Laser Interferometry for Broad Area SPR-Grating Couplers in Chemical Applications
oleh: Mauricio Moreno-Sereno, Noemi Pérez, Guillem Domenech-Gil, Laura Parellada-Monreal, Miguel Martínez-Calderón, Mikel Gómez-Aranzadi, Nasser Darwish, Gemma G. Mandayo, Albert Romano-Rodriguez
| Format: | Article |
|---|---|
| Diterbitkan: | MDPI AG 2017-08-01 |
Deskripsi
In this work, the fabrication of a SPR (Surface Plasmon Resonance)-grating coupler using Laser Interference Lithography (LIL) has been investigated, giving rise to large area diffraction gratings on a 100 nm-thick gold film. The period of the diffraction grating is Λ = 500 nm. The SPR sensor has been tested towards several liquids showing a maximum sensitivity of S = 390 nm/RIU.