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The Temperature Effect on U and Coil Shaped POF Sensors to Detect Refractive Index Change
Fiber and Integrated Optics ( IF 2.3 ) Pub Date : 2021-03-28 , DOI: 10.1080/01468030.2021.1904059
Timuçin Emre Tabaru 1
Affiliation  

ABSTRACT

The effect of the temperature on refractive index (RI) sensors based on U and Coil-shaped plastic optical fiber (POF) was investigated. For this purpose, four POF-RI sensor probes were produced, and RI changes caused by ethanol changes in solutions were detected. Two of the produced probes were U-shaped, while the other two were Coil-shaped. For the first time in the literature, the effect of both the geometry of the U and Coil-shaped POF-RI sensors on the sensor parameters and the effect of the medium temperature have been analyzed together. As a result of the experiments conducted at 25°C, the best RI change detection sensitivity, linearity, and resolution values were determined as 821%/RIU, 0.9974 (R2), 5.18 × 10−4. In addition, temperature dependence loss (TDL) and temperature dependence RI deviation (TDR) were measured at different temperatures (25–40°C) in the 1.3346–1.45 RI range, and the effect of temperature change on POF-RI sensor probes was characterized.



中文翻译:

温度对U型和线圈形POF传感器检测折射率变化的影响

摘要

研究了温度对基于U和线圈形塑料光纤(POF)的折射率(RI)传感器的影响。为此,生产了四个POF-RI传感器探针,并检测了溶液中乙醇变化引起的RI变化。所生产的探头中有两个是U形的,另外两个是线圈形的。在文献中第一次同时分析了U型和线圈形POF-RI传感器的几何形状对传感器参数的影响以及介质温度的影响。在25°C下进行实验的结果是,确定的最佳RI变化检测灵敏度,线性和分辨率值分别为821%/ RIU,0.9974(R 2),5.18×10 -4。此外,在1.3346–1.45 RI范围内的不同温度(25–40°C)下测量了温度依赖性损失(TDL)和温度依赖性RI偏差(TDR),温度变化对POF-RI传感器探头的影响为表征。

更新日期:2021-05-24
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