5 October 2009 Optical fiber sensors based on indium tin oxide surface plasmon resonance supporting coatings
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Proceedings Volume 7503, 20th International Conference on Optical Fibre Sensors; 75030W (2009) https://doi.org/10.1117/12.835162
Event: 20th International Conference on Optical Fibre Sensors, 2009, Edinburgh, United Kingdom
Abstract
In this work, surface plasmon resonance (SPR) based optical fiber sensors are proposed by using a transparent conductive coating, Indium Tin Oxide (ITO) in our case, as the SPR supporting layer. The utilization of these ITO coatings instead of using a thin film of gold or silver shifts the plasmon resonance band to the infra-red region and allows the tunability of the SPR wavelength by adjusting the film fabrication parameters. The spectral response of these novel devices is characterized, achieving a sensitivity of 0.00025 refractive index units per nanometer, which opens the door for a wide range of applications.
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C. R. Zamarreño, C. R. Zamarreño, M. Hernáez, M. Hernáez, I. R. Matías, I. R. Matías, F. J. Arregui, F. J. Arregui, } "Optical fiber sensors based on indium tin oxide surface plasmon resonance supporting coatings", Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75030W (5 October 2009); doi: 10.1117/12.835162; https://doi.org/10.1117/12.835162
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