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|標題:||Effect of temperature cycling on the static fatigue of double-coated optical fibers||作者:||Shiue, S.T.
|關鍵字:||induced microbending losses;polymeric coatings;induced delamination;glass-fibers;design;dependence;strength||Project:||Journal of Applied Physics||期刊/報告no：:||Journal of Applied Physics, Volume 96, Issue 5, Page(s) 2494-2500.||摘要:||
This study theoretically investigates the effect of temperature cycling on the static fatigue of double-coated optical fibers. The tensile force and temperature cycling induced tensile stresses on the glass fiber of double-coated optical fibers are determined using the viscoelastic theory. Optical fibers lifetime is dominated by the tensile stress on the glass fibers, which is a function of the material properties and thickness of the polymeric coating. To minimize these stresses on the glass fiber, the radius, Young's modulus, and thermal expansion coefficient of the secondary coating should be reduced, while the relaxation time of the secondary coating should be increased. Additionally, based on strength consideration, the radius and Young's modulus of the polymeric coating should be sufficiently thick or hard to support the external mechanical stresses. Meanwhile, based on the microbending-insensitivity consideration, the relaxation time of the primary coating should be reduced. (C) 2004 American Institute of Physics.
|Appears in Collections:||材料科學與工程學系|
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