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Proceedings Paper

Modeling of multi-cavity Fabry-Perot optical fiber sensors
Author(s): Paweł Wierzba
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Paper 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.

Paper Details

Date Published: 17 December 2015
PDF: 6 pages
Proc. SPIE 9816, Optical Fibers and Their Applications 2015, 98160V (17 December 2015); doi: 10.1117/12.2223011
Show Author Affiliations
Paweł Wierzba, Gdańsk Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 9816:
Optical Fibers and Their Applications 2015
Ryszard S. Romaniuk; Waldemar Wojcik; Andrzej Smolarz, Editor(s)

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