40m upgrade installation plan

Main optics team

Week of 2/16-2/19

• 2/16-19 Pre-vent works

  • Tuning of the MC servo ~ low power MC test
  • End X/Y transmon optics relocations ~ making spaces for green
  • ITM pointing preparations ~ green/red pointers at the both ends

• 2/17 40m meeting

• 2/18 Power shutdown preparation

• 2/19 No work / only papers and pens

• 2/20 Power shutdown

Week of 2/22-2/26

• 2/22 Power shutdown recovery

  • System recovery
  • Check MC SOS status

    • Low power MC mode ~ P(intra_cav)<10W at the resonance (~10mW incident)

  • Pre-vent check list
    • PZT HV / Oplevs / etc

• 2/23 Reserved for trouble shooting

• 2/23 or 24 Vent

• 2/24 40m meeting

• 2/24-25 Input MC beam adjustment

  • beam centering to MC1/2/3 mirrors

  • moving faraday etc

• 2/25-26 ITMX/ITMY placement

  • ==>Small Optics Suspension

  • Placement procedure
  • ITMX/Y oplev

Week of 3/1-3/5

• 3/1-5 ITMX/ITMY placement (cont'd)

• 3/1-5 MMT placement / initial pointing adjustment

  • MC trans beam mode measurement

  • Renew the MMT solution

  • MMT placement

    • Optics delivery (Shipping Feb 25) / baking

  • Corridor projection ~ measuremnt & adjustment

  • Initial Pointing adjustment

• 3/3 40m meeting

Week of 3/8-3/12

• 3/8-9 Green steering installation?

• 3/10 40m meeting

• 3/11-12 No work

Week of 3/15-3/19

• 3/15-18 LVC meeting http://www.ligo.org/conferences/lv0310/

• 3/19 aLIGO ISC?

Week of 3/22-3/26

• 40m commisioning party!?

• ETMY Green installation

Week of 3/29-4/2

• SRM/PRM/BS placement

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

    • ==> TT preparations

• Closing up the vacuum

Week of 4/5-4/9

Suspension preparation

• 2/16-26 Small Optics Suspension

  • Wed 17 Feb

    • Gluing test

      • Betsy's going to overnight the magnet-to-dumbbell gluing fixture
      • Epoxy test. Try gluing a dumbbell to an optic?
  • Thurs 18 Feb

    • Magnet-dumbbell gluing

      • Make up matching sets of magnets using gaussmeter (Morning)
      • Etch magnets and dumbbells using razor blade (Morning)
      • Epoxy magnets to dumbbells (Morning)
      • Cure epoxy (overnight)

    • ITMX guiderod gluing

      • Place ITMX in guiderod fixture
      • Epoxy guiderods to ITMX (Afternoon)
      • Cure epoxy (overnight)
  • Fri 19 Feb

    • ITMX magnet gluing

      • Remove ITMX from guiderod fixture, place in magnet fixture
      • Epoxy magnets ITMX (Morning)
      • Cure epoxy (overnight)

    • ITMY guiderod gluing

      • Place ITMY in guiderod fixtrue
      • Epoxy guiderods to ITMY (Afternoon)
      • Cure epoxy (overnight)
  • Sat 20 Feb
    • No Electricity - No work
  • Sun 21 Feb

    • EQ stop preparation

      • Plan for viton cutting (something to help measure / keep the razor straight while cutting)
      • Cut the Viton
      • Assemble EQ stops (stick the viton in the screws)
  • Mon 22 Feb

    • ITMY magnet gluing

      • Glue magnets to ITMY (Morning)
      • Cure epoxy (overnight)

    • Hanging preparation

      • Balance Optical Table (Afternoon)

      • Make HeNe OpLev (Afternoon)

      • Ensure OSEM satellite box is ready, PZT buzzer is ready, and all other preparations for hanging optics
  • Tues 23 Feb

    • ITMX/ITMY hanging

      • Hang and balance both ITMs. (All Day)
      • Epoxy wire standoffs in place after balancing
      • Cure epoxy (overnight)
  • Wed 24 Feb

    • ITMX/ITMY baking?

      • Remove both ITMs from their suspensions (Morning) 2 person job
      • Airbake to clean the optics - 48 hours
  • Thurs 25 Feb

    • Airbake Continued

      • Leave the 2 ITMs alone in the airbake oven
  • Fri 26 Feb

    • Final Prep for Installation

      • Remove optics from the airbake oven 48 hours after they were put in
      • Reinstall optics in suspensions (Definitely a 2 person job)
      • Install the OSEMs in the new suspension towers (OSEMs to be taken from current MOS ITMs)
  • Mon 1 Mar

    • Installation Day 1

      • Begin installing the ITMs
  • Tues 2 Mar

    • Installation Day 2

      • Finish installing the ITMs

• TT Suspension

  • small parts drawings

    • ECDs drawings (done)

    • wire jig
  • purchase magnets (small/large)
  • cleaning

Green team

• before vent

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

• during vent

  • 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

A draft. Dates will come.

• Building of the RF Modulation Generator Box

  • Order 2U chassis from Metalcraft
  • Get an aluminum slab from the machine shop
  • Design and order front and back panels
  • Design the powering
  • Design and order RG-174 cables for the internal wiring
  • ...
• Modification of the RF Photodetectors
  • Replace the photodiodes and adjust for the changed impedances
• Modification of the demod board
  • Installation of the low/high/band pass filters
• Cabling to the EOM
• Cabling to the LSC Rack

• Building of the RF Distribution Box for the LSC rack

  • Order 1U chassis from Metalcraft
  • Get an aluminum slab from the machine shop
  • Design and order front and back panels
  • Design the powering
  • Design and order RG-174 cables for the internal wiring
  • ...

PSL table upgrade

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