10.1364/OE.23.019535.v006 Wenjun Fan Wenjun Fan Yanrong Wang Yanrong Wang Ruqiang Zheng Ruqiang Zheng Dahe Liu Dahe Liu Jinwei Shi Jinwei Shi Visualization 6: Broadband high efficiency asymmetric transmission of achiral metamaterials Optica Publishing Group 2015 Visualization substrate Broadband oe Optics Express spectrum efficiency achiral metamaterials 27 July 2015 2015-07-27 00:00:00 Media https://opticapublishing.figshare.com/articles/media/Visualization_6_Broadband_high_efficiency_asymmetric_transmission_of_achiral_metamaterials/4948604 AT spectrum when immersed in substrate Originally published in Optics Express on 27 July 2015 (oe-23-15-19535)