40m QIL Cryo_Lab CTN SUS_Lab TCS_Lab OMC_Lab CRIME_Lab FEA ENG_Labs OptContFac Mariner WBEEShop
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Entry  Mon Jan 6 18:32:17 2014, RANA, Update, IOO, MC1/3 kicked this morning at 8:30 kicked.png
    Reply  Mon Jan 6 20:52:09 2014, Jenne, Update, IOO, MC1/3 kicked this morning at 8:30 
    Reply  Tue Jan 7 10:44:13 2014, Steve, Update, IOO, MC drift 2dTrend.pngdriftNotKick.png
       Reply  Tue Jan 7 11:11:36 2014, rana, Update, IOO, MC drift 
    Reply  Tue Jan 7 16:41:08 2014, manasa, Update, IOO, WFS moving MC suspensions 2dayMCtrend.pngWFSvsMCsuspensions.png
       Reply  Tue Jan 7 17:16:04 2014, manasa, Update, IOO, MC aligned MCspots.png
          Reply  Tue Jan 7 20:57:41 2014, Jenne, Update, IOO, MC aligned 
             Reply  Tue Jan 7 23:09:10 2014, manasa, Update, IOO, MC aligned WFSdrift.png
Message ID: 9532     Entry time: Tue Jan 7 23:09:10 2014     In reply to: 9528
Author: manasa 
Type: Update 
Category: IOO 
Subject: MC aligned 

Quote:

[Rana, Jenne]

We turned off the WFS servos, and looked at the MC REFL DC, and saw that it was still good, so we said that since the MC spots are pretty good, that we'll keep this alignment for now. 

Rana put the beam back on the center of the IOO QPDs on the PSL table.

We switched a steering mirror in the WFS path that was the wrong handed-ness to be the correct handed-ness, then put the beam on the centers of the WFS.  We turned on the WFS, and everything seems good. 

There were no major drifts in the WFS error signals while we were gone for dinner, so the MC seems okay for now.

 The last 4 hour trend for WFS error signals show some amount of drift. We should still look at the long term trend to solve the issue.

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