Differences between revisions 4 and 61 (spanning 57 versions)
⇤ ← Revision 4 as of 2011-07-22 00:11:39 →
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Editor: KojiArai
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Editor: JamesonrollinsATligoDOTorg
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== Current ==
 * [[vent/201107|2011 July]]		 == Prep for next vent ==

(1) Dichroic mirror for recycling cavities
 * [[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?'''''

(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)]]
 * --(manufactured)--
 * 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:
    * --(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
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 * [[vent/201107|2011 July]]
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 * [:Optics_Cleaning Vent Dec 2009]  * [[Optics_Cleaning| 2009 Dec]]
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 * [[Upgrade 09|IFO Upgrade 2009-2010]]  * [[Upgrade_09|IFO Upgrade 2009-2010]]

Vent plans

Prep for next vent

(1) Dichroic mirror for recycling cavities

(2) Black glass beam dumps

(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

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