2026-06-08T09:50:48Zhttps://docta.ucm.es/rest/oai/requestoai:docta.ucm.es:20.500.14352/441142023-08-27T19:30:24Zcom_20.500.14352_14col_20.500.14352_15
Docta Complutense
author
Díaz Herrera, Natalia
author
Viegas, Diana Catarino das Neves
author
Jorge, Pedro A. S.
author
Araújo, Francisco Manuel Moita
author
Santos, Jose Luis
author
Navarrete Fernández, María Cruz
author
González Cano, Agustín
2023-06-20T03:38:11Z
2023-06-20T03:38:11Z
2010-01-29
0925-4005
10.1016/j.snb.2009.10.062
https://hdl.handle.net/20.500.14352/44114
http://dx.doi.org/10.1016/j.snb.2009.10.062
http://www.sciencedirect.com/
In this work a new configuration of a refractometric sensor for aqueous solutions based on the combination of surface plasmon resonance (SPR) with fibre Bragg gratings (FBG) is presented. Two FBGs are selected having reflection maxima in each side of the plasmon resonance peak. These FBGs enable a different processing scheme for the information provided by the SPR transducer. This improved interrogation method increases the sensitivity and resolution of the sensor compared with those obtained with the usual method of tracking the spectral transmittance minimum and makes the system performance independent of optical source power fluctuations. The experimental results obtained with a double-layer uniform-waist tapered fibre show the feasibility of this approach and its applicability in SPR-based biosensors that must face very exigent measuring conditions.
eng
Fibre-optic SPR sensor with a FBG interrogation scheme for readout enhancement
journal article
URL
https://docta.ucm.es/bitstreams/a90f96cd-ffd6-4464-be97-fa2e4f5428b5/download
File
MD5
602f27e77953fb81ec36f0cf9de14ad6
631507
application/pdf
NavarreteMC11.pdf
URL
https://docta.ucm.es/bitstreams/58a43efd-6e29-4648-8916-f6fc6f2e69be/download
File
MD5
dab33edfd3029dc7e9d9fe231eae7961
32918
text/plain
NavarreteMC11.pdf.txt