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40m Log |
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Sat Oct 26 21:46:33 2013, RANA, Update, IOO, Mode Cleaner Tune-UP 
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Mon Oct 28 14:12:48 2013, manasa, Update, IOO, Mode Cleaner relocked
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Wed Oct 30 01:53:52 2013, Jenne, Update, IOO, Mode Cleaner relocked
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Mon Oct 28 21:33:55 2013, RANA, Update, IOO, Mode Cleaner Tune-UP
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Thu Oct 31 15:34:28 2013, manasa, Update, IOO, MC not happy since yesterday
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Thu Oct 31 20:05:48 2013, RANA, Update, IOO, Mode Cleaner Tune-UP
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Fri Nov 1 09:45:32 2013, Steve, Update, IOO, beam dumps to be find
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Mon Nov 4 11:37:12 2013, Steve, Update, IOO, PSL output shutter installed
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Mon Nov 4 12:59:43 2013, Jenne, Update, IOO, MC alignment not so good after PSL output shutter installed
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Tue Nov 5 00:39:43 2013, manasa, Update, IOO, IFO alignment tuning
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Tue Nov 5 08:44:21 2013, Steve, Update, IOO, after last steering mirror mount swap 
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Tue Nov 5 17:12:34 2013, Steve, Update, LSC, centered qpds
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Wed Nov 6 08:33:53 2013, Steve, Update, IOO, Poiting changes of PSL 
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Thu Nov 7 08:57:20 2013, Steve, Update, IOO, PSL pointing monitoring 
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Mon Nov 11 22:35:45 2013, RANA, Update, IOO, PSL pointing monitoring
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Tue Nov 12 23:48:23 2013, RANA, Update, IOO, PSL pointing monitoring
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Thu Nov 21 16:32:20 2013, Steve, Update, IOO, PMC needs a touch of love
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Fri Dec 6 15:57:41 2013, Steve, Update, IOO, beam dumps for PSL pointing monitoring 
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Tue Dec 10 10:07:01 2013, Steve, Update, IOO, more beam traps 
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Message ID: 9370
Entry time: Tue Nov 12 23:48:23 2013
In reply to: 9365
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Author: |
RANA |
Type: |
Update |
Category: |
IOO |
Subject: |
PSL pointing monitoring |
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Since I saw that the trend was good, I aligned the MC refl path to the existing IMC alignment:
- removed a broken IRIS that was clipping the reflected beam (and its mount)
- moved the first 1" diameter steering mirror on the high power path after the 2" diameter R=10% steering mirror. It was not centered.
- Moved the lens just upstream of the LSC RFPD away from the PD by ~5 mm. The beam going towards the WFS was too close to this mount and I could see some glow.
- Centered the beam on all optics in the WFS path and then the WFS DC.
- Centered beam on LSC RFPD.
The reflected spots from the PD are not hitting the dump correctly. WE need to machine a shorter post to lower the dump by ~1 cm to catch the beams. |