Modeling of multi-cavity Fabry-Perot optical fiber sensors

Paweł Wierzba

doi:10.1117/12.2223011

17 December 2015 Modeling of multi-cavity Fabry-Perot optical fiber sensors

Paweł Wierzba

Proceedings Volume 9816, Optical Fibers and Their Applications 2015; 98160V (2015) https://doi.org/10.1117/12.2223011
Event: 16th Conference on Optical Fibers and Their Applications, 2015, Lublin and Naleczow, Poland

Abstract

Reflectance characteristics of a two-cavity extrinsic Fabry-Perot optical fiber sensor were investigated using computer modeling. Calculations were performed using a plane wave-based approach, selected for clarity of results. Based on the modeling results, it can be concluded that the two-cavity Fabry-Perot interferometer can be used to measure two different quantities, such as refractive index and temperature, independently. It is also possible to use one of its cavities as a wavelength or optical path length reference, especially when a tunable laser is used as a light source. Spectral signal processing needed in such sensor is not substantially more complicated than that used in single cavity sensors.

Citation Download Citation

Paweł Wierzba "Modeling of multi-cavity Fabry-Perot optical fiber sensors", Proc. SPIE 9816, Optical Fibers and Their Applications 2015, 98160V (17 December 2015); https://doi.org/10.1117/12.2223011

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