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| * Figure out required spec (~a day) * Get a quote (~ 3 days ) |
* 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]] [[https://wiki-40m.ligo.caltech.edu/vent?action=AttachFile&do=get&target=Laseroptik2dw.pdf]] * [[Optical_Layout#PR3SR3|Optical table layout needs to be modified]] * Get a quote from ATF. |
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| * Need a discussion | * [[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)]] |
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| (3) OSEM mount screws (Jenne) | (3) OSEM mount screws (Steve) |
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| * http://131.215.115.52:8080/40m/6232 |
Vent plans
Prep for next vent
(1) Dichroic mirror for recycling cavities (Kiwamu)
- Figure out required spec
- wedge angle = 2 deg
- dichroic mirror quotes:
- 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
(3) OSEM mount screws (Steve)
- Hex-top, longer, sliver-plated
- Qty = 100
- No-plastic
(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