Graded-index optical fiber

Details Graded-index optical fiber Graded-index optical fiber

2005-03-29

2005-03-29

Healy, Brian M. (Department: 2883)

Optical waveguides

Optical fiber waveguide with cladding

With graded index core or cladding

C385S123000, C385S027000

Reexamination Certificate

active

06873775

ABSTRACT:
An optical fiber having a core that has a graded refractive index profile is disclosed. A clad surrounds the core and traps light within the core. A difference between differential mode delays (DMDs) at wavelengths of about 1300 nm and about 850 nm within the core is increased in a radial direction. The difference between the DMDs at both the wavelengths basically has a value equal to or less than 0.6 ns/km between a position corresponding to 50% of a radius of the core and a center of the core.

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patent: 6542679 (2003-04-01), DiGiovanni et al.
patent: 6574403 (2003-06-01), Golowich et al.
patent: 20030128942 (2003-07-01), DiGiovanni et al.

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