The use of a bent singlemode-multimode-singlemode (SMS) fiber structure for vibration sensing

Qiang Wu; Yuliya Semenova; Pengfei Wang; Gerald Farrell

doi:10.1117/12.884997

17 May 2011 The use of a bent singlemode-multimode-singlemode (SMS) fiber structure for vibration sensing

Qiang Wu, Yuliya Semenova, Pengfei Wang, Gerald Farrell

Proceedings Volume 7753, 21st International Conference on Optical Fiber Sensors; 77535G (2011) https://doi.org/10.1117/12.884997
Event: 21st International Conference on Optical Fibre Sensors (OFS21), 2011, Ottawa, Canada

Abstract

A bent singlemode-multimode-singlemode (SMS) fiber structure based vibration sensor is proposed and developed. This sensor configuration is very simple and employs a bent SMS fiber structure and a narrow band optical source such as a laser. The vibration applied to the bent SMS fiber structure will change the bend radius and hence the intensity of the transmitted optical power will also vary. Experimental results show that the sensor can detect vibration frequencies over a broad range with good sensitivity, from hertz to a few kHz.

Citation Download Citation

Qiang Wu, Yuliya Semenova, Pengfei Wang, and Gerald Farrell "The use of a bent singlemode-multimode-singlemode (SMS) fiber structure for vibration sensing", Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77535G (17 May 2011); https://doi.org/10.1117/12.884997

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