Optical fiber for wavelength division multiplex transmission...

Optical waveguides – Optical fiber waveguide with cladding – With graded index core or cladding

Reexamination Certificate

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C385S123000, C385S125000, C385S126000

Reexamination Certificate

active

06895153

ABSTRACT:
An optical fiber has three or four core slices including one or more buried slices and a raised central slice. The buried slice or each of the buried slices is very deeply buried. The fiber has a zero dispersion wavelength of less than 1 460 nm. It has a chromatic dispersion in the vicinity of 5 ps
m.km and a dispersion slope in the vicinity of 0.03 ps
m2.km at a wavelength of 1 550 nm.

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Liu Y et al: “Design and Fabrication of Locally Dispersion-Flattened Large Effective Area Fibers” Proceedings of the European Conference on Optical COmmunication, XX, XX, vol. 1, Spetember 20, 1998, pp. 37-38, XP000879650.*
Liu Y et al: “Design and Fabrication of Locally Dispersion-Flattened Large Effective Area Fibers” Proceedings of the European Conference on Optical Communication, XX, XX, vol. 1, Sep. 20, 1998, pp. 37-38, XP000879650.

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