Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Walied Sabra"'
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-15 (2023)
Abstract The light-slowing effect near band endpoints is frequently exploited in photonic crystals to enhance the optical transmittance. In a one-dimensional binary photonic crystal (1DPC) made of hyperbolic metamaterials (HMMs), we theoretically exa
Externí odkaz:
https://doaj.org/article/958550efcb4a4caabe5e3140daa6153d
Transmittance properties of one-dimensional metamaterial nanocomposite photonic crystal in GHz range
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-14 (2022)
Abstract We have theoretically demonstrated and explored the transmittance characteristics of a one-dimensional binary photonic crystal composed of metamaterial (MM) and nanocomposite (NC) layers. The NC layer was designed from silver nanoparticles (
Externí odkaz:
https://doaj.org/article/6c9947e3a4524e6ebce47fec045402b0
Autor:
C. Malek, M. Al-Dossari, S. K. Awasthi, Z. S. Matar, N. S. Abd El-Gawaad, Walied Sabra, Arafa H. Aly
Publikováno v:
Crystals, Vol 12, Iss 4, p 540 (2022)
The present research is focused on the externally tunable defect mode properties of a one dimensional (1D) defective photonic crystal (DPhC) for fast detection of cancerous brain tumors. The proposed design has utilized conventional 1D DPhC whose cav
Externí odkaz:
https://doaj.org/article/444cfe6cef1a4cf9a887714080cb8998
Autor:
Arafa H. Aly, S. K. Awasthi, A. M. Mohamed, Z. S. Matar, M. A. Mohaseb, M. Al-Dossari, M. T. Tammam, Zaky A. Zaky, A. F. Amin, Walied Sabra
Publikováno v:
Crystals, Vol 11, Iss 12, p 1533 (2021)
In this manuscript, we have explored the photonic biosensing application of the 1D photonic crystal (PhC) (AB)NCDC(AB)N, which is capable of detecting reproductive progesterone and estradiol hormones of different concentration levels in blood samples
Externí odkaz:
https://doaj.org/article/844ec18786574a63b677bbfa3d07aa82
Publikováno v:
Zeitschrift für Naturforschung A. 78:249-261
The present study intends to solve the problem of low-temperature sensitivity of most conventional period materials. A solid/solid one-dimensional phononic crystal design is proposed as a pragmatic thermal sensor. Here, each unit cell of the proposed
Photonic crystal nanostructure as a photodetector for NaCl solution monitoring: theoretical approach
Autor:
Abdulkarem H. M. Almawgani, Hussein A. Elsayed, Ahmed Mehaney, T. A. Taha, Ziyad Awadh Alrowaili, Ghassan Ahmed Ali, Walied Sabra, Sayed Asaduzzaman, Ashour M. Ahmed
Publikováno v:
RSC Advances. 13:6737-6746
In this research, we have a theoretical simple and highly sensitive sodium chloride (NaCl) sensor based on the excitation of Tamm plasmon resonance through a one-dimensional photonic crystal structure.
Autor:
Abdulkarem H. M. Almawgani, Hussein A. Elsayed, Ahmed Mehaney, Arvind Sharma, Ashour M. Ahmed, Ghassan Ahmed Ali, Walied Sabra
Publikováno v:
International Journal of Modern Physics B.
In this research, a one-dimensional photonic crystal with such a novel and simple design is introduced to serve as an efficient reflector for infrared (IR) wavelengths. The construction of the proposed photonic crystal design based on the gyroidal ge
Publikováno v:
Scientific reports. 13(1)
The light-slowing effect near band endpoints is frequently exploited in photonic crystals to enhance the optical transmittance. In a one-dimensional binary photonic crystal (1DPC) made of hyperbolic metamaterials (HMMs), we theoretically examined the
Publikováno v:
Optical and Quantum Electronics. 54
Autor:
Walied Sabra, Arafa H. Aly
Publikováno v:
Optical and Quantum Electronics. 53
In the present work, we demonstrate a comparative theoretical study for the effective surface impedance (ESI) of a HTc superconducting thin film through different electromagnetic spectrum regions such as the visible, near-infrared (NIR), and mid-infr