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Entry  Tue Sep 24 20:28:47 2013, Evan, DailyProgress, RefCav, CCD camera for monitoring refl beam south_refcav_unlocked.jpgsouth_refcav_locked.jpg
    Reply  Wed Sep 25 10:15:49 2013, rana, DailyProgress, RefCav, CCD camera for monitoring refl beam 
       Reply  Wed Sep 25 12:23:25 2013, Evan, DailyProgress, RefCav, CCD camera for monitoring refl beam south_unlocked_watec.jpgsouth_locked_watec.jpg
Message ID: 1354     Entry time: Wed Sep 25 10:15:49 2013     In reply to: 1353     Reply to this: 1355
Author: rana 
Type: DailyProgress 
Category: RefCav 
Subject: CCD camera for monitoring refl beam 

 

 No (as I already told Tara).

The PD reflection is distorted and must be dumped in razor dump or black glass.

The mirror leakthrough can be detected easily by a CCD. CCD can easily see uW beams, but you have to use something beyond the $10 ones that Frank bought.

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