Xing, Jiyao Rong, Weibin Sun, Ding Wang, Lefeng Sun, Lining Visualization 3: Extrusion printing for fabrication of spherical and cylindrical microlens arrays The process of spherical microlens extrusion printing. Originally published in Applied Optics on 01 September 2016 (ao-55-25-6947) Visualization;Extrusion;01 September 2016;Applied Optics;microlens extrusion printing;ao;fabrication;microlens arrays 2016-09-01
    https://opticapublishing.figshare.com/articles/media/Visualization_3_Extrusion_printing_for_fabrication_of_spherical_and_cylindrical_microlens_arrays/4899812
10.1364/AO.55.006947.v003