Theoretical modeling of a Localized Surface Plasmon Resonance (LSPR) based fiber optic temperature sensor

J. F. Algorri; B. García-Cámara; A. García-García; V. Urruchi; J. M. Sánchez-Pena

doi:10.1117/12.2059657

2 June 2014 Theoretical modeling of a Localized Surface Plasmon Resonance (LSPR) based fiber optic temperature sensor

J. F. Algorri, B. García-Cámara, A. García-García, V. Urruchi, J. M. Sánchez-Pena

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 915738 (2014) https://doi.org/10.1117/12.2059657
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

A localized surface plasmon resonance based fiber optic sensor for temperature sensing has been analyzed theoretically. The effects of the size of the spherical metal nanoparticle on the performance of the sensor have been studied in detail. The high sensitivity of localized surface plasmon resonances to refraction index changes, in collaboration with the high thermo-optic coefficients of Liquid Crystal materials, has result in a fiber optical sensor with high temperature sensitivity. This sensitivity has been demonstrated to be dependent on nanoparticle size. Maximum sensitivities of 4nm/°C can be obtained for some specific temperature ranges. The proposed sensor will be low cost, and will have all the typical advantages of fiber optic sensors.

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J. F. Algorri, B. García-Cámara, A. García-García, V. Urruchi, and J. M. Sánchez-Pena "Theoretical modeling of a Localized Surface Plasmon Resonance (LSPR) based fiber optic temperature sensor", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 915738 (2 June 2014); https://doi.org/10.1117/12.2059657

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