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| == Prep for next vent == (1) Dichroic mirror for recycling cavities (Kiwamu) * Figure out required spec * [[https://dcc.ligo.org/cgi-bin/private/DocDB/ShowDocument?docid=87589|spec in DCC]] * wedge angle = 2 deg * dichroic mirror 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 (no wedge)]], [[https://wiki-40m.ligo.caltech.edu/vent?action=AttachFile&do=get&target=Laseroptik2dw.pdf|Laseroptik (new w/ 2 deg wedge)]] * note: 2 deg wedge quote has Fused Silica grade F = 5 ppm homogeneity & micro roughness 0.3 nm RMS, Rana OKed both, Jamie takes care of oredring * [[Optical_Layout#PR3SR3|Optical table layout needs to be modified]] * Get a quote from ATF. * Qty = 3 (2 + 1 spare ) * Start ordering (in a week) (2) Black glass beam dumps (Koji) * 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)]] (3) OSEM mount screws (Steve) * Hex-top, longer, sliver-plated * Qty = 100 * No-plastic * http://131.215.115.52:8080/40m/6232 (4) Active tip-tilts (Suresh/Jamie) * Electronics * Cables including vacuum-compatible ones and the non-vacuum ones * Prepare mirrors * Assembly and baking * Prepare feedthrough connectors * Digital controls (5) OMC activation (Jenne) * Calculate the mode matching solutions and prepare appropriate telescopes * Draw optical layout * Digital controls (6) OSEM upgrade (somebody) * Need a discussion == Previous == |
* [[vent/checklist|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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