Fabry-Perot sensor based on two coupled microspheres for strain measurement

Catarina S. Monteiro; Jens Kobelke; Kay Schuster; Jörg​ Bierlich; Orlando Frazão

doi:10.1117/12.2263332

23 April 2017 Fabry-Perot sensor based on two coupled microspheres for strain measurement

Catarina S. Monteiro, Jens Kobelke, Kay Schuster, Jörg Bierlich, Orlando Frazão

Proceedings Volume 10323, 25th International Conference on Optical Fiber Sensors; 103232F (2017) https://doi.org/10.1117/12.2263332
Event: 25th International Conference on Optical Fiber Sensors, 2017, Jeju, Korea, Republic of

Abstract

A Fabry-Perot based sensor with two coupled hollow microspheres is presented. The sensor was fabricated using fusion splicing techniques, enabling a low-cost, highly reproducible, production. The coupling of the two microspheres gives rise to a highly sensitive strain sensor, reaching a sensitivity of 4.07 pm/με.The all-silica composition leads to a low thermal sensitivity, making the proposed structure suitable applications in environments with varying external conditions.

Citation Download Citation

Catarina S. Monteiro, Jens Kobelke, Kay Schuster, Jörg Bierlich, and Orlando Frazão "Fabry-Perot sensor based on two coupled microspheres for strain measurement", Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103232F (23 April 2017); https://doi.org/10.1117/12.2263332

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