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Journal of Sensors
Volume 2012, Article ID 154586, 6 pages
Research Article

Remote-Time Division Multiplexing of Bending Sensors Using a Broadband Light Source

Departamento de Ingeniería Eléctrica y Electrónica, Universidad Pública de Navarra, Campus Arrosadia S/N, Navarra, 31006 Pamplona, Spain

Received 14 February 2012; Accepted 31 July 2012

Academic Editor: Weiqi Jin

Copyright © 2012 Mikel Bravo and Manuel López-Amo. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


This work experimentally demonstrates a remote sensing network which interrogates bending sensors using time-division multiplexing techniques and a broadband light source. The bending sensors are located 50 km away from the monitoring station. They are based on a simple tie displacement sensor and offer high-resolution measurements of displacement.