Limited mode optical fiber

Details Limited mode optical fiber Limited mode optical fiber

1978-10-04

1980-06-03

Levy, Stewart J.

G02B 514

Patent

active

042059011

ABSTRACT:
A single mode optical fiber having a central core region of uniform composition and thickness and core end regions each having a core with a graded composition and increasing thickness towards the ends of the fiber. The fiber maintains a constant normalized frequency with a minimum bending loss. Methods are also provided for forming the fibers from a fiber optic preform.

REFERENCES:
patent: 3877783 (1975-04-01), Matsumura et al.
patent: 3891302 (1975-06-01), Dabby et al.
patent: 3909110 (1975-09-01), Marcuse
patent: 4053204 (1977-10-01), Miller

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