A polarization-independent single band switchable metamaterial absorber

机译：偏振无关的单波段可切换超材料吸收器

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摘要

In this paper, a single band switchable metamaterial absorber based on active frequency selective surface (AFSS) has been presented. The proposed design comprises of periodically arranged circular loops on which semiconductor switches (PIN diodes) are implemented. By controlling the bias voltage of the PIN diodes, the absorption frequency can be switched between two different frequency bands. Moreover, the proposed design is four-fold symmetric thereby realizing polarization-insensitive behaviour, unlike the earlier reported switchable absorbers. Finally, the structure has been fabricated, whose measured results are in good agreement with the simulated responses under normal as well as oblique incidence.

机译：本文提出了一种基于有源频率选择性表面（AFSS）的单波段可切换超材料吸收器。所提出的设计包括周期性排列的圆环，在其上实施半导体开关（PIN二极管）。通过控制PIN二极管的偏置电压，可以在两个不同的频带之间切换吸收频率。而且，与早期报道的可切换吸收器不同，所提出的设计是四重对称的，从而实现了对偏振不敏感的行为。最终，该结构已经制成，其测量结果与正常以及倾斜入射下的模拟响应都非常吻合。

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来源
《2016 URSI International Symposium on Electromagnetic Theory》|2016年|618-621|共4页
会议地点 Espoo(FI)
作者
Saptarshi Ghosh; Kumar Vaibhav Srivastava;
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作者单位

Department of Electrical Engineering, Indian Institute of Technology Kanpur, Uttar Pradesh - 208016, India;

Department of Electrical Engineering, Indian Institute of Technology Kanpur, Uttar Pradesh - 208016, India;

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会议组织
原文格式 PDF
正文语种 eng
中图分类
关键词
Switches; Metamaterials; Semiconductor device measurement; Reflection coefficient; PIN photodiodes; Absorption; Semiconductor diodes;

机译：开关;超材料;半导体器件测量;反射系数; PIN光电二极管;吸收;半导体二极管;

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专利

1. Triple band polarization-independent metamaterial absorber with bandwidth enhancement at X-band [J] . Somak Bhattacharyya, Saptarshi Ghosh, Kumar Vaibhav Srivastava Journal of Applied Physics . 2013,第9期

机译：与三波段偏振无关的超材料吸收器，在X波段具有带宽增强
2. A photoexcited switchable perfect metamaterial absorber/reflector with polarization-independent and wide-angle for terahertz waves [J] . Cheng Yongzhi, Gong Rongzhou, Zhao Jingcheng Optical Materials . 2016,第deca期

机译：具有与偏振无关的广角和太赫兹波的光激发可切换完美超材料吸收器/反射器
3. A photoexcited switchable perfect metamaterial absorber/reflector with polarization-independent and wide-angle for terahertz waves [J] . Cheng Yongzhi, Gong Rongzhou, Zhao Jingcheng Optical Materials . 2016,第Deca期

机译：具有与偏振无关的广角和太赫兹波的光激发可切换完美超材料吸收器/反射器
4. A polarization-independent single band switchable metamaterial absorber [C] . Saptarshi Ghosh, Kumar Vaibhav Srivastava URSI Commission B International Symposium on Electromagnetic Theory . 2016

机译：独立于偏振的单带可切换超材料吸收器
5. A switchable magnetic low-index metamaterial for use in a dynamically reconfigurable beam-scanning lens antenna with a single feed. [D] . Turpin, Jeremiah Paul. 2014

机译：一种可开关的磁性低折射率超材料，用于具有单馈源的动态可重构波束扫描透镜天线。
6. Dynamically Switchable Polarization-Independent Triple-Band Perfect Metamaterial Absorber Using a Phase-Change Material in the Mid-Infrared (MIR) Region [O] . Dongdong Xu, Fenping Cui, Gaige Zheng 2021

机译：使用中红外线（MIR）区域中的相变材料动态可切换偏振无关的三频带完美的超材料吸收器
7. Dual-band polarization-independent metamaterial absorber for radar stealth technology [O] . Yao Ma, Lu Feng, Liu Jun, 2017

机译：雷达隐形技术双带偏振无关的超材料吸收器
8. Ultrafast Nonlinear Optical Spectroscopy of a Dual-Band Negative Index Metamaterial All-Optical Switching Device. [R] . Dani, K. M., Ku, Z., Upadhya, P. C., 2011

机译：双带负指数超材料全光开关器件的超快非线性光谱。

A polarization-independent single band switchable metamaterial absorber

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