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Proceedings Paper

Interferometric effects in bend loss in buffered single- and overmoded optical fibers
Author(s): Frank M. Haran; James S. Barton; Julian D. C. Jones
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Paper 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.

Paper Details

Date Published: 30 November 1994
PDF: 10 pages
Proc. SPIE 2341, Interferometry '94: Interferometric Fiber Sensing, (30 November 1994); doi: 10.1117/12.195541
Show Author Affiliations
Frank M. Haran, Heriot-Watt Univ. (United Kingdom)
James S. Barton, Heriot-Watt Univ. (United Kingdom)
Julian D. C. Jones, Heriot-Watt Univ. (United Kingdom)

Published in SPIE Proceedings Vol. 2341:
Interferometry '94: Interferometric Fiber Sensing
Eric Udd; Ralph P. Tatam, Editor(s)

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