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40m Log |
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Wed Nov 12 18:08:35 2014, Jenne, Update, LSC, RIN in transmission a problem?   
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Thu Nov 13 01:00:37 2014, rana, Update, LSC, RIN in transmission a problem?
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Thu Nov 13 04:28:28 2014, Jenne, Update, LSC, RIN in transmission a problem? 
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Thu Nov 13 23:42:01 2014, Jenne, Update, LSC, RIN vs. Seismic
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Fri Nov 14 17:08:17 2014, Jenne, Update, LSC, RIN vs. Seismic
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Fri Nov 14 20:31:13 2014, ericq, Update, LSC, RIN in transmission a problem?
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Message ID: 10707
Entry time: Thu Nov 13 01:00:37 2014
In reply to: 10703
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Author: |
rana |
Type: |
Update |
Category: |
LSC |
Subject: |
RIN in transmission a problem? |
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I modified the MC2 trans optical setup a little bit: the reflection from the QPD was not dumped and so it was hitting the wall of the black box.
I angled the QPD slightly and moved the dump so that the reflection hit it. The leakage through the 50/50 steering mirror for the QPD was already being dumped and I made sure that that one stayed dumped on its razor dump. After doing this we turned off the WFS and re-aligned the MC2 trans beam onto the QPD to zero the pit/yaw signals. |