Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Ehsan Zareian-Jahromi"'
Publikováno v:
Results in Physics, Vol 65, Iss , Pp 107965- (2024)
In this paper, we present a graphene-based metamaterial ultrawideband absorber operating in the terahertz regime. The absorber is composed of two patterned and continuous graphene layers, a bottom gold layer, and a SiO2 substrate that separates the c
Externí odkaz:
https://doaj.org/article/dfbef9e31d40406ba31490f9f4593fc0
Publikováno v:
Engineering Science and Technology, an International Journal, Vol 22, Iss 3, Pp 862-868 (2019)
In this paper, a third-order band-pass frequency selective surface (FSS) filter is proposed for terahertz applications. The presented FSS filter is designed based on miniaturized unit cells and a fractional bandwidth of 72% around 0.775 THz is achiev
Externí odkaz:
https://doaj.org/article/69efeeab80ed45d09a6144d7b10623a0
Publikováno v:
International Journal of Microwave and Wireless Technologies. 14:601-608
In this paper, a tri-band metamaterial (MTM) loaded compact monopole antenna is proposed. In the first step of design procedure, a rectangular monopole antenna is improved by replacing the corresponding rectangular patch with a ring resonator. As a r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43867719ef5a626bf6cc01e5d6eca00e
https://doi.org/10.1017/s1759078721000702
https://doi.org/10.1017/s1759078721000702
Publikováno v:
Plasmonics. 16:1865-1876
In this paper, an evolutionary optimization procedure is presented to generate band-pass metasurface-based filters in terahertz regime. As a measure of novelty, pass-band, transition, and out-band characteristics are investigated separately, all of w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de943004d3686f8f6d3b1f87783bc80a
https://doi.org/10.1007/s11468-021-01450-5
https://doi.org/10.1007/s11468-021-01450-5
Publikováno v:
Plasmonics. 15:1835-1843
In this paper, a non-structured graphene sheet loaded with a sinusoidal-patterned dielectric is introduced as an ultra-wideband metamaterial absorber in terahertz regime. Regardless of conventional structures with multilayered-graphene, a single laye
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8fd28cb094502b71d9e8e7d48ed526d8
https://doi.org/10.1007/s11468-020-01203-w
https://doi.org/10.1007/s11468-020-01203-w
Publikováno v:
Plasmonics. 15:1313-1322
In this paper, a reconfigurable beam-scanning planar antenna is proposed in terahertz frequencies. The presented structure consists of a semi bow tie antenna surrounded by circularly arranged parasitic pieces of graphene. The performance of the propo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8b5fa965d3ec6a6a27bbd28988528319
https://doi.org/10.1007/s11468-020-01153-3
https://doi.org/10.1007/s11468-020-01153-3
Publikováno v:
Journal of Computational Electronics. 19:469-481
An optimization-based metasurface is proposed and employed to design a wideband single-layer reflectarray antenna for use in the terahertz (THz) regime. The random hill-climbing optimization method is utilized to obtain a wideband unit cell. A multio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ed83d7371a99532e951f37e717229a8d
https://doi.org/10.1007/s10825-019-01435-y
https://doi.org/10.1007/s10825-019-01435-y
Publikováno v:
Optical and Quantum Electronics. 54
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cb52b2a798964eb2a55a7ce409bda535
https://doi.org/10.1007/s11082-021-03434-5
https://doi.org/10.1007/s11082-021-03434-5
Publikováno v:
International Journal of RF and Microwave Computer-Aided Engineering. 32
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c79b137113ff4b711cc0388e898756fc
https://doi.org/10.1002/mmce.23056
https://doi.org/10.1002/mmce.23056
Publikováno v:
Engineering Science and Technology, an International Journal, Vol 22, Iss 3, Pp 862-868 (2019)
In this paper, a third-order band-pass frequency selective surface (FSS) filter is proposed for terahertz applications. The presented FSS filter is designed based on miniaturized unit cells and a fractional bandwidth of 72% around 0.775 THz is achiev
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ee8767a49d5e983a62e16e6873f5178e
http://www.sciencedirect.com/science/article/pii/S2215098618319499
http://www.sciencedirect.com/science/article/pii/S2215098618319499