Determination of monomode fiber buffer properties

R. D. Morgan; J. D C Jones; J. S. Barton; P. G. Harper

doi:10.1109/50.317521

Determination of monomode fiber buffer properties

R. D. Morgan, J. D C Jones, J. S. Barton, P. G. Harper

School of Engineering & Physical Sciences

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

Observations of oscillations in bending loss as a function of illuminating wavelength in monomode optical fibers are presented. A model is developed based on the interference between the core-guided mode, and a 'whispering gallery' (WG) mode established by reflection at the buffer-air interface. It is shown that the relative phase of the modes is a function of the dimensions and refractive index of the buffer coating. The phase is determined in experiments where the bend radius and wavelength of illumination are varied, allowing the buffer diameter and refractive index to be determined by a best fit to experimental data. The practicality of this method for the characterisation of buffer properties is discussed.

Original language	English
Pages (from-to)	1355-1359
Number of pages	5
Journal	Journal of Lightwave Technology
Volume	12
Issue number	8
DOIs	https://doi.org/10.1109/50.317521
Publication status	Published - Aug 1994

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year = "1994",

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N2 - Observations of oscillations in bending loss as a function of illuminating wavelength in monomode optical fibers are presented. A model is developed based on the interference between the core-guided mode, and a 'whispering gallery' (WG) mode established by reflection at the buffer-air interface. It is shown that the relative phase of the modes is a function of the dimensions and refractive index of the buffer coating. The phase is determined in experiments where the bend radius and wavelength of illumination are varied, allowing the buffer diameter and refractive index to be determined by a best fit to experimental data. The practicality of this method for the characterisation of buffer properties is discussed.

AB - Observations of oscillations in bending loss as a function of illuminating wavelength in monomode optical fibers are presented. A model is developed based on the interference between the core-guided mode, and a 'whispering gallery' (WG) mode established by reflection at the buffer-air interface. It is shown that the relative phase of the modes is a function of the dimensions and refractive index of the buffer coating. The phase is determined in experiments where the bend radius and wavelength of illumination are varied, allowing the buffer diameter and refractive index to be determined by a best fit to experimental data. The practicality of this method for the characterisation of buffer properties is discussed.

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Determination of monomode fiber buffer properties

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