| ||Total||
|| || || || || || || || || || || || ||
||CCD|| ||1||1||1||1||1||1||1||1|| ||7||
||QPD for OL|| ||2||2||2||2||2||2||2||2|| ||14||
||OL Laser|| ||2||2||2||2||2||2||2||2|| ||14||
||Local sensor|| || || || || || || || || || || ||


For input optics:
||Item|| ||MC1||MC2||MC3||MMT1||MMT2||FI|| || || ||Total||
|| || || || || || || || || || || || ||
||CCD|| ||1||1||1||1||1||2|| || || ||7||
||QPD for OL|| ||2||2||2||2||2|| || || || ||10||
||OL Laser|| ||1||1||1||1||1|| || || || ||5||
||Local sensor|| || || || || || || || || || || ||

For output optics:
||Item|| ||OMMT1||OMMT2||OMC|| || || || || || ||Total||
|| || || || || || || || || || || || ||
||CCD|| ||1||1||2|| || || || || || ||4||
||QPD for OL|| ||2||2||2|| || || || || || ||6||
||OL Laser|| ||1||1||1|| || || || || || ||3||
||Local sensor|| || || || || || || || || || || ||


For output ports:
||Item|| ||DC||OMC REFL||AP RF||REFL||POX||POY||TRX||TRY||MC REFL||MCT|| ||Total||
|| || || || || || || || || || || || || || ||
||CCD|| || ||1||1||1||1||1||1||1||1||1|| ||9||
||RF PD|| || ||1||1||1||1||1|| || ||1|| || ||6||
||2xRF PD|| || || || || ||1|| || || || || || ||1||
||PD for DC readuot|| ||1|| || || || || || || || || || ||1||
||DC PD|| || ||1||1||1||1||1|| || ||1||1|| ||7||
||DC PD high/low|| || || || || || || ||1||1|| || || ||2||
||RF QPD|| || || ||2||2||2|| || || ||2|| || ||8||
||DC QPD|| || || || || || || ||1||1|| ||1|| ||3||

For laser table:
||Item|| ||Laser||FSS REFL||FSST||PMC REFL||PMCT||MZT1||MZT2||ISS|| ||Total||
|| || || || || || || || || || || || ||
||CCD|| || ||1||1||1||1||1||1|| || ||6||
||RF PD|| || ||1|| ||1|| ||1|| || || ||3||
||DC PD|| ||2|| ||1|| ||1|| ||1||1|| ||6||
||DC QPD|| || || || || ||1|| ||1|| || ||2||