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Entry  Thu Feb 7 12:56:18 2013, Jamie, Summary, General, PRC/arm mode matching calculations 8x
    Reply  Thu Feb 7 17:10:11 2013, Koji, Summary, General, PRC/arm mode matching calculations 
       Reply  Fri Feb 8 00:23:33 2013, rana, Summary, General, PRC/arm mode matching calculations 
          Reply  Fri Feb 8 11:07:07 2013, Jamie, Summary, General, PRC/arm mode matching calculations 
             Reply  Fri Feb 8 12:42:45 2013, nicolas, Summary, General, PRC/arm mode matching calculations 
Message ID: 8035     Entry time: Fri Feb 8 12:42:45 2013     In reply to: 8033
Author: nicolas 
Type: Summary 
Category: General 
Subject: PRC/arm mode matching calculations 

Quote:

  The main issue is that flipping PR3 induces considerable astigmatism.

Yes, at 45degrees PR3 will only have a curvature of about 850m for the vertical mode of the beam, apparently not enough to stabilize the cavity.

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