165905 20260116002211.0 doi 10.1016/j.optlaseng.2017.06.023 sideral 100733 ART-2017-100733 eng Sanz-Felipe, Á. Universidad de Zaragoza (orcid)0000-0002-2464-5626 Response of a PCF-based modal interferometer to lateral stress: resonant behavior and performance as sensor 2017 The performance of a fiber-based modal interferometer as lateral stress sensor has been analyzed, both for static and periodic forces applied on it. The central fiber of the interferometer is a photonic crystal fiber. Forces are applied on it perpendicular to its axis, so that they squeeze it. In static situations, changes in the transmission spectrum of the interferometer are studied as a function of the charges applied. Measurements with several interferometers have been carried out in order to analyze the influence of its length and of its splices’ transmission on the device operation, looking for optimization of its linearity and sensibility. The effect of periodic charges, as an emulation of vibrations, has also been studied. The analysis is centered on the frequency dependence of the response. In linear regime (small enough periodic charges), the results obtained are satisfactorily explained by treating the central fiber of the interferometer as a mechanical resonator whose vibration modes coincide with the ones of a cylinder with clamped ends. In nonlinear regime, period doubling and other anharmonic behaviors have been observed. Access copy available to the general public Unrestricted info:eu-repo/semantics/openAccess by-nc-nd https://creativecommons.org/licenses/by-nc-nd/4.0/deed.es 3.388 2017 OPTICS 17 / 93 = 0.183 2017 Q1 T1 1.018 2017 Atomic and Molecular Physics, and Optics 2017 Q1 Mechanical Engineering 2017 Q1 Electronic, Optical and Magnetic Materials 2017 Q1 Electrical and Electronic Engineering 2017 Q1 info:eu-repo/semantics/article info:eu-repo/semantics/acceptedVersion Martín, J.C. Universidad de Zaragoza (orcid)0000-0002-8738-753X 2002 247 Universidad de Zaragoza Dpto. Física Aplicada Área Electromagnetismo 2002 647 Universidad de Zaragoza Dpto. Física Aplicada Área Óptica 98 (2017), 181-189 Opt. lasers eng. Optics and Lasers in Engineering 0143-8166 947066 http://zaguan.unizar.es/record/165905/files/texto_completo.pdf Postprint 2026475 http://zaguan.unizar.es/record/165905/files/texto_completo.jpg?subformat=icon icon Postprint oai:zaguan.unizar.es:165905 articulos driver 2026-01-15-21:56:16 ARTICLE