An approach towards measuring distributed strain in fibres

机译：一种测量纤维中分布应变的方法

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While measurements of distributed strain are now possible using multiplexed fibre Bragg gratings, systems which use single fibres are proving to be a much more elusive prospect. One approach to this goal, based on frequency modulated continuous wave technology and the optical Kerr effect, is currently being investigated. The methodology requires remote coupling between HE_(11)~x and HE)(11)~y eigenmodes in a bowtie fibre which arises due to changes in the refractive index of the material. Some difficulties have arisen in this development, although some progress has also been made towards the final goal of measuring distributed strain with single fibres.

机译：虽然现在可以使用多路光纤布拉格光栅来测量分布应变，但事实证明，使用单根光纤的系统前景更加渺茫。目前正在研究一种基于调频连续波技术和光学克尔效应的方法。该方法要求领结光纤中的HE_（11）〜x和HE）（11）〜y本征模之间存在远程耦合，这是由于材料折射率的变化而引起的。尽管在朝着用单根纤维测量分布应变的最终目标方面也取得了一些进展，但在这一发展中出现了一些困难。

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《Conference on Sensors and Their Applications; 20030902-20030904; Limerick; IE》|2003年|P.195-200|共6页
会议地点 Limerick(IE)
作者
A Hresha; M Campbell; S Canning; A S Holmes-Smith;
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School of Engineering, Science and Design, Glasgow Caledonian University, Glasgow, UK;

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正文语种 eng
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An approach towards measuring distributed strain in fibres

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