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Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
March 8, 2011
Patent Application Number
12612348
Date Filed
November 4, 2009
Patent Primary Examiner
Patent abstract
Optical waveguide fiber that is bend resistant and single mode at 1260 nm and at higher wavelengths. The optical fiber includes a core of radius R1 and cladding, the cladding having an annular inner region of radius R2, an annular ring region, and an annular outer region. The annular ring region starts at R2, and the ratio R1/R2 is greater than 0.40.
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