基于芯包层传播模式干扰的全光纤传输液位传感器

2015 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC) Pub Date : 2015-11-01 DOI:10.1109/IMOC.2015.7369159

H. C. Ximenes, R. L. Silva, C. E. Castellani, M. Segatto, M. Pontes

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引用次数: 3

摘要

本文提出了一种基于包层和芯模在缩芯光纤中传播的干涉的全光纤液位传感器。包层模式是简单地通过使用具有不同芯的光纤的组合产生的，这些光纤融合了一个小的错位。然后将传感光纤暴露在外部介质中，通过分析传输信号来进行电平测量，不需要任何特殊配置来产生和收集反射信号。这种简单，稳定和紧凑的系统能够测量高达90毫米的水位，灵敏度为5.61 pm/mm，无需使用光纤光栅或光纤循环器。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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All-fibre transmission liquid level sensor based on core-cladding propagation modes interference

This paper presents an all-fibre liquid level sensor based on the interference between cladding and core modes propagating in a fibre with reduced core. The cladding modes are generated simply by using a combination of fibres with different cores fusion-spliced with a small misalignment. The sensing fibre is then exposed to the external medium and the level measurement is made by analysing only the transmitted signal, with no need for any special configuration to generate and collect a reflected signal. This simple, stable and compact system is capable of measuring up to 90 mm of water level with a sensitivity of 5.61 pm/mm with no need for using fibre gratings or fibre circulators.

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2015 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC)

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