Geometry of the system.
(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.
(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.
(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.
(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.
Values of the various parameters used to fit the permittivity of Hb.
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