10.1364/OE.16.018371.m002 J. Ares García J. Ares García S. Bará S. Bará M. Gomez García M. Gomez García Z. Jaroszewicz Z. Jaroszewicz A. Kolodziejczyk A. Kolodziejczyk K. Petelczyc K. Petelczyc Media 2: Imaging with extended focal depth by means of the refractive light sword optical element Optica Publishing Group 2008 media light sword depth Optics Express Imaging oe 27 October 2008 2008-10-27 00:00:00 Media https://opticapublishing.figshare.com/articles/media/Media_2_Imaging_with_extended_focal_depth_by_means_of_the_refractive_light_sword_optical_element/4938533 Originally published in Optics Express on 27 October 2008 (oe-16-22-18371)