The plasmon excitation angle as a function of the refractive index demonstrated a positive trend for the first diffraction order, but showed a negative trend for the second diffraction order, as shown in Figure 9 b.
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Optimizing Stability and Performance of Silver-Based Grating Structures for Surface Plasmon Resonance Sensors.
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The plasmon excitation angle as a function of the refractive index demonstrated a positive trend for the first diffraction order, but showed a negative trend for the second diffraction order, as shown in Figure 9 b.
The grating’s structural parameters are highly significant for sensing purposes, and a graphic representation of the coupling quality versus the structural parameters of the grating is provided in Figure 7 using interpolation of all the experimentally obtained values.