Cladding mode resonance of special optical fiber for bending sensor with temperature insensitivity

Tingyun Wang; Fufei Pang; Xianglong Zeng; Wenbin Liang; Wenchao Xiang; Zhenyi Chen

doi:10.1117/12.785991

16 May 2008 Cladding mode resonance of special optical fiber for bending sensor with temperature insensitivity

Tingyun Wang, Fufei Pang, Xianglong Zeng, Wenbin Liang, Wenchao Xiang, Zhenyi Chen

Proceedings Volume 7004, 19th International Conference on Optical Fibre Sensors; 70042M (2008) https://doi.org/10.1117/12.785991
Event: 19th International Conference on Optical Fibre Sensors, 2008, Perth, WA, Australia

Abstract

In this paper, we fabricated and demonstrated a temperature-insensitive fiber bending sensor based on a special optical fiber with cladding mode resonance. The special fiber, with pure silica core and a fluorine-codoped inner cladding, fabricated by using conventional MCVD technique exhibited strong cladding mode resonance. The bend curvature dependence of resonant spectrum was investigated with high sensitivity to be -10.15nm•m^-1 and was found to possess an insensitivity to temperature. The proposed special fiber bending sensor is simple and low cost.

Citation Download Citation

Tingyun Wang, Fufei Pang, Xianglong Zeng, Wenbin Liang, Wenchao Xiang, and Zhenyi Chen "Cladding mode resonance of special optical fiber for bending sensor with temperature insensitivity", Proc. SPIE 7004, 19th International Conference on Optical Fibre Sensors, 70042M (16 May 2008); https://doi.org/10.1117/12.785991

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