Fabrication of polymer microlens array with controllable focal length by modifying surface wettability Xu, Qiao ; Dai, Bo ; Huang, Yu ; Wang, Huansi ; Yang, Zhuoqing ; Wang, Kaimin ; Zhuang, Songlin ; Zhang, Dawei Abstract Publication: Optics Express Pub Date: February 2018 DOI: 10.1364/OE.26.004172 Bibcode: 2018OExpr..26.4172X