| Issue |
EPJ Web Conf.
Volume 266, 2022
EOS Annual Meeting (EOSAM 2022)
|
|
|---|---|---|
| Article Number | 05004 | |
| Number of page(s) | 2 | |
| Section | Topical Meeting (TOM) 5- Resonant Nanophotonics | |
| DOI | https://doi.org/10.1051/epjconf/202226605004 | |
| Published online | 13 October 2022 | |
https://doi.org/10.1051/epjconf/202226605004
Figure of Merit Comparison Between Surface Plasmon Resonance and Bloch Surface Waves
1 INESC TEC–Institute for Systems and Computer Engineering, Technology and Science, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal
2 Department of Physics and Astronomy, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal
3 Department of Physics, School of Science and Technology, University of Trás-os-Montes e Alto Douro, 5001-801 Vila Real, Portugal
* Corresponding author: bernardo.s.dias@inesctec.pt
Published online: 13 October 2022
The sensing performance of two types of electromagnetic surface waves are compared, a Surface Plasmon Polariton, where a gold thin film is used, being a standard material in biosensing applications; and a Bloch Surface Wave, using a photonic crystal made of a stack of silica and titanium dioxide layers. It is verified that the sensing performance (as measured by the Figure of Merit) of the gold film is higher, even though the Bloch Surface Waves can serve specific applications due to its narrow bandwidth. At the same time, it is concluded that further research must be made in order to choose the right set of parameters that maximize the Bloch Surface Wave performance.
© The Authors, published by EDP Sciences
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