Differences between revisions 44 and 65 (spanning 21 versions)

Vent plans

Prep for next vent

(1) Dichroic mirror for recycling cavities

spec in DCC
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
optics in hand
phase map of mirror, in and out of tip-tilt mounts
- what resolution do we need? Need to measure curvature.

(2) 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
- 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
manufacture
pedestals, clamps?
bake
assemble

(4) OSEM mount screws

requirements:
- Hex-top, longer, sliver-plated
- Qty = 100
- No-plastic
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

-  ⇤ ← Revision 44 as of 2012-04-04 22:06:30 → 
  Size: 2008
  Editor: JamesonrollinsATligoDOTorg
  Comment:
+   ← Revision 65 as of 2012-07-17 02:28:09 → ⇥
  Size: 2695
  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 (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
+(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?  Need to measure curvature.'''''
-Line 14:
+Line 16:
-    * [[Optical_Layout#PR3SR3|Optical table layout needs to be modified]]
+(2) 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)--
    * --(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
-Line 16:
+Line 39:
- * Get a quote from ATF.
 * Qty = 3 (2 + 1 spare )
 * Start ordering (in a week)

(2) Black glass beam dumps (Koji)
+(3) Black glass beam dumps
-Line 26:
+Line 45:
+ * --(manufacture)--
 * pedestals, clamps?
 * '''''bake'''''
 * assemble
-Line 27:
+Line 50:
-(3) OSEM mount screws (Steve)
 * Hex-top, longer, sliver-plated
 * Qty = 100
 * No-plastic
 * http://131.215.115.52:8080/40m/6232
+(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'''
-Line 33:
+Line 60:
-(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) New periscope plate
  * --(manufacture)--
  * --(bake)--
  * '''ready to install'''
  * __'''''need shorter pedestals for green PBS and beam dump'''''__
-Line 41:
+Line 66:
-(5) OMC activation (Jenne)
 * Calculate the mode matching solutions and prepare appropriate telescopes
 * Draw optical layout
 * Digital controls
+(6) Cavity scattering measurements? (Jan)
-Line 46:
+Line 68:
-(6) OSEM upgrade (somebody)
 * Need a discussion
+(7) Review IP{ANG,POS} alignment/closeup proceedure

== tip-tilt wiring ==

{{attachment:40m-tt-wiring.svg}}

Vent plans

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tip-tilt wiring

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