Switchable reflective metamaterial polarisation rotator

Saikia, Mondeep; Ghosh, Saptarshi; Srivastava, Kumar Vaibhav

doi:10.1049/el.2016.0742

Cited by 13 publications

(5 citation statements)

References 5 publications

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“…Also published are several active polarisation rotators based on tunable metasurface with varactor diodes [15] or with PIN diodes that allow switching the polarisation conversion on and off [19], [20].…”

Section: Introductionmentioning

confidence: 99%

Reflective Switchable Polarization Rotator Based on Metasurface With PIN Diodes

Cerveny

Ford

Tennant

2021

IEEE Trans. Antennas Propagat.

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Section: Introductionmentioning

confidence: 99%

Reflective Switchable Polarization Rotator Based on Metasurface With PIN Diodes

Cerveny

Ford

Tennant

2021

IEEE Trans. Antennas Propagat.

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“…Another switchable design, in Reference , has been developed by Li et al that can be switched between absorber and radiator with the help of PIN diodes. Recently, this concept of multifunctionality was incorporated in polarization conversion . Saikia et al developed a switchable metasurface which act as a reflector and wideband polarization converter by switching the state of PIN diode .…”

Section: Introductionmentioning

confidence: 99%

“…Recently, this concept of multifunctionality was incorporated in polarization conversion. 26,27 Saikia et al developed a switchable metasurface which act as a reflector and wideband polarization converter by switching the state of PIN diode. 26 By varying the voltage of the varactor diode, a butterfly-shaped metasurface 27 is reported where reconfigurability between linear polarization and circular polarization is obtained.…”

Section: Introductionmentioning

confidence: 99%

“…26,27 Saikia et al developed a switchable metasurface which act as a reflector and wideband polarization converter by switching the state of PIN diode. 26 By varying the voltage of the varactor diode, a butterfly-shaped metasurface 27 is reported where reconfigurability between linear polarization and circular polarization is obtained. Generally, absorbers and polarization converters are always constructed and used separately.…”

Section: Introductionmentioning

confidence: 99%

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Dual‐band multifunctional metasurface for absorption and polarization conversion

Dutta

Mitra

Ghosh

2020

Int J RF Microw Comput Aided Eng

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In this paper, a multifunctional metasurface capable of switching between an absorber and a polarization converter is presented. The active metasurface comprises diamond‐shaped unit cells embedded with PIN diodes. The characteristic of the design lies in its capability of exhibiting multifunctionality at the same frequency of operation. The structure behaves as an absorber and linear polarization converter around 15 and 17 GHz when the PIN diode is switched ON and OFF, respectively. The working principle is demonstrated with the help of simulated results. Finally, the design is fabricated and measured, and it is seen that the results are in accordance with that of the simulated ones, establishing the concept behind switchability of absorber and polarization converter.

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“…In this work, we mainly deal with reflection-type PRSs. The most popular reflection-type PRSs are based on split ring resonators [16,17], V-shaped resonators [18], W-shaped resonators [19,20], U-shaped resonators [21], or different sizes of metallic patterns [22,23]. These kinds of PRSs usually have the advantages of broadband operation, low insertion loss (IL), and high polarisation conversion ratio (PCR).…”

mentioning

confidence: 99%

Synthesis of a polarisation‐rotating surface with reflective filtering response based on orthogonally inserted coupled slot‐lines

Wei

et al. 2023

IET Microwaves Antenna & Prop

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In this article, a three-dimensional polarisation-rotation surface (PRS) with reflective filtering response based on two orthogonally inserted coupled slot-line is investigated, which can reflect a vertically/horizontally polarised incident wave by 90°. Each unit cell of the PRS is composed of a pair of meandered slot-line sections with open-short-ends etched on the vertically and horizontally inserted single-layer printed circuit boards. Under the incidence of a linearly polarised plane wave along the vertical/horizontal direction, the plane wave is converted into the guided wave by the open-circuited end of the slot-line section, and then the guided wave is obstructed by the short end of the slot-line section and coupled to the other slot-line section, thus leading to 90°polarisation rotation. To simplify the design procedure, a matrix coupling theory is applied to synthesise and design the proposed PRS. A sample with fractional bandwidth of 20% at the centre frequency of 5 GHz and return loss of 20 dB is designed, fabricated, and measured for verification. The measured and simulated results are in good agreement with the theoretical ones. The results confirm that the proposed PRS has low insertion loss, high polarisation conversion ratio, and stable filtering performance for oblique incident angle up to 60°. K E Y W O R D Sfiltering theory, frequency selective surfaces, polarisation | INTRODUCTIONFrequency selective surfaces (FSSs) are kinds of spatial filters manipulating electromagnetic (EM) waves that have been widely investigated for decades [1,2]. A traditional FSS is commonly composed of a two-dimensional (2-D) periodic array constructed by metallic patches or apertures etched on a dielectric substrate, which can exhibit bandstop or bandpass filtering performance for the spectral control of incident EM waves [3,4]. Unlike microwave filters, FSSs can not only control the amplitude response related to frequency, but also manipulate the incident angle and polarisation. Benefitting from these advantages, FSSs have been employed in a variety of applications including radomes [5], transmitarray [6], reflectarray [7], polarisation converters [8] etc.Polarisation-rotating surfaces (PRSs) are special kinds of FSSs, which can not only possess the frequency selective property for the incident EM waves, but also rotate the polarisation direction of the incident EM waves into a predictable direction. The special structures have been widely used in applications such as imaging radar [9], modern military stealth radar [10], and secret communication systems [11]. According toThis is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Switchable reflective metamaterial polarisation rotator

Cited by 13 publications

References 5 publications

Reflective Switchable Polarization Rotator Based on Metasurface With PIN Diodes

Reflective Switchable Polarization Rotator Based on Metasurface With PIN Diodes

Dual‐band multifunctional metasurface for absorption and polarization conversion

Synthesis of a polarisation‐rotating surface with reflective filtering response based on orthogonally inserted coupled slot‐lines

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