Results 1 to 10 of about 9,076 (164)

Hybrid FDTD algorithm for electromagnetic analysis of fine structures

open access: yesResults in Physics, 2021
A new hybrid Finite-Difference Time-Domain (hybrid FDTD) algorithm is proposed in this paper. This hybrid FDTD method combines the superiorities of explicit unconditionally stable FDTD (US-FDTD) and traditional FDTD methods to achieve unconditional ...
Bing Wei, Xinbo He, Yiwen Li
exaly   +3 more sources

Partially Implicit FDTD (PI-FDTD) Method for Lower Dispersion and Anisotropic Errors

open access: yesIEEE Access, 2022
A new partially implicit 3D FDTD (PI-FDTD) method is introduced. The method is not unconditionally stable, but its stability limit is 6 times higher than that of the classic Yee’s FDTD method.
Mehmet Kusaf, Abdullah Yucel Oztoprak
doaj   +2 more sources

A comparative study of propagation delay applied on varieties carbon nanotubes Bundles interconnects using the FDTD and the ABCD matrix method [PDF]

open access: yesITM Web of Conferences, 2023
Due to their hilarious properties, carbon nanotubes (CNTs) with their different varieties have been suggested as potential alternatives for interconnects in many industrial applications related to Artificial Intelligence.
Nadir Youssef   +4 more
doaj   +1 more source

Компьютерная симуляция распространения плоской электромагнитной волны в волноводе образованном поверхностью Земли и ионосферой при условии неоднородной проводимости границ

open access: yesVestnik KRAUNC: Fiziko-Matematičeskie Nauki, 2023
В статье приводятся результаты компьютерного моделирования распространения плоской электромагнитной волны. Грозовые разряды являются естественными источниками импульсного электромагнитного излучения (атмосферика).
Твёрдый, Д.А.   +1 more
doaj   +1 more source

Design of Biosensor for Diagnosis of Bio-molecules Using Surface Enhanced Raman Spectroscopy [PDF]

open access: yesInternational Journal of Biophotonics and Biomedical Engineering, 2021
In recent years, surface enhanced Raman Spectroscopy (SERS) method have been applied in the area of biotechnology, nanotechnology and diagnostic issues. For that, nanoparticles have been arranged near the flat film structure.
Babak Hassanshahi   +1 more
doaj   +1 more source

The investigation of the features of focusing vortex super-Gaussian beams with a variable-height diffractive axicon

open access: yesКомпьютерная оптика, 2021
Spatial intensity distributions of the Laguerre-superGauss modes (1,0) as well as a super-Gaussian beam with radial and circular polarization were investigated versus changes in the height of a diffractive axicon.
D.A. Savelyev
doaj   +1 more source

Математическое моделирование распространения плоской электромагнитной волны в полосковом волноводе с неоднородной проводимостью границ

open access: yesVestnik KRAUNC: Fiziko-Matematičeskie Nauki, 2022
В статье проводится математическое моделирование электромагнитной динамики атмосферика. Атмосферик – широкополосный сигнал с максимумом интенсивности в диапазоне частот 8-10 кГц, который распространяется в виде плоской электромагнитной волны в сложной ...
Твёрдый, Д.А.   +2 more
doaj   +1 more source

Implementation of the Hybrid ADI-FDTD Scheme to Maxwell Equation for Mathematical Modeling of Breast Tumor

open access: yesJournal of Mathematical Sciences and Modelling, 2023
Breast cancer is the most common cancer in women, and non-destructive detection of the tumor is vital. The interaction of electromagnetic waves with breast tissue and the behavior of waves after interaction are used to model tumor detection ...
Ümmü Şahin Şener
doaj   +1 more source

Research Paper: Design of Simple Plasmonic Sensors based on Graphene Circles in THZ Region [PDF]

open access: yesفیزیک کاربردی ایران, 2023
The design of optical sensors in the THz region for application in various fields of biological and medical sciences has significantly expanded in the last two decades.
Fatemeh Mehdizadeh   +1 more
doaj   +1 more source

Analysis of Graphene Pythagoras Tree Fractal Antenna with Thin SiO2 Substrate in Terahertz Regime

open access: yesAnnals of West University of Timisoara: Physics, 2023
The Pythagoras Tree Fractal patch is considered on a SiO2 substrate thickness of 1.5 µm to radiate at four frequencies of 4.975THz, 5.38THz, 6.73THz, and 7.61THz with Voltage Standing Wave Ratio (VSWR) ≤ 2.
Hafdi Zakarya   +3 more
doaj   +1 more source

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