Optical waveguides – Optical fiber waveguide with cladding
Reexamination Certificate
2007-09-18
2007-09-18
Font, Frank G. (Department: 2883)
Optical waveguides
Optical fiber waveguide with cladding
C385S124000, C398S081000, C398S147000
Reexamination Certificate
active
11018696
ABSTRACT:
The invention relates to the field of dispersion managed optical fibres for use in wavelength division multiplex transmission networks. A multimode optical fibre in which at least one higher-order mode can be propagated, is constituted radially by a single central core surrounded by an optical cladding (13), and comprises, for said higher mode or for at least one of said higher-order modes, positive chromatic dispersion optical fibre portions (D+) alternating longitudinally with negative chromatic dispersion optical fibre portions (D−).
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Bongrand Isabelle
De Barros Carlos
Provost Lionel
Draka Comteq B.V.
Font Frank G.
Hughes James P.
Sughrue Mion Pllc.
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