Design and fabrication of structural color by local surface plasmonic meta-molecules

Ma Ya-Qi^a), Shao Jin-Hai^a), Zhang Ya-Feng^b), Lu Bing-Rui^a), Zhang Si-Chao^a), Sun Yan^c), Qu Xin-Ping^d), Chen Yi-Fang†^a)

Sub-wavelength (a) holes and (b) ring arrays in 200-nm thick Al film. The period of both two patterns is 400 nm.