Visualization 3: Digital polarization holography advancing geometrical phase optics Luciano De Sio David E. Roberts Zhi Liao Sarik Nersisyan Olena Uskova Lloyd Wickboldt Nelson Tabiryan Diane M. Steeves Brian R. Kimball 10.1364/OE.24.018297.v003 https://opticapublishing.figshare.com/articles/media/Visualization_3_Digital_polarization_holography_advancing_geometrical_phase_optics/4949885 Sample with the invisible photo of George Washington (the background is The New York Times homepage) Originally published in Optics Express on 08 August 2016 (oe-24-16-18297) 2016-08-08 00:00:00 Visualization holography photo George Washington 08 August 2016 Optics Express polarization New York Times homepage background oe phase optics Sample