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2008 12th International Conference on Mathematical Methods in Electromagnetic Theory最新文献

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Guided modes and anomalous scatterign by a periodic lattice 周期晶格的导模和异常散射
2008 12th International Conference on Mathematical Methods in Electromagnetic Theory Pub Date : 2008-07-29 DOI: 10.1109/MMET.2008.4581054
N. Ptitsyna, S. Shipman
{"title":"Guided modes and anomalous scatterign by a periodic lattice","authors":"N. Ptitsyna, S. Shipman","doi":"10.1109/MMET.2008.4581054","DOIUrl":"https://doi.org/10.1109/MMET.2008.4581054","url":null,"abstract":"We study a discrete prototype of anomalous electromagnetic scattering associated with the interaction of guided modes of a periodic scatterer and plane waves incident upon the scatterer.","PeriodicalId":141554,"journal":{"name":"2008 12th International Conference on Mathematical Methods in Electromagnetic Theory","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116145360","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modeling of long-period fiber gratings with both refractive index and diameter modulation 具有折射率和直径调制的长周期光纤光栅的建模
2008 12th International Conference on Mathematical Methods in Electromagnetic Theory Pub Date : 2008-07-29 DOI: 10.1109/MMET.2008.4581038
I. Palma- Quiroz, I. Flores-Llamas, R. Osorio-Comparán, S. Khotiaintsev, V. Svyryd
{"title":"Modeling of long-period fiber gratings with both refractive index and diameter modulation","authors":"I. Palma- Quiroz, I. Flores-Llamas, R. Osorio-Comparán, S. Khotiaintsev, V. Svyryd","doi":"10.1109/MMET.2008.4581038","DOIUrl":"https://doi.org/10.1109/MMET.2008.4581038","url":null,"abstract":"We present a mathematical model of long-period fiber gratings (LPFGs) which accounts for simultaneous perturbations of various parameters of the optical fiber: its refractive index and radius. We also present the results of the calculation of the cross-coupling between the fundamental mode of the fiber core and symmetric LP modes of the cladding as a function of the mode order, for the step-index optical fiber with harmonic modulation of the refractive index and radius both of the core and cladding.","PeriodicalId":141554,"journal":{"name":"2008 12th International Conference on Mathematical Methods in Electromagnetic Theory","volume":"95 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116316961","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Electromagnetic theory of nanodimensional antennas for terahertz, infrared and optical regimes 太赫兹、红外和光学波段纳米天线的电磁理论
2008 12th International Conference on Mathematical Methods in Electromagnetic Theory Pub Date : 2008-07-29 DOI: 10.1109/MMET.2008.4580910
G. Slepyan, M. Shuba, A. Nemilentsau, S. Maksimenko
{"title":"Electromagnetic theory of nanodimensional antennas for terahertz, infrared and optical regimes","authors":"G. Slepyan, M. Shuba, A. Nemilentsau, S. Maksimenko","doi":"10.1109/MMET.2008.4580910","DOIUrl":"https://doi.org/10.1109/MMET.2008.4580910","url":null,"abstract":"An electrodynamical theory of the vibrator nanoantenna based on the different types of carbon nanotubes (CNTs) has been presented. The theory covers a wide frequency range from terahertz to optical frequencies. It is based on the quantum-mechanical description of the CNT conductivity. The boundary-value electrodynamical problem has been formulated using the effective boundary conditions method and has been solved by the integral equations technique. As a result, a number of general properties of CNT-based nanoantennas have been revealed. These properties are very promising for potential applications in nanoelectronics, high resolution near field optical microscopy, thermal microscopy, etc.","PeriodicalId":141554,"journal":{"name":"2008 12th International Conference on Mathematical Methods in Electromagnetic Theory","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126843318","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Adaptation of sample myriad tunable parameter to characteristics of SαS distribution 样本无数可调参数对s - α - s分布特征的适应
2008 12th International Conference on Mathematical Methods in Electromagnetic Theory Pub Date : 2008-07-29 DOI: 10.1109/MMET.2008.4581014
V. Lukin, A. Roenko, S. Abramov, I. Djurović
