Results 31 to 40 of about 64,191 (298)

A FDTD model for the post-reception synthetic focusing surface penetrating radar with mine detecting applications [PDF]

open access: yes, 1999
Surface penetrating radar (SPR) is extensively used in military, civil, geophysical and archaeological applications. There has been an increasing emphasis on the use of SPR in the identification of buried unexploded ordnance, such as anti-tank mines ...
Benjamin, R, Hilton, GS, Nilavalan, R
core   +1 more source

AI-Enhanced GWO-FDTD Co-Design of Multi-Band Plasmonic Nanorings for Multiplexed Biosensing [PDF]

open access: yesJournal of Optoelectronical Nanostructures
In this paper, we explore the notable advancements in optical biosensors that have emerged over the past decade. This analysis includes innovative fabrication techniques and the growing areas of application.
Mohsen Nasrolahi   +3 more
doaj   +1 more source

Performance Improvement of Ultrathin CIGS Solar Cells Using Al Plasmonic Nanoparticles: The Effect of the Position of Nanoparticles [PDF]

open access: yesJournal of Optoelectronical Nanostructures, 2020
CIGS solar cells are regarded to be one of the best thin film solar cells withefficiencies up to 22.6%, which exceeds the current multicrystalline Si record efficiency(21.9%).
Ali Abdolahzadeh Ziabari   +3 more
doaj  

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 ...
Sihan Zhao   +4 more
doaj   +1 more source

Efficient Finite-Difference Time-Domain Modeling of Time-Varying Dusty Plasma [PDF]

open access: yesJournal of Electromagnetic Engineering and Science, 2022
The finite-difference time-domain (FDTD) method has been widely used for the electromagnetic analysis of dusty plasma sheath in reentering hypersonic vehicles.
Yong-Jin Kim   +2 more
doaj   +1 more source

Novel structure of optical add/drop filters and multi-channel filter based on photonic crystal for using in optical telecommunication devices [PDF]

open access: yesJournal of Optoelectronical Nanostructures, 2019
In this paper, Using a 2D photonic crystal and a novel square ring resonator,several compact and simple structures have been introduced in the present paper toconstruct optical add/drop filters and multi-channel filter.
Vahid Fallahi, Mahmood Seifouri
doaj  

Perfectly Matched Layer Formulation of the INBC-FDTD Algorithm for Electromagnetic Analysis of Thin Film Materials

open access: yesIEEE Access, 2021
The impedance network boundary condition (INBC)-based finite-difference time-domain (FDTD) method has been widely used for electromagnetic analysis of highly conductive thin film materials.
Sangeun Jang, Kyung-Young Jung
doaj   +1 more source

From Time-Collocated to Leapfrog Fundamental Schemes for ADI and CDI FDTD Methods

open access: yesAxioms, 2022
The leapfrog schemes have been developed for unconditionally stable alternating-direction implicit (ADI) finite-difference time-domain (FDTD) method, and recently the complying-divergence implicit (CDI) FDTD method.
Eng Leong Tan
doaj   +1 more source

A stable subgridding algorithm and its application to eigenvalue problems [PDF]

open access: yes, 1999
In this paper, a new and stable subgridding algorithm is proposed for three-dimensional problems which provides subgridding in both space and time. The concept of an equivalent-circuit representation and a novel leapfrog time integration scheme is used ...
Krishnaiah, KM, Railton, CJ
core   +2 more sources

The treatment of geometrically small structures in FDTD by the modification of assigned material parameters [PDF]

open access: yes, 2005
A number of different improvements to the analysis by finite-difference time-domain (FDTD) of small structures, such as wires, strips and slots have been proposed in the literature.
Craddock, IJ   +3 more
core   +2 more sources

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