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Message ID: 1050     Entry time: Tue Sep 18 02:35:56 2012
Author: tara 
Type: DailyProgress 
Category: RefCav 
Subject: optical contact practicing 

I got the mirror blanks for optical contact practicing. I tried to contact them together, but I have not succeeded yet.

 The mirrors are not transparent on the back, but we can still see the fringe due to the gap between the two surfaces clearly with just room light, see the picture below. I might not clean it well enough. I'll try to do it again later.

IMG_1764.jpg

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