Zobrazeno 1 - 10
of 1 102
pro vyhledávání: '"hyperbolic metamaterials"'
Autor:
Hussein A. Elsayed, Aliaa G. Mohamed, Ahmed M. El-Sherbeeny, Arafa H. Aly, Mostafa R. Abukhadra, Wail Al Zoubi, Ahmed Mehaney
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract This paper seeks to progress the field of topological photonic crystals (TPC) as a promising tool in face of construction flaws. In particular, the structure can be used as a novel temperature sensor. In this regard, the considered TPC struc
Externí odkaz:
https://doaj.org/article/925160b85255469db169c0af60fcd5e9
Publikováno v:
Advanced Materials Interfaces, Vol 11, Iss 21, Pp n/a-n/a (2024)
Abstract Hybrid metamaterials (HMs) have attracted significant research interests owing to their unique optical properties and their ability to manipulate light‐matter interaction in a novel and controlled fashion beyond what any single material of
Externí odkaz:
https://doaj.org/article/e35f948b45ab4b759f61959da70c2816
Autor:
Mai Medhat, Cherstina Malek, Mehdi Tlija, Mostafa R. Abukhadra, Stefano Bellucci, Hussein A. Elsayed, Ahmed Mehaney
Publikováno v:
Nanomaterials, Vol 14, Iss 21, p 1734 (2024)
In this study, we demonstrate the reflectance spectrum of one-dimensional photonic crystals comprising two different types of metamaterials. In this regard, the designed structure can act as a simple and efficient detector for fat concentrations in m
Externí odkaz:
https://doaj.org/article/3b6ececdb3ab439481b14688d0fd2bbd
All-Optical Switching Using Cavity Modes in Photonic Crystals Embedded with Hyperbolic Metamaterials
Publikováno v:
Crystals, Vol 14, Iss 9, p 787 (2024)
Hyperbolic metamaterials (HMMs) are highly anisotropic materials with the unique property of generating electromagnetic modes. Understanding how these materials can be applied to control the propagation of light waves remains a major focus in photoni
Externí odkaz:
https://doaj.org/article/12fc9747a91d4d1b9a54899b8eff3b15
Publikováno v:
Photonics, Vol 11, Iss 4, p 356 (2024)
We introduce a groundbreaking plasmonic metamaterial, the Nano-Hemisphere on Hyperbolic Metamaterial (NHoHMM), which involves the fabrication of Ag nano-hemispheres on a multilayered Ag/SiO2 structure, achieved solely through sputtering and heat trea
Externí odkaz:
https://doaj.org/article/d73a4549a39e48ee982779083853a981
Autor:
Vittorio Aita, Anatoly V. Zayats
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 1, Pp 1-8 (2023)
Vector vortex beams which possess complex intensity and polarisation patterns, and phase or polarisation singularities are important in a variety of applications ranging from high resolution imaging and data transmission to nonlinear optics and quant
Externí odkaz:
https://doaj.org/article/76b306fe8efa4ccdb7f8cfc944624e8c
Publikováno v:
Results in Physics, Vol 51, Iss , Pp 106717- (2023)
The transmission characteristics are presented for the sandwich composite structure containing hyperbolic metamaterials (HMMs) and graphene. The numerical results show that the high transmittance (larger than 0.9) within a ultra wide incident angle r
Externí odkaz:
https://doaj.org/article/20b0d14263e4406c970f56791b8d46d4
Publikováno v:
Results in Physics, Vol 49, Iss , Pp 106522- (2023)
A surface plasmon resonance (SPR) sensor unitizing hyperbolic metamaterial (HMM) composing by a few pairs of Au and ITO layers was proposed. The sensing performance of Au/ITO-HMM sensor was demonstrated to be tuned by the metal filling fraction and t
Externí odkaz:
https://doaj.org/article/82859e53c8554dbc8af425bebc7ccb49
Publikováno v:
Results in Physics, Vol 49, Iss , Pp 106477- (2023)
Terahertz sensing has an important position in biochemical detection due to its unique advantages. In this work, we design a sensor with tunable analytes refractive index interval using graphene/dielectric multilayer structured hyperbolic metamateria
Externí odkaz:
https://doaj.org/article/63b62e3e8bf84e40ad0b00b523bd8c50
Autor:
Nirali A. Bhatt, Robynne L. Paldi, James P. Barnard, Juanjuan Lu, Zihao He, Bo Yang, Chao Shen, Jiawei Song, Raktim Sarma, Aleem Siddiqui, Haiyan Wang
Publikováno v:
Crystals, Vol 14, Iss 1, p 65 (2024)
ZnO-Au nanocomposite thin films have been previously reported as hybrid metamaterials with unique optical properties such as plasmonic resonance properties and hyperbolic behaviors. In this study, Au composition in the ZnO-Au nanocomposites has been
Externí odkaz:
https://doaj.org/article/4a63b25d75024f7ca99a6302d7b740f4