Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
August 10, 2010
Patent Application Number
11902007
Date Filed
September 18, 2007
Patent Primary Examiner
Patent abstract
An apparatus adapted for easily performing polarization switching is disclosed. Within a second waveguide connected to a first waveguide, there is embedded a polarization transformation circuit in the state rotated relative to the second waveguide at an angle set, based on a reflection characteristic indicating a characteristic of a reflection coefficient with respect to a polarization frequency.
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