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February 2014 • SMT Magazine 63 The boundary condition can be very im- portant in the analysis of very thin structures, including graphene. An Iranian researcher from Sharif University of Technology succeeded in significantly reducing (a few hundred times) the time required for electromagnetic analysis of graphene-based structures by presenting a novel approximate boundary conditions for magnetic field. "In this research, we presented an approach for fast analysis of alternate arrays of graphene bands. The analysis of the arrays is very time-consuming through the methods based on Fourier's model. we present a method that can reduce the time re - quired for the analysis of such structures a few hundred times," the re- searcher said. The process increased the convergent rate of Fourier Modal Method (FMM) in the analysis of arrays consisting of graphene bands. FMM is one of the most common methods in the analysis of optical structures. Alternate arrays of graphene have applica - tions in the production of various optical devices, including optical sensors, light sorbents, lenses with the ability higher than diffraction limit, and terahertz supermaterials. obviously, it is man- datory to employ a fast device to analyze such structures to design them. latest results of the research showed that the structure could play the role of an element of elec- trical circuit, and the men- tioned element was char- acterized. results of the research have been published in details in optics letters. Reduction in electromagnetic Analysis time of Graphene-based structures CliCk To View Video Interview Jim hall, principal of ITM Consulting, discusses his SMTAI workshop that focused on the 10 deadly sins he's found while auditing manufacturers. lust,'s all there! The 10 Deadly Sins of electronics Manufacturing by Real Time with... SMTAI

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