Plastic Optical Fiber as Water-Level Sensor Serat Optik Plastik sebagai Sensor Level Air
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Published:
Oct 31, 2023
Keywords:
Real-time Liquid Level Measurement, Plastic Optical Fiber Sensor, U-bent Fiber Optic Probe
Main Article Content
Abstract
This research presents a low-cost sensor for measuring liquid levels using plastic optical fibers (POF). The sensor reduces the scattering-based optical losses in the fiber, which increase linearly with the liquid height. A U-bent fiber probe and photodetector are used to detect the change in optical intensity. The U-bent probe serves as a test probe for measuring the liquid level. The voltage response difference of the photodetector provides liquid level measurement. This study demonstrates the sensor's responsiveness to liquid level fluctuations above 55 cm at varying temperatures. Sensitivity levels of 1.4 and 3.3 mV/mm were achieved for water level fluctuations below and above 45 cm, respectively. Furthermore, the sensor demonstrated consistently stable responsiveness over multiple cycles.
Article Details
Section
Electrical Engineering
Copyright (c) 2023 Bakti Dwi Waluyo, Joni Syafrin Rambey, Muhammad Aulia Rahman S
This work is licensed under a Creative Commons Attribution 4.0 International License.
References
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[6] J. E. Antonio-Lopez, J. J. Sanchez-Mondragon, P. Likamwa, and D. A. May-Arrioja, “Fiber-optic sensor for liquid level measurement,” Opt Lett, vol. 36, no. 17, pp. 3425–3427, 2011, doi: https://doi.org/10.1364/OL.36.003425.
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[8] Y. Dong, S. Xiao, H. Xiao, J. Liu, C. Sun, and S. Jian, “An optical liquid-level sensor based on d-shape fiber modal interferometer,” IEEE Photonics Technology Letters, vol. 29, no. 13, pp. 1067–1070, Jul. 2017, doi: https://doi.org/10.1109/LPT.2017.2700623.
[9] W. Lou, D. Chen, C. Shen, Y. Lu, H. Liu, and J. Wei, “An optical liquid level sensor based on core-offset fusion splicing method using polarization-maintaining fiber,” in Journal of Physics: Conference Series, Institute of Physics Publishing, Feb. 2016. doi: https://doi.org/10.1088/1742-6596/680/1/012018.
[10] L. Bilro, N. Alberto, J. L. Pinto, and R. Nogueira, “Optical sensors based on plastic fibers,” Sensors (Switzerland), vol. 12, no. 9. pp. 12184–12207, Sep. 2012. doi: https://doi.org/10.3390/s120912184.
[11] N. Jing, C. Teng, J. Zheng, G. Wang, Y. Chen, and Z. Wang, “A liquid level sensor based on a race-track helical plastic optical fiber,” IEEE Photonics Technology Letters, vol. 29, no. 1, pp. 158–160, Jan. 2017, doi: https://doi.org/10.1109/LPT.2016.2630730.
[12] H. Zhang et al., “Optical fiber liquid level sensor based on macro-bending coupling,” Optical Fiber Technology, vol. 24, pp. 135–139, 2015, doi: https://doi.org/10.1016/j.yofte.2015.05.012.
[13] J. Park, Y. J. Park, and J. D. Shin, “Plastic optical fiber sensor based on in-fiber microholes for level measurement,” Jpn J Appl Phys, vol. 54, no. 2, Feb. 2015, doi: https://doi.org/10.7567/JJAP.54.028002.
[14] P. Antunes, J. Dias, T. Paixão, E. Mesquita, H. Varum, and P. André, “Liquid level gauge based in plastic optical fiber,” Measurement (Lond), vol. 66, pp. 238–243, 2015, doi: https://doi.org/10.1016/j.measurement.2015.01.030.
[15] F. Pérez-Ocón, M. Rubiño, J. M. Abril, P. Casanova, and J. A. Martínez, “Fiber-optic liquid-level continuous gauge,” Sensors and Actuators, A: Physical, vol. 125, no. 2. pp. 124–132, Jan. 10, 2006. doi: https://doi.org/10.1016/j.sna.2005.07.019.
[16] E. Mesquita et al., “Groundwater level monitoring using a plastic optical fiber,” Sens Actuators A Phys, vol. 240, pp. 138–144, Apr. 2016, doi: https://doi.org/10.1016/j.sna.2016.01.042.