Photonic Sensors, Volume. 6, Issue 4, 312(2016)
Liquid Level Sensor Based on CMFTIR Effect in Polymer Optical Fiber
The macro-bending induced optical fiber cladding modes frustrated total internal reflection effect is used to realize the liquid level probe with a simple structure of single macro-bend polymer optical fiber loop. The test results show that the extinction ratio reaches 1.06 dB. “First bath” phenomenon is not obvious (about 0.8%). The robustness of the sensor is better, and the ability of anti-pollution is stronger compared with the conventional sensors. The process of making this sensing probe is extremely easy, and the cost is very low.
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Yulong HOU, Wenyi LIU, Huixin ZHANG, Shan SU, Jia LIU, Yanjun ZHANG, Jun LIU, Jijun XIONG. Liquid Level Sensor Based on CMFTIR Effect in Polymer Optical Fiber[J]. Photonic Sensors, 2016, 6(4): 312
Category: Regular
Received: Dec. 5, 2015
Accepted: Aug. 1, 2015
Published Online: Oct. 21, 2016
The Author Email: LIU Wenyi (liu_wenyi418@126.com)