The influence of temperature to a refractive index sensor based on a macro-bending tapered plastic optical fiber

Teng, Chuanxin; Yu, Fangda; Ning, Jing; Zheng, Jie

doi:10.1016/j.yofte.2016.05.009

Cited by 34 publications

(10 citation statements)

References 20 publications

(22 reference statements)

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“…However, the RI variations of the POF probe, as well as the structure parameters would have influence on the sensor performance when the ambient temperature changes. Therefore, the temperature influence to the POF RI sensor deserves to be investigated [ 29 , 30 , 31 ]. In this work, the analytes are glycerinum solutions with different concentrations prepared at 20 °C.…”

Section: Resultsmentioning

confidence: 99%

Refractive Index Sensor Based on Double Side-Polished U-Shaped Plastic Optical Fiber

Wang

Zhang

et al. 2020

Sensors

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A U-shaped double-side polished plastic optical fiber (POF) is demonstrated as a liquid refractive index (RI) sensor. The refractive index of glycerinum solutions is identified by the intensity detection on the bending and evanescent wave loss change. Heat treatment and mechanical polishing are adopted to form the symmetrical side-polished POF probe. The processing parameters are experimentally optimized on the power transmittance. The sensitivity of 1541%/RIU (Refractive Index Unit) can be obtained with a resolution of 5.35 × 10−4 in the scope of 1.33–1.39. The favorable temperature characteristic is proved to offer stable RI sensing from 20 to 50 °C. This simple POF sensor has potentials in low-cost visible light intensity RI detection.

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Section: Resultsmentioning

confidence: 99%

Refractive Index Sensor Based on Double Side-Polished U-Shaped Plastic Optical Fiber

Wang

Zhang

et al. 2020

Sensors

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“…It is also found that the more the V-groove structure was immerged, the more obvious the temperature effect was, and when all the V-groove structure was immerged by the liquid, the sensitivity to temperature was 0.0007 °C −1 , which was about two orders lower than the one to the liquid level. This is because the influence of temperature on the sensing performance can be divided into two aspects [ 17 ]. One is the thermal optic effect of the testing liquid, which is the higher the liquid level measures, the more significant the effect is.…”

Section: Resultsmentioning

confidence: 99%

Liquid Level Sensor Based on a V-Groove Structure Plastic Optical Fiber

Teng

Liu

Deng

et al. 2018

Sensors

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A high sensitivity and easily fabricated liquid level sensor based on the V-groove structure plastic optical fiber (POF) was described. In the design, the V-groove structure on the POF is produced by using a die-press-print method, which effectively reduces the complexity of the fabrication process and makes it easier for mass production of liquid level sensors. This greatly enhances the usefulness of the proposed sensor in cost effective liquid level sensing applications. The transmission characteristic of the POF could be changed when the V-groove structure was immerged or emerged by the rising or falling liquid. The liquid level sensing performances for the sensor probes with different structural parameters were investigated, and the sensor performances for the liquids with different refractive indices and the sensor dynamic response were also tested. Experimental results show that the sensor’s sensitivity can reach 0.0698 mm−1, with a resolution of 2.5 mm. Results also show that the sensor has a fast response time of 920 ms.

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“…POF sensors are mostly based on commercial POFs and intensity modulation (Zuo et al , 2017; Prodaniuc et al , 2018; Jing, 2019). The sensitivity of POF is affected by temperature (Liu et al , 2019; Jing et al , 2016; Teng et al , 2016; Jianxing Gu Jing, 2019), particle size of polishing paper, the coating materials (Masaru et al , 2005; Xie et al , 2020), bending radius, gold sputtering time (Christopher et al , 2018) and so on. We have also performed research in this field, realizing a U-shaped plastic optical fiber structure sensor and studying its sensitivity under different curvature radii.…”

Section: Introductionmentioning

confidence: 99%

Structure optimization of gold-sputtered side-polished U-shaped plastic optical fiber SPR sensor

Chen

Yang

et al. 2021

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Purpose This study aims to optimize the structure of gold-sputtered U-shaped plastic fiber sensors. Design/methodology/approach A group of U-shaped Au-sputtered plastic optical fiber sensing probes with polishing angles of 45°, 90° and 135° is prepared. Findings The experimental results show that the spectral response and sensitivity of the sensor at 45°polishing angle is twice that of the sensor at 90°. Research limitations/implications Due to the limitations of laboratory temperature and equipment, the overall effect has not reached the ideal, but the expected effect has been obvious. Experiments also optimize the sensor. Practical implications Optical fiber sensing has always been an indispensable part of various fields. Social implications Sensor optimization is of great help to the progress of technology and the development of science and technology. Originality/value The authors have no conflicts of interest to disclose.

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The influence of temperature to a refractive index sensor based on a macro-bending tapered plastic optical fiber

Cited by 34 publications

References 20 publications

Refractive Index Sensor Based on Double Side-Polished U-Shaped Plastic Optical Fiber

Refractive Index Sensor Based on Double Side-Polished U-Shaped Plastic Optical Fiber

Liquid Level Sensor Based on a V-Groove Structure Plastic Optical Fiber

Structure optimization of gold-sputtered side-polished U-shaped plastic optical fiber SPR sensor

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