40m upgrade installation plan

Past Plans

Main optics team

• IOO work

  • Moving faraday and input optics

• MMT placement / initial pointing adjustment

  • MC trans beam mode measurement

  • Renew the MMT solution

  • MMT placement

  • Corridor projection ~ measuremnt & adjustment

  • Initial Pointing adjustment
• ITMX/Y oplev

• SRM/PRM/BS placement

  • What to do before the SRM/PRM/BS placement?

  • TT ==> TT preparations

• AUX optics alignment
• Closing up the vacuum

Suspension preparation

• ?? Mar SRM magnet glueing
• ?? Mar PRM magnet glueing
• 27 Mar SRM/PRM side magnet glueing
• 29 Mar gluing finished
• ?? Apr

  • Remove the SOSs from the chamber

• ?? Apr

  • Hang and Balance SRM

  • Hang and Balance PRM

• ?? Apr

  • Stand off glueing

• Fri 19 Mar * Vacuum Bake PRM and SRM over the weekend

• TT Suspension

  • small parts drawings

    • ECDs drawings (done - Feb ??)

    • wire jig
  • purchase magnets (small/large) - in process
  • cleaning baking (done - Mar 23)
  • 29 Mar TT structure assembly (partial)

Green team

• before vent

  • relocation of existing optics at the end table -take 1.5day

• during vent

  • PLL measurement (9 Mar - 9? Apr)
  • set up the green stuff onto the end table
  • align the green laser to the cavity
    • how to: visual alignment
  • mode matching of the green laser to the cavity

    • on the table / corridor projection test ==> sliding mount

• after tank evacuation

  • recover IP-ANG and optical levers

CDS team

• 2/22-3/5 Delivery of some computers? / CDS software installations?
• -3/31 Installation for some of the suspensions?

RF team

Week of 3/22-3/26

• Conversion of the RF Photodetectors as in the table here

  • Removal of the photodetectors from the optics tables: REFL33 (PD2), REFL199 (PD6), REFL166 (PD11), AS166 (PD1), AS133 (PD9), POX33 (PD3), POY33 (PD4), PO133 (PD7-8), PO199 (PD7-8)
  • Replacement of the diodes: 2mm PDs for REFL11 (AM Monitor PD), REFL33 (PD2), REFL55 (PD6), AS55 (PD9) , POX11 (PD3) , POY11 (PD4); 1mm for REFL166(PD11), AS166(PD1), POP22-POP110(PD7-8)
  • Adjustment for PDs' boards for the change of capacitance due to the new diodes
  • Tune the resonant frequencies of the the old SPOB66, PD6, PD9, PD3, PD4, PD7-8

Week of 3/29-4/5

• Modification of the demod board
  • Installation of the low/high/band pass filters

• Prepare for building the RF Modulation Generator Box and of RF Distribution Box

  • RG-174 cables for the internal wiring
  • prepare the powering system
  • get RG-174 cables for the internal wiring
  • get 2 aluminum slabs from the machine shop

Week of 4/12-4/15

• Commissioning of AS55 PD
• Improvement of the REFL55 PD response
• Improvement of REFL11 PD by introducing and additional notch at 55MHz
• Commissioning of POX and POY PDs
• Design and commissioning of SPOB

Week of 4/19-4/25

• Design and commissioning of 3f PDs:
  • REFL33
  • REFL165
  • AS165

Week of 4/26-5/2

• Construction of the frequency generation box

Week of 5/3-5/9

• Continuing construction of frequency generation box
• Commissioning of the frequency generation

Week of 5/10-5/16

• construction and commissioning of the frequency distribution box for the LSC rack

• modification of the demod boards

Week of 5/17-5/23

• commissioning of the frequency distribution system
• LSC rack cabling and setup
  • Clearing of the old cabling
  • Cabling to the EOM
  • Cabling to the LSC Rack
  • Installation of the new modulation and demodulation chassis

Week of 5/31-6/6

• EOM installation

PSL table upgrade

• Laser delivery (done)
• New PSL layout plan
  • Mode measurements
  • Mode matching and profiles
• Installation procedure
  • When?
  • How?