Spectroscopic investigation of high-cycle fatigue in AgClxBr1-x fibers

Alla German; Abraham Katzir

doi:10.1117/12.271008

18 April 1997 Spectroscopic investigation of high-cycle fatigue in AgCl_xBr_1-x fibers

Alla German, Abraham Katzir

Proceedings Volume 2977, Specialty Fiber Optics for Biomedical and Industrial Applications; (1997) https://doi.org/10.1117/12.271008
Event: BiOS '97, Part of Photonics West, 1997, San Jose, CA, United States

Abstract

The spectral transmittance of mixed silver-halide polycrystalline fibers was measured while they were undergoing repeated bending leading to mechanical fatigue. Microscopic mechanical defects were detected through their influence on the optical losses, without interfering with the deformation. Optical and mechanical lifetimes of the fibers were found to depend on the composition and to be larger for highly mixed compositions. Scanning electron microscope observations of fatigued fibers revealed strong influence of the fiber composition on the fatigue damage. This dependence on the composition was explained using a theoretical model of solid-solution strengthening.

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Alla German and Abraham Katzir "Spectroscopic investigation of high-cycle fatigue in AgCl_xBr_1-x fibers", Proc. SPIE 2977, Specialty Fiber Optics for Biomedical and Industrial Applications, (18 April 1997); https://doi.org/10.1117/12.271008

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KEYWORDS

Optical fibers

Transmittance

Crystals

FT-IR spectroscopy

Silicon

Scanning electron microscopy

Signal attenuation

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