Differences between revisions 41 and 46 (spanning 5 versions)

Vent plans

Prep for next vent

(1) Dichroic mirror for recycling cavities (Jamie)

spec in DCC
wedge angle = 2 deg
quotes:
- ATF
- 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 table layout needs to be modified

(2) Black glass beam dumps (Koji)

Large baffle style covers for the suspensions
Small V-shape pieces for generic purpose
being baked...

(3) OSEM mount screws (Steve)

Hex-top, longer, sliver-plated
Qty = 100
No-plastic
final design
manufactured and being baked...

(4) Active tip-tilts (Suresh/Jamie)

to get:
- tip-tilts from LHO
- Electronics
- Cables including vacuum-compatible ones and the non-vacuum ones
- Prepare mirrors
- Assembly and baking
- Prepare feedthrough connectors
- Digital controls
Suresh is going to LHO April 15-25 for

(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

2011 July
2010 July
2009 Dec
2006 September
IFO Upgrade 2009-2010

-  ⇤ ← Revision 41 as of 2012-03-28 22:30:00 → 
  Size: 2120
  Editor: StevevassATligoDOTorg
  Comment:
+   ← Revision 46 as of 2012-04-04 22:16:45 → ⇥
  Size: 2064
  Editor: JamesonrollinsATligoDOTorg
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 5:
-(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, 3 wks delivery, Jamie takes care of ordering 

    * [[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)
+(1) Dichroic mirror for recycling cavities (Jamie)
 * [[https://dcc.ligo.org/cgi-bin/private/DocDB/ShowDocument?docid=87589|spec in DCC]]
 * wedge angle = 2 deg
 * 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]]
-Line 26:
+Line 20:
+ * '''''being baked...'''''
-Line 31:
+Line 26:
- * http://131.215.115.52:8080/40m/6232
+ * '''''[[http://nodus.ligo.caltech.edu:8080/40m/6472|final design]]'''''
 * '''''manufactured and being baked...'''''
-Line 34:
+Line 30:
- * Electronics
 * Cables including vacuum-compatible ones and the non-vacuum ones
 * Prepare mirrors
 * Assembly and baking
 * Prepare feedthrough connectors
 * Digital controls
+ * to get:
   * tip-tilts from LHO
   * Electronics
   * Cables including vacuum-compatible ones and the non-vacuum ones
   * Prepare mirrors
   * Assembly and baking
   * Prepare feedthrough connectors
   * Digital controls
 * '''''Suresh is going to LHO April 15-25 for

Vent plans

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