Broadband polarization-insensitive absorber based on gradient structure metamaterial

Yang, Guohui; Liu, Xiaoxin; Lv, Yue-Long; Fu, Jiahui; Wu, Qun; Gu, Xuemai

doi:10.1063/1.4868090

Cited by 42 publications

(9 citation statements)

References 6 publications

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“…They are fairly consistent, except a frequency shift in the front and back edges of the band. It is apparent that for this designs both the central frequency (60 GHz) and the absolute bandwidth (50-70 GHz) are the highest among the recent metamaterial EBG absorbers [19][20][21][22][23][24].…”

Section: Equivalent Circuit Analysismentioning

confidence: 99%

Development of Metamaterial EBG Absorbers for Application of Wireless Inter/Intrachip Communication Systems

Zheng¹,

Chen²,

Wang³

et al. 2017

Metamaterials - Devices and Applications

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First, the chapter presents a novel design of electromagnetic bandgap (EBG) absorber with the characteristics of broad bandwidth, low profile, and polarization-independence to a normal incident electromagnetic wave. The absorber is composed of three consecutive octagon or decagon loops, and highly-resistive frequency selective surface (FSS) layers. Second, based on the feature of the designed absorber unit, a broadband, metamaterial absorber-bounded, wireless inter/intrachip (WIIC) communication channel is constructed at the center frequency of 60 GHz. Third, in order to validate the developed methodology used in WIIC analysis, a wired channel on a conventional PCB has been measured, simulated, and analyzed. Fourth, with the extracted S-parameters of the WIIC system and wired PCB channel, the system impulse responses and transfer functions of the investigated channels have been further extracted, which are used for validation and BER analysis of the WIIC system. Finally, it has been shown that based on the derived BER results, the performance of the designed WIIC channel is close to that of an additive Gaussian white noise (AWGN) channel when the WIIC transceivers are built in with the functionalities of forward error control (FEC), channel estimation, and equalization.

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Section: Equivalent Circuit Analysismentioning

confidence: 99%

Development of Metamaterial EBG Absorbers for Application of Wireless Inter/Intrachip Communication Systems

Zheng¹,

Chen²,

Wang³

et al. 2017

Metamaterials - Devices and Applications

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show abstract

“…12 G. Yang et al created a broadband absorber by introducing multiple adjacent frequencies. 13 D.T. Viet et al used metallic dish structure to achieve broadband absorption by adjusting the dish sizes.…”

Section: Introductionmentioning

confidence: 99%

A band enhanced metamaterial absorber based on E-shaped all-dielectric resonators

Li-yang

Wang

et al. 2015

AIP Advances

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In this paper, we propose a band enhanced metamaterial absorber in microwave band, which is composed of high-permittivity E-shaped dielectric resonators and metallic ground plate. The E-shaped all-dielectric structure is made of high-temperature microwave ceramics with high permittivity and low loss. An absorption band with 1 GHz bandwidth for both TE and TM polarizations are observed. Moreover, the absorption property is stable under different incident angles. The band enhanced absorption is caused by different resonant modes which lie closely in the absorption band. Due to the enhanced localized electric/magnetic fields at the resonant frequencies, strong absorptions are produced. Our work provides a new method of designing high-temperature and high-power microwave absorbers with band enhanced absorption.

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“…However, these absorbers suffer from relatively narrow bandwidth, particularly limiting their potential applications in the microwave region. In order to broaden the bandwidth, the assorted resonators are usually used to excite multiple overlapping absorption modes, [11][12][13][14] while most attempts are still limited except for some extraordinary designs based on the destructive interference mechanism, 15 the slow-wave effect, 16 and the corrugated surface structures. 17 Meanwhile, resistive frequency selective surface can also be thought as an alternative way for the design of the broadband absorbers.…”

Section: Introductionmentioning

confidence: 99%

An extremely wideband and lightweight metamaterial absorber

Shen

Pei

Pang

et al. 2015

Journal of Applied Physics

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This paper presents a three-dimensional microwave metamaterial absorber based on the stand-up resistive film patch array. The absorber has wideband absorption, lightweight, and polarizationindependent properties. Our design comes from the array of unidirectional stand-up resistive film patches backed by a metallic plane, which can excite multiple standing wave modes. By rolling the resistive film patches as a square enclosure, we obtain the polarization-independent property. Due to the multiple standing wave modes, the most incident energy is dissipated by the resistive film patches, and thus, the ultra-wideband absorption can be achieved by overlapping all the absorption modes at different frequencies. Both the simulated and experimental results show that the absorber possesses a fractional bandwidth of 148.2% with the absorption above 90% in the frequency range from 3.9 to 26.2 GHz. Moreover, the proposed absorber is extremely lightweight. The areal density of the fabricated sample is about 0.062 g/cm 2 , which is approximately equivalent to that of eight stacked standard A4 office papers. It is expected that our proposed absorber may find potential applications such as electromagnetic interference and stealth technologies. V C 2015 AIP Publishing LLC. [http://dx

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Broadband polarization-insensitive absorber based on gradient structure metamaterial

Cited by 42 publications

References 6 publications

Development of Metamaterial EBG Absorbers for Application of Wireless Inter/Intrachip Communication Systems

Development of Metamaterial EBG Absorbers for Application of Wireless Inter/Intrachip Communication Systems

A band enhanced metamaterial absorber based on E-shaped all-dielectric resonators

An extremely wideband and lightweight metamaterial absorber

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