Results 11 to 20 of about 2,196 (202)

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

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

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

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

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

Research on Crosstalk Characteristics between Intersecting Polymer Micro-nano Fibers

open access: yesGuangtongxin yanjiu, 2021
In order to reduce the crosstalk between the densely arranged polymer micro-nano fibers, this paper proposes to analyze the dependence of crosstalk on the intersection angle, diameter, separation, modal polarizations and wavelength of two intersecting ...
Yu-ling SHANG   +3 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

Features of a Gaussian beam near-field diffraction upon variations in the relief height of subwavelength silicon optical elements

open access: yesКомпьютерная оптика, 2023
Features of the near-field diffraction of Gaussian beams and Laguerre-Gauss modes by silicon subwavelength optical elements with varying relief height were studied in this paper using a finite-difference time-domain method.
D.A. Savelyev
doaj   +1 more source

Analysis of Specific absorption rate in the human head model exposed to radiofrequency radiation [PDF]

open access: yesKragujevac Journal of Science, 2023
As mobile phones have become a necessity in modern society, and there is an increasing number of users of various ages, it is imperative to investigate the impact of mobile phone radiofrequency electromagnetic radiation (RF) on humans.
Milošević Marko M.   +5 more
doaj  

Home - About - Disclaimer - Privacy