Results 181 to 190 of about 6,077 (234)

Transient response of terahertz emitter using finite-difference time-domain (FDTD) method

1998 IEEE Sixth International Conference on Terahertz Electronics Proceedings. THZ 98. (Cat. No.98EX171), 1998
The transient response and the radiation pattern of the various terahertz dipole antenna were successfully obtained using FDTD method. As a result, a design guideline was presented for the trade-off between the peak height and the 3-dB bandwidth. In addition, the effect of the electrode shape and the laser beam position on the photoconductive switch ...
null Heeseok Lee, null Jaehoon Lee, Joungho Kim   +2 more
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Analysis of interconnect lines using the finite‐difference time‐domain (FDTD) method

Microwave and Optical Technology Letters, 2002
AbstractIn this Letter the coupling effect (cross talk) in parallel microstrip interconnects is analyzed with the use of the finite‐difference–time‐domain (FDTD) method. The interconnects are terminated either by lumped elements or by a perfectly matched layer (PML), and the results obtained from these two methods are compared. © 2002 Wiley Periodicals,
Nader Farahat, Hany E. Abd El‐Raouf, Raj Mittra   +2 more
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Wafer 3D effect study with finite difference time domain (FDTD) simulation method

2015 China Semiconductor Technology International Conference, 2015
As the technology reaches the 2x nm node in semiconductor manufacture, wafer 3-dimensional topography proximity effects (W3D) becomes more and more challenging during lithography process, especially for the implantation layers. This effect is caused by the light reflection from the substrate during wafer-exposure process, which can cause the linewidth ...
null Liwan Yue, null Huayong Hu, null Chang Liu, null Qiang Wu   +3 more
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High-density optical disk structure analysis with finite–difference time-domain (FDTD) method

Optical Data Storage, 2003
A method for high-density optical disk structure design using computational electromagnetic FDTD analysis is proposed. The land-groove structures of phase-change optical disk with blue laser and high-NA system are investigated.
J.M. Li, L. P. Shi, K. G. Lim, X. S. Miao, R. Zhao, T.C. Chong   +5 more
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Parallel implementations of the finite difference time domain (FDTD) method

Second International Conference on Computation in Electromagnetics, 1994
In this paper different parallel and sequential implementations of the finite difference time domain (FDTD) method are evaluated. The performance of current sequential architectures are first investigated. Possible improved performances from different parallel architectures are then examined.
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A new higher-order subgridding method for finite difference time domain (FDTD) algorithm

IEEE Antennas and Propagation Society International Symposium. 1998 Digest. Antennas: Gateways to the Global Network. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.98CH36194), 2002
In this paper the authors present a general subgridding scheme for enhancing the finite difference time domain (FDTD) algorithm. It is different from the conventional approaches in that it does not employ weighted averages of the electric or magnetic fields in the transition zone from the coarse to the fine grid regions, but employs a novel procedure ...
null Wenhua Yu, null Raj Mittra
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Analysis of frequency selective surfaces using the finite difference time domain (FDTD) method

IEEE Antennas and Propagation Society International Symposium (IEEE Cat. No.02CH37313), 2003
While the method of moments (MoM) is well suited for analyzing the thin, planar, patch-type of frequency selective surface (FSS) elements, the same cannot be said for arbitrary elements that have a finite thickness, and are inhomogeneous in nature. We employ a periodic version of the finite difference time domain (FDTD) algorithm to analyze the effect ...
N. Farahat, R. Mittra
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Application of FPGA technology to accelerate the finite-difference time-domain (FDTD) method

Proceedings of the 2002 ACM/SIGDA tenth international symposium on Field-programmable gate arrays - FPGA '02, 2002
The continuing advances in the field of electrical engineering, in areas like cellular communications, fiber optics, mobile and multi-gigahertz electronics have necessitated a computer-assisted design approach to the complex electromagnetic interactions and problems that arise.
Ryan N. Schneider, Laurence E. Turner, Michal M. Okoniewski   +2 more
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Design of optimum terahertz transient response using finite-difference time-domain (FDTD) method

Conference Proceedings. LEOS'98. 11th Annual Meeting. IEEE Lasers and Electro-Optics Society 1998 Annual Meeting (Cat. No.98CH36243), 1998
Summary form only given. The efficient generation of high intensity and high bandwidth terahertz radiation using photoconductive antenna has attracted lots of interest for terahertz imaging. Increasing the static field at the point of optical-pulse illumination between the photoconductive gap has enhanced the intensity of the terahertz radiation ...
null Heeseok Lee, null Jongjoo Lee, null Woopoung Kim, null Jaehoon Lee, Joungho Kim   +4 more
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Appendix C. The finite-difference time-domain (FDTD) method

2018
The simulations used in this work were all done using the finite-difference timedomain (FDTD) method. One of a fairly large number of methods and variations on methods applicable to the simulation of electromagnetic fields, the FDTD is particularly simple and intuitive, and its application is well adapted to computation of high-frequency ...
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