Optical fiber with graded index core and pure silica cladding

Details Optical fiber with graded index core and pure silica cladding Optical fiber with graded index core and pure silica cladding

1977-04-04

1978-08-15

Corbin, John K.

350 9634, G02B 514

Patent

active

041068505

ABSTRACT:
An optical fiber having three dopants in the core of the fiber and a pure silicon dioxide cladding is disclosed. Phosphorus pentoxide and germanium dioxide are radially graded in the core of an optical fiber to obtain minimum modal dispersion over a broad range of wavelengths. A uniform concentration of boron oxide is present throughout the core of the fiber in order to permit a pure silicon dioxide cladding without encountering any step discontinuity in the index of refraction at the core-cladding interface.

REFERENCES:
patent: 4011006 (1977-03-01), Fleming, Jr.
patent: 4025156 (1977-05-01), Gloge et al.
patent: 4033667 (1977-07-01), Fleming, Jr.
I. P. Kaminow and H. M. Presby "Ternary Fiber Glass Composition . . .", Optical Fiber Transmission II Conference, Feb. 22-24, 1977, Williamsburg, Virginia.

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