Near-field electromagnetic coupling between helices

Petrov, P.; Hibbins, Alastair P.; Sambles, J. R.

doi:10.1088/1361-6463/ac1d71

Cited by 6 publications

(1 citation statement)

References 26 publications

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“…Furthermore, it is feasible to determine the equivalent circuit parameters through the relation of them to the even and odd modes (Wu et al , 2022). Besides this, a method for calculating the EM coupling coefficients is presented in Petrov et al (2021).…”

Section: Introductionmentioning

confidence: 99%

An efficient modeling approach of 1D-planar metamaterials in the high-frequency regime

Schiemer

Reum²,

Toepfer³

2023

COMPEL

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Purpose The purpose of this paper is to present an alternative modeling approach in terms of the determination of a physically equivalent circuit model for one-dimensional (1D) planar metamaterials in the high-frequency regime, without a postprocessing optimization procedure. Thereby, an efficient implementation of physical relationships is aimed. Design/methodology/approach In this paper, a method based on quasi-stationary simulations and mathematical conversions to derive the values for a physically equivalent circuit model is proposed. Because the electromagnetic coupling mechanisms are investigated in detail, a simplification for the considered multiconductor transmission line structure is achieved. Findings The results show that the proposed modeling approach is an efficient and physically meaningful alternative to classical full-wave simulation techniques for the investigated inhomogeneous transmission line structure in both the time domain as well as in the frequency domain. In the course of this, the effort is reduced while a comparable accuracy is maintained, whereby specific coupling mechanisms are considered in circuit simulations. Originality/value The process to obtain information about physically interpretable lumped element values for a given structure or to determine a layout for known ones is simplified with the aid of the proposed approach. An advantageous adaption of the presented procedure to other areas of application is well conceivable.

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Section: Introductionmentioning

confidence: 99%

An efficient modeling approach of 1D-planar metamaterials in the high-frequency regime

Schiemer

Reum²,

Toepfer³

2023

COMPEL

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Designing a square periodic racemic helix photonic metamaterial using phase-controlled interference lithography for tailored chiral response

Pandey,

Samanta,

Ahuja

et al. 2024

Optics & Laser Technology

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Tailoring the dispersion characteristics in planar arrays of discrete and coalesced split ring resonators

Spanos,

Stevens,

Solymar

et al. 2023

Sci Rep

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In this report, the coupling and dispersion characteristics of discrete and coalesced square resonators was investigated in the MHz regime. Resonators with one and three gaps were considered. When the resonators are not in direct contact, the number of gaps has little effect upon the total coupling, which is negative. When the resonators are connected so that they share one side, the coupling can change drastically depending on the number of gaps. In particular, when the shared side has a gap, the total coupling coefficient switches to positive values, making it possible for forward travelling waves to propagate on arrays. Experimental, numerical and analytical data verify this behaviour.

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Near-field electromagnetic coupling between helices

Cited by 6 publications

References 26 publications

An efficient modeling approach of 1D-planar metamaterials in the high-frequency regime

An efficient modeling approach of 1D-planar metamaterials in the high-frequency regime

Designing a square periodic racemic helix photonic metamaterial using phase-controlled interference lithography for tailored chiral response

Tailoring the dispersion characteristics in planar arrays of discrete and coalesced split ring resonators

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