Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Zahra Hamzavi-Zarghani"'
Autor:
Mirko Barbuto, Zahra Hamzavi-Zarghani, Michela Longhi, Angelica Viola Marini, Alessio Monti, Davide Ramaccia, Stefano Vellucci, Alessandro Toscano, Filiberto Bilotti
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 3, Pp 135-153 (2022)
The development of the next generation of wireless systems is bringing renewed attention to the physical layer of the communication link. Indeed, the new low-latency requirements cannot be satisfied relying only upon the extreme virtualization of the
Externí odkaz:
https://doaj.org/article/ec6dfdeae48c42959110dbfc56b14ec1
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
Abstract In this paper, two optimization algorithms (randomly initialized hill climbing and genetic algorithms) are considered to design broadband polarization converters based on coded metasurfaces. A pixeled graphene patch with an elliptic structur
Externí odkaz:
https://doaj.org/article/9b524823cc9149f2910ad5fed5209065
Publikováno v:
IEEE Access, Vol 7, Pp 15556-15562 (2019)
Nanostructured graphene metasurface is considered for the dynamically tunable scattering manipulation of dielectric and conducting cylinders. It is analytically shown that changing scattering width of dielectric and conducting cylinders into one of t
Externí odkaz:
https://doaj.org/article/9aa75bc537e44f1b92ee93c68180450d
Publikováno v:
IEEE Transactions on Antennas and Propagation. 69:5181-5186
This communication presents the design of a Huygens’ metasurface (HMS) coating aiming to achieve strongly enhanced invisibility. An analytical formulation for obtaining the required electric surface admittance and magnetic surface impedance is pres
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ca2402937c54e93d5a8e3a371daf311
https://doi.org/10.1109/tap.2021.3060022
https://doi.org/10.1109/tap.2021.3060022
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
Scientific Reports
Scientific Reports
In this paper, two optimization algorithms (randomly initialized hill climbing and genetic algorithms) are considered to design broadband polarization converters based on coded metasurfaces. A pixeled graphene patch with an elliptic structure is prop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::821e1d7b5b7a7e4448f4d46be8d18842
https://doaj.org/article/9b524823cc9149f2910ad5fed5209065
https://doaj.org/article/9b524823cc9149f2910ad5fed5209065
Autor:
S. Vellucci, Mirko Barbuto, Alessandro Toscano, Alessio Monti, Zahra Hamzavi-Zarghani, Michela Longhi, Filiberto Bilotti, Davide Ramaccia
So far, the environment has been considered as a source of fading, clutter, blockage, etc., with detrimental consequences for the efficiency and robustness of communication systems. However, the intense research developed toward beyond-5G communicati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::576ba736172297c09798ec4c8dcaea76
https://hdl.handle.net/11590/404300
https://hdl.handle.net/11590/404300
Publikováno v:
Applied Physics Letters. 121:192202
Energy confinement plays an important role in improving wave–matter interactions, enabling applications such as sensing, lasing, and filtering. One convenient solution for achieving large energy-confinement is based on embedded eigenstates, i.e., n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::53efc72a7dd024eeefb08ca25659c9a4
https://doi.org/10.1063/5.0114885
https://doi.org/10.1063/5.0114885
Publikováno v:
2021 International Conference on Electromagnetics in Advanced Applications (ICEAA).
A metasurface based on graphene strips is proposed to cloak a dielectric cylinder under illumination of TEz and TMz polarized incident waves in terahertz range. According to the in plane effective surface impedance tensor for the considered metasurfa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b13cfc8490ff2ae027362e132583d7c1
https://doi.org/10.1109/iceaa52647.2021.9539680
https://doi.org/10.1109/iceaa52647.2021.9539680
Publikováno v:
IEEE Access, Vol 7, Pp 15556-15562 (2019)
Nanostructured graphene metasurface is considered for the dynamically tunable scattering manipulation of dielectric and conducting cylinders. It is analytically shown that changing scattering width of dielectric and conducting cylinders into one of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4dd1cc324ce4e045e971e5d0a9803f09
https://doi.org/10.1109/access.2019.2894760
https://doi.org/10.1109/access.2019.2894760
In recent years, cloaking using materials with negative electric permittivity or magnetic permeability has been studied and researched. It has been demonstrated that covering an object with a cloak that has negative electric permittivity or magnetic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5befbe1f3b471cf06eea3fe86a432628
https://doi.org/10.21203/rs.3.rs-494808/v1
https://doi.org/10.21203/rs.3.rs-494808/v1