Optical fiber comprising a refractive index trench

Details Optical fiber comprising a refractive index trench Optical fiber comprising a refractive index trench

1987-04-02

1989-08-01

Gonzalez, Frank

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

250227, G02B 622

Patent

active

048529680

ABSTRACT:
A single mode optical fiber is disclosed. The refractive index profile of the fiber comprises a depressed-index or trench region in the cladding region. By suitable adjustment of the position, width and index of the trench region, one or more fiber characteristics can be improved, relative to a similar fiber that does not comprise an index trench.

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The Bell System Technical Journal, vol. 62, No. 9, 11/83, pp. 2663-2694, T. A. Lenahan, "Calculation of Modes in an Optical Fiber Using the Finite Element Method and EISPACK".

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