Loss induced negative refraction and super-prism effect at highly absorptive interface
Wu Jian1, 4, †, Wang Tao1, Hou Tianyue1, Kan Xuefen2, Yin Cheng2, 3, 4, Zhou Pu1, ‡, Cao Zhuangqi3
       

The isofrequency surface between 2×1015–6 ×1015 s−1 in the medium with anomalous dispersion.