Graded index optical fiber

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350 9630, 350 9633, G02B 514

Patent

active

041769112

ABSTRACT:
A graded index, multimode optical waveguide. The waveguide is characterized by a graded profile region, followed by an abrupt drop in index, then a region of constant index. At predetermined intervals, the fiber is modified to have a conventional graded index profile to suppress unwanted modes propagating along the guide.

REFERENCES:
patent: 3785718 (1974-01-01), Gloge
patent: 3791806 (1974-02-01), Koizumi et al.
patent: 3980391 (1976-09-01), Stewart
Jacomme, Article in Applied Optics, Nov. 1975, pp. 2578-2584.

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