Optical-transparent flexible broadband absorbers based on the ITO-PET-ITO structure

被引：51

作者：

Lai, Senfeng ^{[1
]}

Wu, Yanghui ^{[1
]}

Wang, Junjie ^{[1
]}

Wu, Wen ^{[1
]}

Gu, Wenhua ^{[1
]}

机构：

[1] Nanjing Univ Sci & Technol, Sch Elect & Opt Engn, Nanjing 210094, Jiangsu, Peoples R China

来源：

OPTICAL MATERIALS EXPRESS | 2018年 / 8卷 / 06期

基金：

中国国家自然科学基金;

关键词：

ARRAY;

D O I：

10.1364/OME.8.001585

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Traditional microwave absorbers usually use the epoxy resin dielectric board, which is neither flexible nor optically transparent, so cannot be used in certain applications. In this work, a flexible and optical-transparent broadband absorber is reported, which is based on the indium tin oxide (ITO) and polyethylene terephthalate (PET) material system with an ITO-PET-ITO structure. It showed more than 75% transmittance in the visible light range. The microwave absorption was above 0.8 from 19.9 GHz to 51.8 GHz. The absorption decreased when the absorber was bent, though the variation was not big. Further analysis pointed out that the absorption decrease could be attributed to the change of the incident angle. Theoretical simulation results agreed well with the measured absorption spectra. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：1585 / 1592

页数：8

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