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Entry  Thu Aug 30 12:01:27 2012, janosch, Manasa,Steve, Update, , ETMX 
    Reply  Thu Aug 30 13:10:41 2012, jamie, Update, Cameras, ETMX etmx-face-baffle.png
Message ID: 7318     Entry time: Thu Aug 30 13:10:41 2012     In reply to: 7317
Author: jamie 
Type: Update 
Category: Cameras 
Subject: ETMX 

Quote:

We have done some work at ETMX today. We installed the baffle and placed two mirrors on the table.

The baffle position/orientation still needs to be checked more thoroughly to make sure that the beam will pass through the center of the baffle hole.

I must say that I am not at all happy with the baffle situation.  It is currently completely blocking our camera view of the ETMX face.  Here's a video capture of the ETMX face camera:

etmx-face-baffle.png

The circle is the baffle hole, through which we can see just the bottom edge of the test mass.  I don't think whatever benefit the baffle gives out weights the benefit of being able to see the spot on the mirror.

This afternoon we will try to adjust the baffle, and maybe the camera view mirror, to see if we can get a better shot of the center of the TM.  If we can see the beam spot through the hole we can probably live with it.  If not, I think we should remove the baffle.

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