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Influence of Coating Parameters on Temperature Sensitivity of FBG
Pages: 29-31
Year: Issue:  5
Journal: Optical Fiber & Electric Cable and Their Applications

Keyword:  GetLinkList(KeywordFilter('光纤布拉格光栅温度灵敏度涂覆层')'kw''CJFD');
Abstract: 分析了涂覆层的物理参数对光纤光栅(FBG)温度灵敏度的影响,数值分析结果表明,大涂覆厚度、高弹性模量、高泊松比、高线膨胀系数有助于提高FBG的温度灵敏度。FBG温度灵敏度的饱和值主要取决于涂覆层的弹性模量和泊松比,因此不能单纯依靠选取大弹性模量或泊松比的涂覆来提高温度灵敏度,还须综合考虑弹性模量和泊松比对温度灵敏度的影响,以确定两参数的最佳值。
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