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40m Log |
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Fri Jun 10 16:19:03 2016, ericq, Update, SUS, ETMX watch
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Mon Jun 13 10:01:58 2016, Steve, Update, SUS, ETMX jumps 
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Tue Jun 14 15:55:17 2016, ericq, Update, SUS, ETMX watch
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Tue Jun 14 16:53:16 2016, rana, Update, SUS, ETMX watch
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Thu Jun 16 11:10:17 2016, Steve, Update, SUS, spare ETMX optics preparation to be hanged    
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Tue Jun 28 09:14:27 2016, Steve, Update, SUS, ETMX optics preparation to be rehanged
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Wed Jun 29 08:20:04 2016, Steve, Update, SUS, First Contact shelf life
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Wed Jun 29 14:32:22 2016, Steve, Update, SUS, how to remove epoxy from optics
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Wed Jun 29 16:02:29 2016, Steve, Update, SUS, ETMX beam baffle
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Thu Jun 30 10:03:16 2016, Steve, Update, SUS, how to remove epoxy from optics 
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Thu Jun 30 14:31:02 2016, Chemistry, Update, SUS, NO
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Tue Jul 5 09:25:31 2016, Steve, Update, SUS, how to remove epoxy from optics 
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Thu Jul 7 09:13:54 2016, Steve, Update, SUS, SOS gluing fixture    
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Message ID: 12229
Entry time: Wed Jun 29 16:02:29 2016
In reply to: 12227
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Author: |
Steve |
Type: |
Update |
Category: |
SUS |
Subject: |
ETMX beam baffle |
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In the attached photo from 2012, one can see the installed black glass baffle. According to the drawings (LIGO-DNNNXXX) this one has a clear aperture of 40 mm.
In (someplace ?) we have clean baffles with a 50 mm aperture which can be installed during this vent. In order to be more conservative, let us choose to swap these out for all 4 test masses during the upcoming vent using the green laser as an alignment guide, as Koji described at today's lunch meeting.
They are located at the top of E1 drawer cabinet |
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