%0 Journal Article %T Nonlinear optics on nano/micro-hierarchical structures on metals: focus on symmetric and plasmonic effects %A Chunlei Guo %A Yoichi Ogata %J Archive of "Nano Reviews & Experiments". %D 2017 %R 10.1080/20022727.2017.1339545 %K SHG %K surface plasmon %K hierarchical structure %K symmetry %K laser ablation %K metal %K NC-LIPSS %K microcube %K microgroove %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6167031/