期刊
OPTICS EXPRESS
卷 27, 期 20, 页码 28123-28132出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.27.028123
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资金
- National Natural Science Foundation of China [61405159, 61675152, 61735011, U1833104]
- Natural Science Foundation of Tianjin City [16JCQNJC02000]
- National Basic Research Program of China (973 Program) [2016YFC0401902]
- Key Laboratory of Opto-electronics Information Technology, Ministry of Education [2018KFKT013]
This paper reports a torsion sensor based on the multimode interference theory. The sensor is fabricated by sandwiching a section of perfluorinated polymer optical fiber (POF) between two silica single mode fibers to construct a single-mode-multimode-single-mode (SMS) structure. The perfluorinated POF is easily connected to the optical fiber via the precise alignment of ceramic ferrules and ceramic mating sleeve. With the considerable flexibility and deformability of the perfluorinated POF, the proposed sensor is especially suitable for torsion measurement. Experimental results show that a wavelength sensitivity of 106.762 pm/(rad/m) and an intensity sensitivity of 0.165 dBm/(rad/m) are obtained within a large torsion rate of -100 similar to 100 rad/m. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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