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Strongly coupled bio-plasmonic system: Application to oxygen sensing
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10.1063/1.3626786
/content/aip/journal/jap/110/4/10.1063/1.3626786
http://aip.metastore.ingenta.com/content/aip/journal/jap/110/4/10.1063/1.3626786

Figures

Image of FIG. 1.
FIG. 1.

Geometry of the system.

Image of FIG. 2.
FIG. 2.

(a) Real and (b) imaginary parts of the dielectric function of Hb at a concentration of 25 mM, in the oxygenated (fr = 1) and deoxygenated (fr = 0) states.

Image of FIG. 3.
FIG. 3.

(Color online) Dispersion diagram of (a) a thin silver film placed on a SiO2 substrate, (b) oxygenated Hb layer placed on top of SiO2 slab, (c) deoxygenated Hb layer placed on top of a SiO2 slab, (d) complete system (Fig. 1) when fr = 1.0, and (e) complete system (Fig. 1) when fr = 0.

Image of FIG. 4.
FIG. 4.

(Color online) (a) Reflection spectra for two different angles of incidence; (b) shift of the resonance peak as a function of oxygenation for both angles of incidence; and (c) change in reflectivity as a function of the fraction of oxygenation for both angles of incidence.

Image of FIG. 5.
FIG. 5.

(Color online) Reflectivity from the layered structure for four different wavelengths (a) 541 nm, (b) 556 nm, (c) 577 nm, and (d) 800 nm. (e) Angular shift as a function of oxygenation of the Hb layer for the four wavelengths; (f) change in reflectivity as a function of the fraction of oxygenation.

Tables

Generic image for table
Table I.

Values of the various parameters used to fit the permittivity of Hb.

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/content/aip/journal/jap/110/4/10.1063/1.3626786
2011-08-26
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Strongly coupled bio-plasmonic system: Application to oxygen sensing
http://aip.metastore.ingenta.com/content/aip/journal/jap/110/4/10.1063/1.3626786
10.1063/1.3626786
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