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Proceedings Paper

Buckling conditions for a dual-coated optical fiber
Author(s): Ephraim Suhir
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Paper Abstract

The elastic stability (buckling) condition for a short dual-coated optical-fiber experiencing mechanical and/or thermally induced compression is established based on the developed analytical (mathematical) predictive model. The problem is reduced to a situation when a cantilever beam of finite length is supported by a continuous elastic foundation and is subjected to a compressive force applied to the beam’s free end. Easy-to-use practical guidelines and a simple diagram are suggested for choosing the adequate length of the fiber and/or its flexural rigidity and/or the characteristics of the coating materials, so that the fiber remains elastically stable. The developed model can be used also in the design and reliability evaluations of composites, including nano-composites, and in flexible (large area) photonics when high-modulus and lowexpansion fibers are embedded into a high-modulus-and-low-expansion matrix and experience axial compression at low temperature conditions.

Paper Details

Date Published: 11 March 2013
PDF: 19 pages
Proc. SPIE 8621, Optical Components and Materials X, 86210Z (11 March 2013); doi: 10.1117/12.979767
Show Author Affiliations
Ephraim Suhir, Bell Labs. (United States), Univ. of California, Santa Cruz (United States)
Technische Univ. Wien (Austria)
ERS Co. (United States)

Published in SPIE Proceedings Vol. 8621:
Optical Components and Materials X
Michel J. F. Digonnet; Shibin Jiang; J. Christopher Dries, Editor(s)

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