Zobrazeno 1 - 10
of 423
pro vyhledávání: '"A. Vallecchi"'
Publikováno v:
International Journal of Antennas and Propagation, Vol 2014 (2014)
Reconfigurable bistate metasurfaces composed of interwoven spiral arrays with embedded pin diodes are proposed for single and dual polarisation operation. The switching capability is enabled by pin diodes that change the array response between transm
Externí odkaz:
https://doaj.org/article/476446aee65543568fa7094f101c349d
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-11 (2023)
Abstract The rapid development of radio frequency (RF) components requires smart multifunctional materials that can adapt their physical shapes and properties according to the environment. While most current reconfigurable systems provide limited fle
Externí odkaz:
https://doaj.org/article/4c61b6bce3fb4687a17d326711951546
Autor:
Yingwei Wu, Andrea Vallecchi, Yunfang Yang, Zhong You, Ekaterina Shamonina, Christopher J. Stevens, Patrick S. Grant
Publikováno v:
IEEE Access, Vol 10, Pp 103552-103562 (2022)
We investigate using a reconfigurable metamaterial structure based on high permittivity dielectric elements in a flexible origami framework to control the electromagnetic response of a suspended patch antenna. Origami-inspired dielectric structures a
Externí odkaz:
https://doaj.org/article/e7a2bd839e454e5ba40db74072b25266
Akademický článek
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Autor:
Lain-Jong Li, Christopher J. Stevens, A. Radkovskaya, Grahame Faulkner, Ekaterina Shamonina, A. Vallecchi
Publikováno v:
Scientific Reports, Vol 10, Iss 1, Pp 1-14 (2020)
Scientific Reports
Scientific Reports
Superdirective antennas developed over the last century have received renewed interest in recent years from the development of metamaterials. These arrays of electromagnetic resonators (or meta-atoms) carrying short wavelength electro- and/or magneto
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e48048fdccece96c9c864df987a43f0e
http://link.springer.com/article/10.1038/s41598-019-56988-6
http://link.springer.com/article/10.1038/s41598-019-56988-6
Publikováno v:
Journal of Applied Physics; 2019, Vol. 125 Issue 1, pN.PAG-N.PAG, 10p, 2 Diagrams, 1 Chart, 7 Graphs
Publikováno v:
EPJ Applied Metamaterials, Vol 5, p 2 (2018)
An approximate solution is developed for the mutual inductance of two circular coils enclosed by insulating cavities in a conducting medium. This solution is used to investigate the variation of the mutual inductance upon the conductivity of the back
Externí odkaz:
https://doaj.org/article/6a5beafc7935471eb5f669a1fa6e8e3e
Akademický článek
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Autor:
Ekaterina Shamonina, A. Vallecchi, Yunfang Yang, Patrick S. Grant, Christopher J. Stevens, Yingwei Wu, Zhong You
We explore the impact of origami structure meta-materials on electromagnetic devices. Here two modular origami-inspired dielectric structures were fabricated by 3D printing with the ability to shift the resonant frequency of patch antennas operating
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::98f09fbdfea50aced20bab7b2e85f4fa
https://doi.org/10.1109/apusncursinrsm.2019.8889209
https://doi.org/10.1109/apusncursinrsm.2019.8889209
Publikováno v:
In Metamaterials 2009 3(1):10-27