10.1364/OE.17.024189.m001 Tien-Chung Yang Tien-Chung Yang Yu-Hang Yang Yu-Hang Yang Ta-Jen Yen Ta-Jen Yen Media 1: An anisotropic negative refractive index medium operated at multiple-angle incidences Optica Publishing Group 2009 multiple-angle incidences 21 December 2009 media oe Optics Express anisotropic index medium 2009-12-21 00:00:00 Media https://opticapublishing.figshare.com/articles/media/Media_1_An_anisotropic_negative_refractive_index_medium_operated_at_multiple-angle_incidences/4940249 Originally published in Optics Express on 21 December 2009 (oe-17-26-24189)