Interferometric effects in bend loss in buffered single- and overmoded optical fibers

Frank M. Haran; James S. Barton; Julian D. C. Jones

doi:10.1117/12.195541

30 November 1994 Interferometric effects in bend loss in buffered single- and overmoded optical fibers

Frank M. Haran, James S. Barton, Julian D. C. Jones

Proceedings Volume 2341, Interferometry '94: Interferometric Fiber Sensing; (1994) https://doi.org/10.1117/12.195541
Event: International Conference on Interferometry '94, 1994, Warsaw, Poland

Abstract

A theoretical model has been developed to describe the bend loss characteristic of buffered single-mode optical fiber, based on interference between the core-guided mode and a 'whispering gallery' mode guided in the buffer coating. The theory is supported by experiments in which the relative phase of the modes was modulated by temperature or wavelength. As the arc length of the bend is increased, multiple-order interference is observed and predicted. The model was extended to over-moded fibers, and was consistent with experiments demonstrating coupling between the LP₁₁ and a whispering gallery mode.

Citation Download Citation

Frank M. Haran, James S. Barton, and Julian D. C. Jones "Interferometric effects in bend loss in buffered single- and overmoded optical fibers", Proc. SPIE 2341, Interferometry '94: Interferometric Fiber Sensing, (30 November 1994); https://doi.org/10.1117/12.195541

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