Simultaneous measurement of strain and temperature based on clover microstructured fiber loop mirror

R. A. Perez-Herrera; R. M. André; S. F. Silva; M. Becker; K. Schuster; J. Kobelke; M. Lopez-Amo; J. L. Santos; O. Frazão

doi:10.1117/12.968585

7 November 2012 Simultaneous measurement of strain and temperature based on clover microstructured fiber loop mirror

R. A. Perez-Herrera, R. M. André, S. F. Silva, M. Becker, K. Schuster, J. Kobelke, M. Lopez-Amo, J. L. Santos, O. Frazão

Author Affiliations +

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 84216W (2012) https://doi.org/10.1117/12.968585
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

In this work, an all-fiber loop mirror using a clover microstructured fiber for the simultaneous measurement of temperature and strain is presented. The sensing head is formed by a short piece of clover microstructured fiber with 35 mm length. The geometry of the fiber allowed observing different interferences created by the microstructured fiber core section. Different sensitivities to temperature and strain were obtained and, using a matrix method, it is possible to discriminate both physical parameters. Resolutions of ±2ºC and ±11 με, for temperature and strain, respectively, were attained.

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R. A. Perez-Herrera, R. M. André, S. F. Silva, M. Becker, K. Schuster, J. Kobelke, M. Lopez-Amo, J. L. Santos, and O. Frazão "Simultaneous measurement of strain and temperature based on clover microstructured fiber loop mirror", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84216W (7 November 2012); https://doi.org/10.1117/12.968585

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