Single-mode optical, fiber and process for its production

Details Single-mode optical, fiber and process for its production Single-mode optical, fiber and process for its production

1989-04-12

1991-05-07

Healy, Brian

350 9633, 350 9634, 350 9630, 350320, 65 311, G02B 618, C03C 2502

Patent

active

050131311

ABSTRACT:
A single-mode optical fiber is doped to achieve a number of desired properties and have a refractive index profile n(r). The doped fiber must at least approximate the formula: ##EQU1## in which n.sub.o means the refractive index of the matrix material and r.sub.i =i.multidot..DELTA.r. A process for the production of the single-mode optical fiber is disclosed using at least 100 layers.

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Francois et al., "Multimode Nature of Quadruple-Clad Fibers," Electronic Letters, vol. 20, No. 1, 1984, pp. 37-38.

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