Investigation of roughness evolution of ion sputtered fused silica surface Ji, Jianwei ; Fan, Wei ; Gao, Wei ; Wang, Chao ; Zhang, Yunfei ; Xu, Min ; Ji, Fang Abstract Publication: Applied Optics Pub Date: July 2019 DOI: 10.1364/AO.58.005388 Bibcode: 2019ApOpt..58.5388J