Frequency independent, remotely reconfigurable passive coherent perfect absorber using conventional inkjet-printing technology.

Frequency independent, remotely reconfigurable passive coherent perfect absorber using conventional inkjet-printing technology.
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DOI:
10.1038/s41598-022-08665-4
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发表时间:
2022-03-28
期刊:
影响因子:
4.6
通讯作者:
Fusco V
Fusco V
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Assimonis SD;Machado GG;Fusco V

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本工作对一种通过传统喷墨打印技术打印的新型相干吸收材料进行了系统的理论分析和实验验证。这种新型的吸波材料由一张印刷在传统塑料片上的单一电阻加载片组成,因此具有低复杂性和被动式设计。这种低成本、易于制造的吸收体具有频率无关、偏振不敏感、广角的特点,我们使用远程照明作为控制信号来演示其吸光度可重构。理论、数值和实验结果吻合较好。具体地说,实验结果表明,使用厚度较大的印刷片可以实现近乎完美的吸收。
This work presents a systematic theoretical analysis and experimental validation of a novel coherent absorber which is printed through conventional inkjet-printing technology. The new absorber consists of a single resistively loaded sheet printed on a conventional plastic sheet, resulting a low complexity and passive design. The low-cost and easily fabricated absorber is frequency independent, polarization insensitive, wide-angle and we demonstrate its absorbance reconfigurability using a remote illumination as a control signal. Theoretical, numerical and experimental results are in good agreement. Specifically, experimental results shown that near perfect absorption (i.e., ) can be achieved using a printed sheet of thickness .
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