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| == Prep for next vent == (1) Dichroic mirror replacements for PR3 and SR3 * [[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 in hand]])-- * __'''''phase map of mirror, in and out of tip-tilt mounts'''''__ * '''''what resolution do we need? Need to measure curvature.''''' (2) [[IO Active tip-tilts|Suspensions/Tip_Tilts_IO]] (Suresh/Jamie) * --(Suresh is going to LHO April 15-25 for assembly/shipping of tip-tilts)-- * tip-tilts: * --(tip-tilts from LHO)-- * --(bake)-- * --(assemble)-- * add mirrors * level * in-vac cables (quadrapuses) * __'''''ship parts to RND Cables'''''__ * __'''''place order with RND Cables'''''__ * bake * electronics: * gather components: * DAC * anti-image filters * dewhite filters * coil drivers * eurocrate * cables * install * test in DAQ (3) 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)]] * --(manufacture)-- * pedestals, clamps? * '''''bake''''' * assemble (4) OSEM mount screws * requirements: * Hex-top, longer, sliver-plated * Qty = 100 * No-plastic * '''[[http://nodus.ligo.caltech.edu:8080/40m/6472|final design]]''' * --(manufacture)-- * --(bake)-- * '''ready to install''' (5) New periscope plate * --(manufacture)-- * --(bake)-- * '''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 == tip-tilt wiring == {{attachment:40m-tt-wiring.svg}} relevant pictures: * BSC table, from north, above output PZT0: [[https://picasaweb.google.com/foteee/BSchamber_general_2July2012#5760738286971644386|1]], [[https://picasaweb.google.com/foteee/InVacWork4Aug2011#5637286023354525762|2]] * '''''Do we have 3 available 25-pin connectors on BSC table??''''' * IOO table, from west, through AC, input PZT0 detail: [[https://picasaweb.google.com/foteee/InVacWorkNov232010#5544001991913055442|1]], [[https://picasaweb.google.com/foteee/InVacWorkNov232010#5544002001413250658|2]] * '''''It looks like we have (or will have) 1 available 25-pin connector on IOO, which is all we need!''''' * OMC table, from east, through AC, output PZT1 detail: [[https://picasaweb.google.com/foteee/InVacWork4Aug2011#5637288817950887378|1]], [[https://picasaweb.google.com/foteee/InVacWork4Aug2011#5637288262639879746|2]] * '''''unclear what is available here''''' == 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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