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Interferometer work

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

• 2/25 Tank opening

  • OMC/IMC access connector
  • ITMX/Y heavy door

• 2/25 Input MC beam adjustment

  • beam centering to MC mirrors

Week of 3/15-3/19

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

• 3/19 aLIGO ISC

• 3/22 MMT Optics baking

• 3/23 MC realigned

4/5 ITMX/ITMY placement

4/6 ITMY aligned

4/12 ITMX aligned

4/13 PRM/SRM removed from the table

Suspension preparation

• Wed 17 Feb

  • Gluing test

    • Epoxy test. Try gluing a dumbbell to an optic. Check strength of bond. (It's good)
• Thurs 18 Feb

  • ITMX guiderod gluing

    • Place ITMX in guiderod fixture

    • Epoxy guiderod & standoff to ITMX (Afternoon)

    • Cure epoxy (overnight)
• Fri 19 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)

  • 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
• Mon 22 Feb

  • ITMX magnet gluing

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

  • EQ stop preparation

    • Talk to Zach - help him get started on this
    • 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)
• Tues 23 Feb

  • EQ stop preparation

    • Zach finish making EQ stops (at least enough for the ITMs...can finish the rest later in the week)

  • Hanging preparation

    • Balance Optical Table (Morning)

    • Make HeNe OpLev (Morning)

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

  • ITMY magnet gluing

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

• Tue 2 Mar (actual date)

  • ITMX hanging

    • Hang and balance ITMX. (All Day)
    • Epoxy wire standoffs in place after balancing
    • Cure epoxy (overnight)

• Tue 11 Mar (actual date)

  • ITMY hanging

    • Hang and balance ITMY. (All Day)
    • Epoxy wire standoffs in place after balancing
    • Cure epoxy (overnight)

• Mon 22 Mar (actual date)

  • ITMX/ITMY baking - done

    • Remove both ITMs from their suspensions (Morning) 2 person job
    • Vacuum bake to clean the optics - 48 hours
    • Leave the 2 ITMs alone in the bake oven
    • Get RGA scan to confirm they're sparkly clean

• Mon 5 Apr (actual date)

  • Final Prep for Installation

    • 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)