Integrated electrically driven surface plasmon resonance device for biosensing applications
| Autor: | Jan J. Dubowski, Alvaro Jiménez, Dominic Lepage, Jacques Beauvais |
|---|---|
| Rok vydání: | 2015 |
| Předmět: |
Materials science
Surface plasmon Nanotechnology Near and far field 02 engineering and technology 021001 nanoscience & nanotechnology 01 natural sciences Atomic and Molecular Physics and Optics Nanoimprint lithography law.invention 010309 optics law visual_art 0103 physical sciences Electronic component visual_art.visual_art_medium Surface plasmon resonance 0210 nano-technology Biosensor Localized surface plasmon Light-emitting diode |
| Zdroj: | Optics express. 23(15) |
| ISSN: | 1094-4087 |
| Popis: | Compact and portable surface plasmon resonance (SPR) biosensors of high sensitivities can be made through integration of discrete components in a single device. We report on a device comprising a vertical cavity light emitting diode (VLED) integrated with gold-based biosensing nanostructures fabricated atop its surface. Coupling of surface plasmon waves was achieved by the introduction of a spacer SiO2 layer located between the light source and the functionalized Au thin film. The SPR signal was extracted in far field with a Au-based nanograting and detected using a custom designed hyperspectral imager. We discuss the performance of a VLED-based SPR device employed for detection of different concentration saltwater solutions. |
| Databáze: | OpenAIRE |
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