Isikman, Serhan O. Varghese, Samuel Abdullah, Fahd Augustine, Robin Sprague, Randy B. Andron, Voytek Urey, Hakan Media 2: Advanced imaging with dynamic focus and extended depth using integrated FR4 platform Originally published in Optics Express on 14 September 2009 (oe-17-19-17179) FR 4 platform;media;oe;Optics Express;focus;depth;14 September 2009;imaging;Advanced 2009-09-14
    https://opticapublishing.figshare.com/articles/media/Media_2_Advanced_imaging_with_dynamic_focus_and_extended_depth_using_integrated_FR4_platform/4939751
10.1364/OE.17.017179.m002