Table 2.

Values of the fitting parameters for the calculated spectrums shown in Fig. 4

Structure	(80-nm-diameter silica core)@(16-nm-thick gold shell)	(79-nm-diameter silica core)@(29-nm-thick gold shell)	(88-nm-diameter silica core)@(36-nm-thick gold shell)
Core diameter (nm)	86	87	89
Shell thickness (nm)	13.5	25	35
A	1.33	1.67	1.33
Standard deviation of core diameter (nm)	4.0	3.4	6.0
Standard deviation of shell thickness (nm)	0.6	1.0	2.3