Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
H. Yang Pang0
Norman Hodgson0
Date of Patent
February 5, 2008
0Patent Application Number
118032280
Date Filed
May 14, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A method for attenuating an unpolarized laser beam includes separating the laser beam into two plane-polarized beams. The plane-polarized beams are polarization rotated. Each of the polarization-rotated beams is separated into two plane-polarized portions. One of the portions of one polarization-rotated beam is combined with one of the portions of the other polarization-rotated beam to provide an attenuated output-beam.
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