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Message ID: 4678     Entry time: Tue May 10 11:14:44 2011
Author: steve 
Type: Update 
Category: PSL 
Subject: PSL-QPD_ANG qpd optimized 

Valera and I placed F 572.7 mm lens ~15 cm away  from the ang  qpd (in the same mount with ND filter) so that two qpds see different combination of ang and pos motion - there was no lenses prior to this change. The beam diameter is reduced to ~half .

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