Magneto-optic surface plasmon resonance optimum layers: Simulations for biological relevant refractive index changes
, , , und .
Journal of Applied Physics 112 (3): 034505 (2012)

The transfer matrix method is used to simulate the magneto-optic surface plasmon resonance (MOSPR) of Au/Co/Au trilayer systems focused on the magneto-optic activity in transverse configuration. The results show a strong thickness dependence of the normalized difference of reflectivity at opposite directions of the magnetization (δ-signal) and a strong change of the δ-signal with the refractive index n of the biologically active layer. Within a range of the refractive index typically covered by a commercial SPR biosensor (n = 1.33-1.40), the magnitude of the δ-signal of an Au(10.75 nm)/Co(6 nm)/Au(20.25 nm) trilayer decreases from small to large n by a factor >63. This finding demonstrates that the enhanced sensitivity of an MOSPR biosensor can be exploited only by defined thicknesses of the metal layers for distinct refractive index regions.
  • @obertinetti
Diese Publikation wurde noch nicht bewertet.

Bewertungsverteilung
Durchschnittliche Benutzerbewertung0,0 von 5.0 auf Grundlage von 0 Rezensionen
    Bitte melden Sie sich an um selbst Rezensionen oder Kommentare zu erstellen.