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首页> 外文期刊>Journal of materials science >Design and measure of a tunable reflection polarization converter based on hybrid dielectric layer metamaterials
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Design and measure of a tunable reflection polarization converter based on hybrid dielectric layer metamaterials

机译：基于混合介电层超材料的可调反射偏振转换器的设计与测量

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摘要

We design and experimentally investigate of a temperature sensitive reflection polarization converter based on circular hole array metamaterial. This achieved converter consists of two metal layers (silver) and three dielectric layers (SU-8, polyimide, VO2). Measured results reveal that two polarization conversion ratio (PCR) peaks are obtained (99.1%, 99.3%) at two neighboring frequencies at normal temperature, which are derived from the cavity and electrical resonance modes, respectively. A PCR band is achieved based on the overlap of two PCR peaks, and the average conversion rate reaches 94.2%. When the measured temperature is increased, the average value of the PCR band is enhanced. Moreover, a new PCR peak is achieved with the measured temperature increasing, which is derived from a new electrical resonance mode excited between the bottom metal layer and the VO2 layer.
机译：我们设计和实验研究基于圆孔阵列超材料的热敏反射偏振转换器。此实现的转换器由两个金属层（银）和三个介电层（SU-8，聚酰亚胺，VO2）组成。测量结果表明，在常温下的两个相邻频率处分别获得了两个极化转换率（PCR）峰（99.1％，99.3％），这两个峰分别来自腔模和共振模。基于两个PCR峰的重叠获得一条PCR谱带，平均转化率达到94.2％。当测得的温度升高时，PCR条带的平均值增加。此外，随着测得的温度升高，获得了新的PCR峰，这是由于在底部金属层和VO2层之间激发了新的电共振模式而产生的。

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  • 来源
    《Journal of materials science》 |2019年第7期|7175-7181|共7页
  • 作者

    Liu Yun;

  • 作者单位

    North China Univ Water Resources & Elect Power, Sch Civil Engn & Commun, Zhengzhou 450045, Henan, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
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