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Size: 1053
Comment:
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Size: 2417
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
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| (1) Dichroic mirror for recycling cavities (Kiwamu) * Figure out required spec (~a day) * Get a quote (~ 3 days ) * 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]] * 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 |
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| (2) Black glass beam dumps (Koji) | (2) Black glass beam dumps |
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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)]] * being baked... |
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| (3) OSEM mount screws (Jenne) * Hex-top, longer, sliver-plated * Qty = 100 * No-plastic |
(3) OSEM mount screws * Hex-top, longer, sliver-plated * Qty = 100 * No-plastic * '''''[[http://nodus.ligo.caltech.edu:8080/40m/6472|final design]]''''' * --(manufactured)-- * --(baked)-- * '''''Ready to install''''' |
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| * 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 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 |
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| (5) OMC activation (Jenne) * Calculate the mode matching solutions and prepare appropriate telescopes * Draw optical layout * Digital controls |
(5) Mode-matching telescope adjustments (Jenne/Suresh) * Need to determine what exactly the problem is. * What needs to be moved? |
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| (6) OSEM upgrade (somebody) * Need a discussion |
(6) Cavity scattering measurements? (Jan) (7) Review IP{ANG,POS} alignment/closeup proceedure |
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| * [[Optics_Cleaning|2009 Dec]] | * [[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 (Jamie)
- quotes:
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
- Phase map of mirror, in and out of tip-tilt mounts
(2) Black glass beam dumps
- Large baffle style covers for the suspensions
- Small V-shape pieces for generic purpose
- being baked...
(3) OSEM mount screws
- Hex-top, longer, sliver-plated
- Qty = 100
- No-plastic
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
- gather components:
(5) Mode-matching telescope adjustments (Jenne/Suresh)
- Need to determine what exactly the problem is.
- What needs to be moved?
(6) Cavity scattering measurements? (Jan)
(7) Review IP{ANG,POS} alignment/closeup proceedure