Table 1.

Mean values µ, standard deviation σ, relative error, and populations in the statistics for modulus values measured on the different samples.

sample	µ	σ	relative error 100·σ/µ	total area (nm2 )	total pixels
Au island	1.02	0.08	8	12760	6830
as prepared	0.42	0.14	33	32070	17160
365 nm	0.86	0.07	8	17830	9540
450 nm	0.048	0.07	15	24490	13100