Chromatic dispersion compensation optical fiber

Details Chromatic dispersion compensation optical fiber Chromatic dispersion compensation optical fiber

2006-02-28

2006-02-28

Ullah, Akm Enayet (Department: 2874)

Optical waveguides

Optical fiber waveguide with cladding

Utilizing multiple core or cladding

C385S123000, C385S124000

Reexamination Certificate

active

07006743

ABSTRACT:
The invention relates to a multiband chromatic dispersion compensation optical fiber comprising successively, from the center toward the periphery, a central slice whose maximum index is higher than the index of the cladding, a buried slice whose minimum index is lower than the index of the cladding, and an annular slice whose maximum index is higher than the index of the cladding and lower than the maximum index of the central slice, a cladding of constant index, and having, on the one hand, at the wavelength of 1550 nm, firstly a chromatic dispersion of less than −8 ps
m.km, secondly a chromatic dispersion to dispersion slope ratio whose absolute value is greater than 750 nm, and thirdly a mode diameter greater than 5 μm, and on the other hand, at the wavelength of 1625 nm, bending losses for a radius of 10 mm that are less than 400 dB/m.

REFERENCES:
patent: 5999679 (1999-12-01), Antos et al.
patent: 6349163 (2002-02-01), Antos et al.
patent: 6751389 (2004-06-01), Tirloni
patent: 0 984 309 (2000-03-01), None
patent: 1 111 414 (2001-06-01), None
patent: 2002-82251 (2002-03-01), None
patent: WO 02/19576 (2002-03-01), None

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