Distributed monitoring of fiber Bragg gratings under local lateral loads using optical frequency domain reflectometry

Daichi Wada; Hideaki Murayama; Hirotaka Igawa

doi:10.1117/12.968197

17 October 2012 Distributed monitoring of fiber Bragg gratings under local lateral loads using optical frequency domain reflectometry

Daichi Wada, Hideaki Murayama, Hirotaka Igawa

Author Affiliations +

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 84213X (2012) https://doi.org/10.1117/12.968197
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

We demonstrate distributed monitoring of long-length fiber Bragg gratings (FBGs) under lateral loads using optical frequency domain reflectometry (OFDR). Local lateral loads are applied to a certain area of the long-length FBGs. We observe splits of Bragg peaks due to the lateral loads in a distributed manner. We calculated the lateral loads based on the amount of Bragg peak splits, which showed the good agreement with the applied loads.

Citation Download Citation

Daichi Wada, Hideaki Murayama, and Hirotaka Igawa "Distributed monitoring of fiber Bragg gratings under local lateral loads using optical frequency domain reflectometry", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84213X (17 October 2012); https://doi.org/10.1117/12.968197

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