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40m Log |
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Wed Apr 13 00:56:07 2016, gautam, Update, endtable upgrade, X endtable repopulation
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Wed Apr 13 11:00:28 2016, Steve, Update, endtable upgrade, X endtable repopulation
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Wed Apr 13 18:25:07 2016, gautam, Update, endtable upgrade, Lightwave health check
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Fri Apr 15 18:38:12 2016, gautam, Update, endtable upgrade, Lightwave health check - NO IMPROVEMENT
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Tue Apr 19 18:37:29 2016, gautam, Update, endtable upgrade, Laser swap + optical layout
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Thu Apr 21 14:25:52 2016, gautam, Update, endtable upgrade, Green light recovered  
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Tue Apr 26 15:22:35 2016, Steve, Update, endtable upgrade, Cleaning ETMX vacuum dirty window 
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Tue Apr 26 23:19:42 2016, gautam, Update, endtable upgrade, Green aligned to arm - high order mode flashes seen 
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Thu Apr 28 00:41:08 2016, gautam, Update, endtable upgrade, more progress - Transmon PD installed
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Fri Apr 29 00:55:46 2016, gautam, Update, endtable upgrade, green PDH locked to Xarm
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Mon May 2 19:14:18 2016, gautam, Update, endtable upgrade, Optical layout almost complete
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Thu May 5 03:05:37 2016, gautam, Update, endtable upgrade, ALS status update  
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Thu May 5 04:05:03 2016, ericq, Update, LSC, Aux X PDH checks 
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Thu May 5 14:03:52 2016, ericq, Update, LSC, Further Aux X PDH tweaks
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Thu May 5 14:05:01 2016, rana, Update, endtable upgrade, ALS status update
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Thu May 5 21:28:44 2016, gautam, Update, endtable upgrade, Innolight PZT capacitance
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Thu May 19 16:29:20 2016, Steve, Update, endtable upgrade, Optical layout almost complete 
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Fri Sep 30 19:53:07 2016, gautam, Update, endtable upgrade, X end IR pickoff fiber coupled
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Wed Oct 5 16:28:10 2016, gautam, Update, endtable upgrade, EX laser power monitor PD installed
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Wed Apr 27 15:04:47 2016, Steve, Update, endtable upgrade, Cleaning ETMX vacuum dirty window
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Fri Apr 29 16:05:23 2016, gautam, Update, endtable upgrade, Cleaning ETMX vacuum dirty window
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Message ID: 12079
Entry time: Fri Apr 15 18:38:12 2016
In reply to: 12075
Reply to this: 12083
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Author: |
gautam |
Type: |
Update |
Category: |
endtable upgrade |
Subject: |
Lightwave health check - NO IMPROVEMENT |
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I re-measured the power levels today.
We have ~205mW out of the NPRO, and ~190mW after the Faraday. It doesn't look like the situation is going to improve dramatically. I'm going to work on a revised layout with the Innolight as soon as I've profiled the beam from it, and hopefully, by Monday, we can decide that we are going ahead with using the Innolight. |