D-shape polymer optical fibres for surface plasmon resonance sensing

被引:10
作者
Gasior, K. [1 ]
Martynkien, T. [1 ]
Wojcik, G. [2 ]
Mergo, P. [2 ]
Urbanczyk, W. [1 ]
机构
[1] Wroclaw Univ Technol, Dept Opt & Photon, Wybrzeze Wyspianskiego 27, PL-50370 Wroclaw, Poland
[2] Marie Curie Sklodowska Univ, Lab Opt Fibre Technol, Pl Marii Curie Sklodowskiej 2, PL-20031 Lublin, Poland
关键词
surface plasmons; fibre optics sensors; polymer waveguides; SENSOR; SENSITIVITY; SPR; PERFORMANCE;
D O I
10.1515/oere-2016-0025
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We experimentally studied three different D-shape polymer optical fibres with an exposed core for their applications as surface plasmon resonance sensors. The first one was a conventional D-shape fibre with no microstructure while in two others the fibre core was surrounded by two rings of air holes. In one of the microstructured fibres we introduced special absorbing inclusions placed outside the microstructure to attenuate leaky modes. We compared the performance of the surface plasmon resonance sensors based on the three fibres. We showed that the fibre bending enhances the resonance in all investigated fibres. The measured sensitivity of about 610 nm/RIU for the refractive index of glycerol solution around 1.350 is similar in all fabricated sensors. However, the spectral width of the resonance curve is significantly lower for the fibre with inclusions suppressing the leaky modes.
引用
收藏
页码:209 / 215
页数:7
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