Dispersion compensating optical fiber

Details Dispersion compensating optical fiber Dispersion compensating optical fiber

1998-04-13

1999-11-30

Ullah, Akm E.

Optical waveguides

Optical fiber waveguide with cladding

G02B 602

Patent

active

059956950

ABSTRACT:
The present invention is related to an dispersion compensating optical fiber technology, comprising a central core, a middle part with a refractive index lower than this central core, and a cladding with a refractive index higher than said middle part and lower than said central core, characterized in: an outer diameter of said middle part being 2.5.about.3.5 times an outer diameter of said central core; a relative refractive index difference of said cladding to said middle part being -0.08.about.-0.2% with the refractive index of the cladding being zero; and having substantially single-mode transmission in the wavelength 1.55 .mu.m band, the chromatic dispersion being -80 ps
m/km or less, the dispersion slope being +0.08 ps
m.sup.2 /km or less, and the bending loss being 1.0 dB/m or less.

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