Application of Generalized Multipole Technique to the Analysis of Discontinuities in Substrate Integrated Waveguides

Talebi, Nahid; Shahabadi, Mahmoud

doi:10.2528/pier06122107

Cited by 28 publications

(10 citation statements)

References 11 publications

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“…The multipole expansion, which is based on the expansion of either potentials [29][30][31] or fields [32,33], has several applications in classical electrodynamics, such as finding solutions to inverse problems [34][35][36], reconstruction of images [37], and in general, decomposition of induced charges into a set of localized charge distributions with well-known near-field and farfield characteristics. Moreover, semianalytical methods based on multipole expansion sets of magnetic and electric vector potentials, such as the method of auxiliary sources [38][39][40], the multiple multipole method [41][42][43], or the generalized multipole technique [11,18,[44][45][46][47][48][49], are exponentially convergent efficient methods in numerical electromagnetics [50]. In the following, we consider the family of multipole expansions for static and dynamic systems, considering the Taylor expansions of sources, potentials and fields.…”

Section: Families Of Multipoles In Electrodynamicsmentioning

confidence: 99%

Theory and applications of toroidal moments in electrodynamics: their emergence, characteristics, and technological relevance

2017

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Dipole selection rules underpin much of our understanding in characterization of matter and its interaction with external radiation. However, there are several examples where these selection rules simply break down, for which a more sophisticated knowledge of matter becomes necessary. An example, which is increasingly becoming more fascinating, is macroscopic toroidization (density of toroidal dipoles), which is a direct consequence of retardation. In fact, dissimilar to the classical family of electric and magnetic multipoles, which are outcomes of the Taylor expansion of the electromagnetic potentials and sources, toroidal dipoles are obtained by the decomposition of the moment tensors. This review aims to discuss the fundamental and practical aspects of the toroidal multipolar moments in electrodynamics, from its emergence in the expansion set and the electromagnetic field associated with it, the unique characteristics of their interaction with external radiations and other moments, to the recent attempts to realize pronounced toroidal resonances in smart configurations of meta-molecules. Toroidal moments not only exhibit unique features in theory but also have promising technologically relevant applications, such as data storage, electromagnetic-induced transparency, unique magnetic responses and dichroism.

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Section: Families Of Multipoles In Electrodynamicsmentioning

confidence: 99%

Theory and applications of toroidal moments in electrodynamics: their emergence, characteristics, and technological relevance

2017

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“…Microwave can heat the road material in a great depth, but within 1 cm of road surface materials only 4% to 5% of the total microwave energy is absorbed which causes the road surface warming slowly. The ice breaks away from the road at a long time so microwave deicing is inefficient [12][13][14][15][16][17][18][19][20].…”

Section: Analyzing Of Microwave Deicing Efficiencymentioning

confidence: 99%

Study of 5.8 GHz Magnetron in Microwave Deicing

Tang

Jiao

Gao

et al. 2008

Journal of Electromagnetic Waves and Applications

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The paper puts forward microwave deicing after analyzing the shortage of deicing using chemistry, thermal and mechanism. It points out that study of microwave deicing is restricted by deicing efficiency. In order to improve the microwave deicing efficiency and achieve fast deicing in winter road maintenance, the influence factors of microwave deicing efficiency are studied. Then frequency of microwave is simulated by CST software. The findings indicated that deicing efficiency is concerned with the microwave frequency, electric field intensity of microwave, road material, environmental temperature, thickness of ice, impurity content of ice, heating mode of microwave, distance between road and waveguide mouth and so on. At the same condition, the deicing efficiency of 5.8 GHz magnetron is four times more than 2.45 GHz magnetron.

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“…Some of these approaches are the multiple multipole technique [27], Green's function method [28], the finite difference time domain (FDTD) technique [29,30], and characteristic transfer matrix method (CTMM) [31,32]. Multipole technique belongs to a group of techniques that are collectively known as the generalized multipole technique (GMT).…”

Section: Introductionmentioning

confidence: 99%

Development of an Internet Web Application for the Study of Surface Plasmon Resonance Spectroscopy

et al. 2016

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An online web application was developed for the study of surface plasmon resonance (SPR) of different materials using angular and wavelength modulation. The present web application investigates the optical characteristics of the spectral and angular responses of a Kretschmann SPR sensor configuration that is widely applied for biological and chemical sensing by using the characteristic transmission matrix (CTM) method. The accuracy, efficiency, and reliability of the web application were validated by comparing the results generated by using the web application with other benchmark theoretical results and results of SPR experiments with standard samples.

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Application of Generalized Multipole Technique to the Analysis of Discontinuities in Substrate Integrated Waveguides

Cited by 28 publications

References 11 publications

Theory and applications of toroidal moments in electrodynamics: their emergence, characteristics, and technological relevance

Theory and applications of toroidal moments in electrodynamics: their emergence, characteristics, and technological relevance

Study of 5.8 GHz Magnetron in Microwave Deicing

Development of an Internet Web Application for the Study of Surface Plasmon Resonance Spectroscopy

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