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首页> 外文期刊>Microwave and optical technology letters >A fiber optic sensor based on Mach-Zehnder interferometer structure for food composition detection
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A fiber optic sensor based on Mach-Zehnder interferometer structure for food composition detection

机译：一种基于Mach-Zehnder干涉仪结构的光纤传感器，用于食品组成检测

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摘要

In this article, fiber optic sensor (FOS) has been employed for food composition detection by using a Mach-Zehnder Interferometer (MZI) structure. The Single Mode-Multimode-Single Mode configuration with varied length of the sensing region with 4 cm and 8 cm were designed and analyzed. The FOS has been developed by using a fusion arc splicing technique. The sensor device has been tested with the major components of food compositions such as water, 1.0 mol sucrose solution and oil with the refractive index (RI) of 1.333, 1.384, and 1.464, respectively. The sensor device experienced a wavelength redshift as the RI increases. Meanwhile, it is also observed that the sensitivity of FOS is linearly proportional to the length of the sensor region. The best sensitivity achieved is 4.413 nm/RIU for 8 cm length of sensor region. The findings of this article can serve as a reference for improved sensitivity by manipulating the sensor's length.
机译：在本文中，通过使用Mach-Zehnder干涉仪（MZI）结构，已经采用光纤传感器（FOS）用于食品组合物检测。 设计并分析了具有4厘米和8cm的传感区域变化的单模 - 多模 - 单模配置，并分析。 通过使用融合电弧剪接技术开发了FOS。 传感器装置已经用诸如水，1.0mol蔗糖溶液和油的折射率（Ri）的食物组合物的主要成分进行了测试，分别为1.333,1.384和1.464。 随着RI的增加，传感器装置经历了波长红移。 同时，还观察到，FOS的灵敏度与传感器区域的长度线性成比例。 实现的最佳灵敏度为8厘米的传感器区域的4.413 nm / RiU。 本文的发现可以作为通过操纵传感器的长度来改善灵敏度的参考。

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