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Publication detail
| Authors: | P.P.P. Debackere, S. Scheerlinck, P. Bienstman, R. Baets | | Title: | Surface plasmon interferometer in silicon-on-insulator: novel concept for an integrated biosensor | | Format: | International Journal | | Publication date: | 8/2006 | | Journal/Conference/Book: | Optics Express
| | Volume(Issue): | 14(16) p.7063-7072 | | Internal Reference: | [N-497] | | Download: |
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Abstract
We propose a novel configuration for a highly integrated and highly sensitive optical biosensor. The basic element of the sensor is a surface plasmon interferometer consisting of a thin layer of gold embedded in a silicon membrane. We investigate the performance of the sensor by simulation using eigenmode expansion. We calculate that refractive index changes in the order of 10-6 RUI should be easily detectable for a component of length 10 micro meter. Moreover, we illustrate that the operation wavelength of the sensor can be easily tuned to a desired wavelength for a wide range of environmental refractive indices, making our device suitable for chemo- and biosensing. Related Research Topics
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