Differences between revisions 59 and 114 (spanning 55 versions)
⇤ ← Revision 59 as of 2012-07-16 21:25:51 →
Size: 2403
Editor: JamesonrollinsATligoDOTorg
Comment:
← Revision 114 as of 2021-10-27 19:08:20 → ⇥
Size: 632
Editor: AnchalguptaATligoDOTorg
Comment:
Deletions are marked like this. Additions are marked like this.
Line 1: Line 1:
= Vent documentation =

 * [[vent/Fall2021|Vent Fall 2021]]
Line 3: Line 7:
== 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
   * '''''what resolution do we need?'''''

(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) New periscope plate
  * --(manufactured)--
  * --(baked)--
  * '''ready to install'''

(6) Cavity scattering measurements? (Jan)

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

== 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]]
Line 68: Line 20:

Vent documentation

Vent plans

vent (last edited 2021-10-27 19:08:20 by AnchalguptaATligoDOTorg)