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Entry  Mon Aug 13 15:31:09 2012, steve, Update, General, larger optical tables at the ends ETMYtable.jpgETMY4X3.jpg
    Reply  Mon Aug 13 18:00:30 2012, jamie, Update, General, larger optical tables at the ends 
       Reply  Tue Aug 14 15:58:44 2012, Jenne, Update, General, Translation to English: larger optical tables at the ends 
    Reply  Wed Aug 15 16:01:47 2012, steve, Update, General, larger optical tables at the ends ? bottleneck.jpg
       Reply  Wed Aug 22 11:41:20 2012, steve, Update, General, grout plate for optical table at the ends IMG_1561.JPG08231201.PDF
          Reply  Thu Sep 27 19:03:06 2012, Manasa, Update, 40m Upgrading, New ETMX layout - Version 1.0 ETMX_OldNew.png
             Reply  Thu Sep 27 20:05:57 2012, Koji, Update, 40m Upgrading, New ETMX layout - Version 1.0 
                Reply  Fri Sep 28 07:49:30 2012, Steve, Update, 40m Upgrading, New ETMX layout - Version 1.0 
Message ID: 7163     Entry time: Mon Aug 13 18:00:30 2012     In reply to: 7160     Reply to this: 7179
Author: jamie 
Type: Update 
Category: General 
Subject: larger optical tables at the ends 

Quote:

I'm proposing larger optical tables at the ends to avoid the existing overcrowding. This would allow the initial pointing and optical level beams to set up correctly.

The existing table is 4 x 2 would be replaced by 4' x 3'   We would lose only ~3" space  toward exist door.

I'm working on the new ACRYLIC TABLE COVER for each end that will cost around $4k ea.  The new cover should fit the larger table.

Let me know what you think.

I'm not sure I see the motivation.  The tables are a little tight, but not that much.  If the issue is the incidence angle of the IP and OPLEV beams, then can't we solve that just by moving the table closer to the viewport?

The overcrowding alone doesn't seem bad enough to justify replacing the tables.

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