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Stable phase-modulated fiber-optic sensors for senior electrical engineering laboratory curricula

机译:用于高级电气工程实验室课程的稳定的调相光纤传感器

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摘要

A set of fiber-optic sensing experiments that can be performed by senior undergraduates in a fiber optics laboratory is presented. The experiments are based on two stable phase-modulated sensors: a miniaturized Michelson-type fiber-optic interferometer that is relatively insensitive to temperature drifts; and a two-mode fiber used in a differential interferometric sensing scheme. Methods of construction are described, and several possible experiments are presented. These experiments introduce or strengthen the ideas of interference, elliptical-core fibers, and electromagnetic field propagation in fibers.
机译:提出了一组光纤传感实验,可以由高级本科生在光纤实验室中进行。实验基于两个稳定的相位调制传感器:一个对温度漂移相对不敏感的小型迈克尔逊型光纤干涉仪;以及在差分干涉传感方案中使用的双模光纤。描述了构造方法,并提出了几种可能的实验。这些实验引入或增强了干涉,椭圆形芯纤维和电磁场在纤维中传播的思想。

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