Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 4, 2007
Patent Application Number
11089434
Date Filed
March 24, 2005
Patent Primary Examiner
Patent abstract
A wavelength separator includes a one-dimensional photonic crystal structure formed by providing a plurality of grooves in parallel with one another at uniform intervals in a homogeneous medium, and has an incident end face formed obliquely with respect to a direction in which the grooves extend, and an output end face formed approximately perpendicular to the incident end face.
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