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40m Log |
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Fri Aug 31 10:16:02 2012, janosch, Steve, Update, , ETMX, scattering preps 
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Fri Sep 7 09:37:20 2012, Steve, Update, Cameras, baffle plate for SOS  
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Wed Sep 12 17:02:00 2012, Steve, Update, Cameras, baffle plate hole getting larger 
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Thu Nov 21 09:56:15 2013, Steve, Update, SUS, green glass beam dumps  
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Thu Nov 21 10:24:50 2013, Koji, Update, SUS, beam dumps
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Message ID: 7358
Entry time: Fri Sep 7 09:37:20 2012
In reply to: 7326
Reply to this: 7375
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Author: |
Steve |
Type: |
Update |
Category: |
Cameras |
Subject: |
baffle plate for SOS |
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Quote: |
The alignment of the pick-off mirror near ETMX is done. Everything turned out to be easy once we realized that there is no sense getting the alignment laser (going through viewport to pick-off to ITMX) back to ETMX. It is only necessary to hit ITMX somehow, since this makes sure that there is one scattered beam that will make it from ITMX to pick-off through viewport.
After the auxiliary optic (that we never used in the end) was removed again, we levelled the optical table.
So in the current setup, we can have small-angle scattering measurements on ITMX and large-angle scattering measurements on ETMX.
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This is how it was envisioned. The video camera was in nobodies mind to look through the 40 mm diameter hole than. |
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