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Application of the transmission line matrix method to the calculation of the shielding effectiveness for metallic enclosures
, Article IEEE Antennas and Propagation Society, AP-S International Symposium (Digest) ; Volume 3 , 2002 , Pages 302-305 ; 15223965 (ISSN) ; Barkeshli, K ; Ndagijimana, F ; Dansou, J ; Sharif University of Technology
2002
Abstract
An efficient method for the analysis fo the shielding effectiveness in high frequency communication circuits based on the Transmission Line Matrix (TLM) method is presented. Since the formulation is in the time domain, wide band effects are easily and accurately modeled. Through comparisons, results obtained from that proposed numerical method with those obtained from measurement show that the TLM method gives more accurate results than other methods reported
A hybrid implementation of the TLM method for the analysis of high frequency interference
, Article 2003 Asia-Pacific Conference on Applied Electromagnetics, APACE 2003, 12 August 2003 through 14 August 2003 ; 2003 , Pages 124-127 ; 0780381297 (ISBN); 9780780381292 (ISBN) ; Barkeshli, K ; Ndagijimana, F ; Dansou, J ; Sharif University of Technology
Institute of Electrical and Electronics Engineers Inc
2003
Abstract
An efficient hybrid method is presented for the analysis of the interference phenomenon in high frequency communication circuits. The method is based on the transmission line matrix (TLM) method, augmented with a time domain integral formulation using the free space Green's function to account for the radiation of equivalent sources on boundary surfaces. The method is highly effective in reducing the dispersion effects in the TLM method and drastically reduces its computational intensity. © 2003 IEEE
An efficient analysis of high frequency interference phenomena using a new implementation of the transmission line matrix method
, Article IEEE Antennas and Propagation Society, AP-S International Symposium (Digest) ; Volume 3 , 2002 , Pages 306-309 ; 15223965 (ISSN) ; Dansout, J ; Attari, A. R ; Barkeshli, K ; Sharif University of Technology
2002
Abstract
An efficient hybrid method for the analysis of the interference phenomenon in high frequency communication circuits is presented. This method is based on the Transmission Line Matrix (TLM) method augmented with a time-domain integral equation formulation to account for the radiation of equivalent sources on boundary surfaces. As such, wide band effects are easily and accurately modeled since its formulation is in the time domain
Analysis of terahertz-induced optical phase modulation in a nonlinear dielectric slab
, Article Progress In Electromagnetics Research M ; Volume 13 , 2010 , Pages 41-51 ; 19378726 (ISSN) ; Izadi, S. A ; Shahabadi, M ; Sharif University of Technology
2010
Abstract
Frequency shift of the spectrum of an incident optical pulse by an intense THz pulse inducing cross-phase modulation (XPM) in a nonlinear dielectric slab is analyzed. The effect is predicted with a high degree of accuracy using the well-known transmission line matrix (TLM) technique. In this research, to model the THz-induced temporal and spatial variation of the dielectric permittivity of the nonlinear dielectric slab, the transmission lines of the TLM method are loaded with open shunt stubs. The parameters of the stubs are modified in accordance with the refractive index variation of the dielectric slab, here ZnTe, induced by the strong THz pulse. The obtained numerical results are...