Perfect absorption in symmetrical single layer ultrathin metal grating with unilateral illumination

In symmetric environment, as the tangential electric field is almost constant across the ultrathin film, the absorption rate of the film is up to 0.5 under single side illumination. In this letter, we propose a symmetrical single layer ultrathin metal grating structure where perfect absorption (up t...

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Bibliographic Details
Main Authors: Siren Li, Hanning Yang, Hongyan Shi, Xiangqian Jiang, Xiudong Sun
Format: Article
Language:English
Published: Elsevier 2020-09-01
Series:Results in Physics
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2211379720316995