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| == Prep for next vent == (1) Dichroic mirror for recycling cavities (Jamie) * [[https://dcc.ligo.org/cgi-bin/private/DocDB/ShowDocument?docid=87589|spec in DCC]] * quotes: * --([[https://wiki-40m.ligo.caltech.edu/vent?action=AttachFile&do=get&target=ATF.pdf|ATF]])-- * '''''[[https://wiki-40m.ligo.caltech.edu/vent?action=AttachFile&do=get&target=Laseroptik.pdf|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_Layout#PR3SR3|Optical table layout needs to be modified]] * '''''[[http://nodus.ligo.caltech.edu:8080/40m/6907|optics now in hand]]''''' * Phase map of mirror, in and out of tip-tilt mounts (2) Black glass beam dumps * Large baffle style covers for the suspensions * Small V-shape pieces for generic purpose * [[https://dcc.ligo.org/cgi-bin/private/DocDB/ShowDocument?docid=77367|hexagonal]] * [[https://dcc.ligo.org/cgi-bin/private/DocDB/ShowDocument?docid=77543|diamond shaped]] * [[https://dcc.ligo.org/cgi-bin/private/DocDB/ShowDocument?docid=77545|diamond shaped (2inch)]] * being baked... (3) OSEM mount screws * requirements: * Hex-top, longer, sliver-plated * Qty = 100 * No-plastic * '''''[[http://nodus.ligo.caltech.edu:8080/40m/6472|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: * '''''We have tip-tilts from LHO''''' * --(baked)-- * --(assembled)-- * add mirrors * level * in-vac cables (quadrapuses) * __'''''Must place order with RND Cables'''''__ * electronics: * gather components: * DAC * anti-image filters * dewhite filters * coil drivers * eurocrate * cables (5) Mode-matching telescope adjustments (Jenne/Suresh) * Need to determine what exactly the problem is. * What needs to be moved? (6) Cavity scattering measurements? (Jan) (7) Review IP{ANG,POS} alignment/closeup proceedure == Previous == |
* [[vent/checklist|pre-vent/Common Pre-closeup checklists]] * [[vent/planningFall2021|Vent Fall 2021]] * [[vent/planningFall2020 |2020 Fall]] * [[vent/201905 |2019 May]] * [[vent/oldUnknownTime | Unknown Time ]] * [[vent/201812 |2018 October]] * [[vent/201708 |Tasks for next vent after Aug 30 2017]] * [[vent/201610|2016 October]] * [[vent/201605|2016 May-August]] |
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