Optical fiber with enhanced mode coupling

Details Optical fiber with enhanced mode coupling Optical fiber with enhanced mode coupling

1981-08-10

1983-02-08

Lee, John D.

G02B 5172

Patent

active

043726453

ABSTRACT:
Optical fibers having enhanced mode coupling produced by an asymmetric refractive index profile that varies periodically along the length of the fiber are described. The prescribed variations are obtained by means of a fabrication process that includes periodically varying the source of at least one of the fiber materials in a direction transverse to the fiber-drawing direction. This transverse periodicity is translated into the desired longitudinal periodicity along the fiber by the fiber-drawing process.

REFERENCES:
patent: 3687514 (1972-08-01), Miller et al.
patent: 3909110 (1975-09-01), Marcuse
patent: 3912478 (1975-10-01), Presby
patent: 3976356 (1976-08-01), Jenkins
patent: 4038062 (1977-07-01), Presby
patent: 4049413 (1977-09-01), French
Proc. IEEE, vol. 61-Dec. 1978-"Research Toward Optical Fiber Transmission Systems Part I; The Transmission Medium"-pp. 4 and 19.

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