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Optica Publishing Group
  • Conference on Optical Fiber Communication/International Conference on Integrated Optics and Optical Fiber Communication
  • 1993 OSA Technical Digest Series (Optica Publishing Group, 1993),
  • paper WA2
  • https://doi.org/10.1364/OFC.1993.WA2

Optical performance of low-loss aluminum- coated fibers exposed to hydrogen and temperature cycling

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Abstract

Application of aluminum for fiber coating permits the achievement of record strength values of 10-14 GPa and reduction of static fatigue (n ~ 100).1,2 Such fibers can be used within a wide range of temperatures. However, many applications of aluminum-coated fibers are restrained by comparatively high microbending losses of ~20–100 dB/km, which are due to the difference between the linear expansion coefficients of silica glass and aluminum.3 In this paper the possibility of significant reduction in microbending losses in aluminum-coated fibers is shown, and the results of the accelerated tests of fiber-optical losses in a hydrogen atmosphere are presented.

© 1993 Optical Society of America

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