The dual-parameter sensor based on the SMS fiber structure with an off-axis welding

Yanan Liu; Shijun Peng; Baoyong Li; Jianzhong Zhang

doi:10.1117/12.915441

30 January 2012 The dual-parameter sensor based on the SMS fiber structure with an off-axis welding

Yanan Liu, Shijun Peng, Baoyong Li, Jianzhong Zhang

Proceedings Volume 8351, Third Asia Pacific Optical Sensors Conference; 83510E (2012) https://doi.org/10.1117/12.915441
Event: Asia Pacific Optical Sensors Conference, 2012, Sydney, Australia

Abstract

A novel sensing scheme to measure strain and temperature simultaneously by using an off-axis single mode-multimode-single mode (SMS) fiber optical structure is proposed in this article. The dual-parameter measurement is achieved based on the obviously different strain and temperature responses of two loss peaks in the off-axis SMS transmission spectrum. In experimental, the sensitivities value of temperature and Strain of two loss peaks are measured to -8.2pm/με, -2.3 pm/με and 41.2pm C ° / , 16.0pm C° / , respectively.

Citation Download Citation

Yanan Liu, Shijun Peng, Baoyong Li, and Jianzhong Zhang "The dual-parameter sensor based on the SMS fiber structure with an off-axis welding", Proc. SPIE 8351, Third Asia Pacific Optical Sensors Conference, 83510E (30 January 2012); https://doi.org/10.1117/12.915441

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