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Proceedings Paper

Improved theoretical estimation of mechanical reliability of optical fibers
Author(s): Masao Tachikura; Yoshinori Kurosawa; Yoshikazu Namekawa
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Paper Abstract

We propose an enhanced theory that can be commonly applied to fiber reliability evaluations under various stress and failure probability levels, under prolonged stress and in stressed fiber distribution conditions. In the theory, the inert strength distribution of fibers is composed of two types of Weibull distributions with different slope parameters. We included proof-test conditions that adhere to Mitsunaga's theory in the calculations. New parameters that express the high-strength distribution can be obtained from the tensile strength data using a theoretical equation. We analyzed the static fatigue characteristics under uniform bending and two-point bending using this theory. The experimental results agreed well with the calculated results for bent fibers. We believe that the theory will play a vital role in the design of optical fiber cords for sharp-bending uses and in the minimization of various optical packages.

Paper Details

Date Published: 10 January 2005
PDF: 8 pages
Proc. SPIE 5623, Passive Components and Fiber-based Devices, (10 January 2005); doi: 10.1117/12.577302
Show Author Affiliations
Masao Tachikura, Hitachi Cable, Ltd. (Japan)
Yoshinori Kurosawa, Hitachi Cable, Ltd. (Japan)
Yoshikazu Namekawa, Hitachi Cable, Ltd. (Japan)


Published in SPIE Proceedings Vol. 5623:
Passive Components and Fiber-based Devices
Yan Sun; Shuisheng Jian; Sang Bae Lee; Katsunari Okamoto, Editor(s)

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