超材料
宽带
带宽(计算)
材料科学
全息术
光电子学
计算机科学
等离子体子
超材料吸收剂
光子学
光子超材料
光学
物理
电信
作者
Joonkyo Jung,Hyeonjin Park,Jun Hyung Park,Taeyong Chang,Jonghwa Shin
出处
期刊:Nanophotonics
[De Gruyter]
日期:2020-06-25
卷期号:9 (10): 3165-3196
被引量:47
标识
DOI:10.1515/nanoph-2020-0111
摘要
Abstract Metamaterials can possess extraordinary properties not readily available in nature. While most of the early metamaterials had narrow frequency bandwidth of operation, many recent works have focused on how to implement exotic properties and functions over broad bandwidth for practical applications. Here, we provide two definitions of broadband operation in terms of effective material properties and device functionality, suitable for describing materials and devices, respectively, and overview existing broadband metamaterial designs in such two categories. Broadband metamaterials with nearly constant effective material properties are discussed in the materials part, and broadband absorbers, lens, and hologram devices based on metamaterials and metasurfaces are discussed in the devices part.
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