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. Author manuscript; available in PMC: 2016 Sep 7.
Published in final edited form as: Phys Chem Chem Phys. 2015 Sep 7;17(33):21211–21219. doi: 10.1039/c4cp05291a

Figure 3. Change in optical modes at transition region.

Figure 3

(a) The transmission is shown for an expanded set of hole sizes from Figure 2, covering 500 nm to 290 nm in 30 nm intervals from bottom to top. (b) The estimated peak position of the LSPR and SPP for each hole diameter with a fixed periodicity of 500 nm. The LSPR peak jumps drastically in the transition region from nanotriangle to nanohole array around 425 nm, while the SPP only exists after the conversion to nanoholes has occurred.