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Figure 4 | Nanoscale Research Letters

Figure 4

From: Ultrahigh refractive index sensing performance of plasmonic quadrupole resonances in gold nanoparticles

Figure 4

Incident angle-averaged extinction spectra. Normalized incident angle-averaged extinction spectra for nanorods of types A, B, C, and D in the wavelength of interest, with surrounding medium of RI = 1.33. The red double arrows denote the fullwidth at half maximum linewidth of each peak. For the D curve, the extrapolation line is also shown. The curves are plotted in offset for clarity, with insets showing the schematics of the nanorods (left) and their angle-dependent extinction spectra (right).

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