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Proceedings Paper

Novel FBG sensors based on cladding surface microstructures
Author(s): Yu-Tang Dai; Minghong Yang; Joseph Muna Karanja; Qiancheng Zhao
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Paper Abstract

Novel FBG sensors based on cladding microstructures are proposed, which include micro-holes array, single or double spiral and straight groove types. Through depositing different sensitive film, the microstructured FBG sensors can be applied to fiber optic magnetic field sensor, hydrogen sensor and humidity sensor. As a developing example, a spiral type microstructured FBG magnetic field sensor is demonstrated. The testing results show that, the sensitivity of the spiral types probe can be promoted 4-6 times more than that of the non-microstructured standard FBG probe. The double spiral probe is better than the single spiral type.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91570J (2 June 2014); doi: 10.1117/12.2058106
Show Author Affiliations
Yu-Tang Dai, Wuhan Univ. of Technology (China)
Minghong Yang, Wuhan Univ. of Technology (China)
Joseph Muna Karanja, Wuhan Univ. of Technology (China)
Qiancheng Zhao, Wuhan Univ. of Technology (China)


Published in SPIE Proceedings Vol. 9157:
23rd International Conference on Optical Fibre Sensors
José M. López-Higuera; Julian D. C. Jones; Manuel López-Amo; José Luis Santos, Editor(s)

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