An experimental evaluation of the behavior of SPR fiber sensors in absorptive medium when plasmons are tuned to absorption peaks: method for selective measurement

I. Leite; M. C. Navarrete; N. Díaz-Herrera; A. Gonzalez Cano; O. Esteban

doi:10.1117/12.885841

17 May 2011 An experimental evaluation of the behavior of SPR fiber sensors in absorptive medium when plasmons are tuned to absorption peaks: method for selective measurement

I. Leite, M. C. Navarrete, N. Díaz-Herrera, A. Gonzalez Cano, O. Esteban

Author Affiliations +

Proceedings Volume 7753, 21st International Conference on Optical Fiber Sensors; 77530Y (2011) https://doi.org/10.1117/12.885841
Event: 21st International Conference on Optical Fibre Sensors (OFS21), 2011, Ottawa, Canada

Abstract

In this work we present experimental results that confirm the influence of an absorptive surrounding medium in the behavior of conventional SPR fiber sensors. It can be observed that when a plasmon resonance coincides with a wavelength absorbed by the medium, the depth of the dip is affected, as predicted in the simulations. The results are important from the basic point of view, since the influence of absorptive medium in plasma waves has not been sufficiently studied up to date and they can also be used as the basis for a new method of SPR-based refractometry selective to specific analytes without the need of the addition of recognizing elements to the transducer.

Citation Download Citation

I. Leite, M. C. Navarrete, N. Díaz-Herrera, A. Gonzalez Cano, and O. Esteban "An experimental evaluation of the behavior of SPR fiber sensors in absorptive medium when plasmons are tuned to absorption peaks: method for selective measurement", Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77530Y (17 May 2011); https://doi.org/10.1117/12.885841

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