Cheng, Chen; Chen, Jing; Shi, Da-Jian; Wu, Qi-Yang; Ren, Fang-Fang; Xu, Ji; Fan, Ya-Xian; Ding, Jianping; Wang, Hui-tian
Very recently, in a short letter, we outlined some important results of electromagnetic transmission in dual-metallic grating structures composed of two identical single-metallic gratings with periodic subwavelength slit arrays. Here we describe and explain our theoretical study on the propagation property of the electromagnetic radiation in such structures in detail. The results manifest that the longitudinal interval and lateral displacement between the two single-metallic gratings strongly...[Show more]
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