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Publikováno v:
Results in Physics, Vol 29, Iss, Pp 104707-(2021)
A refractive-index (RI) sensor based on photonic crystal fiber (PCF) and surface plasmon resonance (SPR) is proposed and demonstrated in this paper. The influences induced by the changes of the diameter of gold nanowire, air-hole spacing, diameter of
Publikováno v:
Results in Physics, Vol 28, Iss, Pp 104702-(2021)
In this paper, we proposed polarization-dependent terahertz reflective beam splitters under normal incidence, in which resonance-domain diffraction gratings with period comparable to incident wavelength are adopted to achieve multi-channel beam separ
Autor:
Heng Luo, Fahmi F. Muhammadsharif, Yadgar I. Abdulkarim, Mehmet Bakir, Fatih Özkan Alkurt, Şekip Dalgaç, Halgurd N. Awl, Muharrem Karaaslan
Publikováno v:
Results in Physics, Vol 26, Iss, Pp 104344-(2021)
In this work, a new metamaterial design is proposed to yield an ultra-thin and dual band metamaterials perfect absorber (MPA) to be operated in the frequency range from 15 to 35 THz. The proposed structure is consisted of a copper resonator deposited
Publikováno v:
Results in Physics, Vol 26, Iss, Pp 104439-(2021)
This study demonstrates the polarization-maintaining (PM) solid-core anti-resonant fiber (SC-ARF) in mid-infrared region (MIR) for the first time. Numerical simulation results indicated that the fundamental mode (FM) birefringence could be induced by
Publikováno v:
Results in Physics, Vol 25, Iss, Pp 104214-(2021)
Microwave flexible dielectric materials offer a new set of attractive applications for modern devices as well as for metamaterial research and technology. In this article, metamaterials with double-negative characteristics fabricated on a novel flexi
Autor:
Jamel Nebhen, Mohammad Tariqul Islam, Mehedi Hasan, Ahmed Mahfuz Tamim, Mohammad Rashed Iqbal Faruque
Publikováno v:
Results in Physics, Vol 24, Iss, Pp 103985-(2021)
A metasurface absorber developed using binary-coded unit cells and with the combination of coded unit cells resulted in excellent polarization insensitiveness, symmetrical characteristics, and tunable characteristics. As for binary patterns using the
Autor:
David R. Smith, Xiaoyan Shi, Yuhao Zhang, Yandong Fan, Meng Dejia, Enzhu Hou, Zhongzhu Liang, Zheng Qin
Publikováno v:
Results in Physics, Vol 24, Iss, Pp 104129-(2021)
We design and numerically analyze a Fano resonance device based on periodical all-dielectric “lucky knot” shaped nanostructure in the mid-infrared region with high sensitivity, which is insensitive to polarization and incident angle. The proposed
Publikováno v:
Results in Physics, Vol 24, Iss, Pp 104146-(2021)
This paper proposes an ultra-broadband absorber numerically demonstrated with the finite-difference-time-domain method (FDTD). The absorber is composed of a bottom layer of refractory metal tungsten (W), an intermediate dielectric layer of aluminum t