Vent plans

Prep for next vent

(1) Dichroic mirror for recycling cavities

• spec in DCC

• quotes:

  • ATF

  • Laseroptik (final)

    • note: 2 deg wedge quote has Fused Silica grade F = 5 ppm homogeneity & micro roughness 0.3 nm RMS, Rana OKed both, 3 wks delivery, Jamie takes care of ordering

• Optical table layout needs to be modified

• optics in hand

• phase map of mirror, in and out of tip-tilt mounts

  • what resolution do we need?

(2) Black glass beam dumps

• Large baffle style covers for the suspensions
• Small V-shape pieces for generic purpose

  • hexagonal

  • diamond shaped

  • diamond shaped (2inch)

• manufactured

• being baked...

(3) OSEM mount screws

• requirements:
  • Hex-top, longer, sliver-plated
  • Qty = 100
  • No-plastic

• final design

• manufactured

• baked

• ready to install

(4) Active tip-tilts (Suresh/Jamie)

• Suresh is going to LHO April 15-25 for assembly/shipping of tip-tilts

• tip-tilts:

  • tip-tilts from LHO

  • baked

  • assembled

  • add mirrors
  • level
• in-vac cables (quadrapuses)

  • place order with RND Cables

• electronics:
  • gather components:
    • DAC
    • anti-image filters
    • dewhite filters
    • coil drivers
    • eurocrate
    • cables
  • install
  • test in DAQ

(5) New periscope plate

• manufactured

• baked

• ready to install

• need shorter pedestals for green PBS and beam dump

(6) Cavity scattering measurements? (Jan)

(7) Review IP{ANG,POS} alignment/closeup proceedure

Previous

• 2011 July

• 2010 July

• 2009 Dec

• 2006 September

• IFO Upgrade 2009-2010