TY - Front. Optoelectron. A1 - Xiangang LUO T1 - Subwavelength electromagnetics Y1 - 2016-04-05 JF - Frontiers of Optoelectronics JO - Front. Optoelectron. SP - 138 EP - 150 VL - 9 IS - 2 UR - https://journal.hep.com.cn/foe N1 - 10.1007/s12200-016-0632-1 ER -