{"title":"Adaptation of sample myriad tunable parameter to characteristics of SαS distribution","authors":"V. Lukin, A. Roenko, S. Abramov, I. Djurović","doi":"10.1109/MMET.2008.4581014","DOIUrl":"https://doi.org/10.1109/MMET.2008.4581014","url":null,"abstract":"Processes obeying heavy-tailed symmetric alpha-stable (SalphaS) distributions have been shown to describe well many natural phenomena in radio engineering, acoustics, communications, etc. For processing such data, one needs to apply robust estimators and the methods based on a sample myriad are considered quasi-optimal ones. Sample myriad estimation requires setting a tunable parameter k. However, only quite approximate and impractical recommendations concerning its selection exist. Thus, in this paper we consider some approaches to deal with setting k in practical applications. It is shown that they are to be adaptive to data sample scale and tail heaviness.","PeriodicalId":141554,"journal":{"name":"2008 12th International Conference on Mathematical Methods in Electromagnetic Theory","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128415899","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Special theory of relativity and universal boundary conditions on uniformly moving surfaces 均匀运动表面上的狭义相对论和普遍边界条件
2008 12th International Conference on Mathematical Methods in Electromagnetic Theory Pub Date : 2008-07-29 DOI: 10.1109/MMET.2008.4580892
M. Idemen
{"title":"Special theory of relativity and universal boundary conditions on uniformly moving surfaces","authors":"M. Idemen","doi":"10.1109/MMET.2008.4580892","DOIUrl":"https://doi.org/10.1109/MMET.2008.4580892","url":null,"abstract":"The knowledge of the boundary conditions, which interrelate the field values observed on different sides of interfaces between different bodies, has crucial importance for the study of the electromagnetic phenomena created by a given source configuration. During the last century these conditions were discussed rather extensively in cases when the boundaries are at rest with respect to the observer. When the boundary is in motion with respect to the observer, the situation is still rather obscure and causes to tough difficulties. For example, the shape of the boundary seems differently, in general, for an observer moving with it and for an observer to which it is in motion. Hence, it is not an exact approach to try to reveal the boundary conditions on a moving body by assuming that its geometrical shape is known beforehand. The correct approach is the derivation of the boundary relations first in a reference system which moves with the boundary and then to transform the relations into the reference system of the observer. This can be done by the principles of the Special Theory of Relativity if the motion is uniform. The present paper aims to this end for the most general case and derive the universal boundary conditions and compatibility relations. Some illustrative examples show how the compatibility relations are elaborated in obtaining the particular forms of the boundary conditions.","PeriodicalId":141554,"journal":{"name":"2008 12th International Conference on Mathematical Methods in Electromagnetic Theory","volume":"117 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134183391","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On the efficient computation of the Green’s function for doubly periodic structures by using the Kunmer’s method of higher orders 用高阶Kunmer方法高效计算双周期结构的格林函数
2008 12th International Conference on Mathematical Methods in Electromagnetic Theory Pub Date : 2008-07-29 DOI: 10.1109/MMET.2008.4581058
M. Ivanishin, S. Skobelev
{"title":"On the efficient computation of the Green’s function for doubly periodic structures by using the Kunmer’s method of higher orders","authors":"M. Ivanishin, S. Skobelev","doi":"10.1109/MMET.2008.4581058","DOIUrl":"https://doi.org/10.1109/MMET.2008.4581058","url":null,"abstract":"An auxiliary function in the form of standing spherical waves with attenuation is proposed in the Kummerpsilas method for accelerating the convergence of the spectral series representing the Greenpsilas function of doubly periodic structures in free space. Expressions for the amplitude and phase constants of the auxiliary waves versus their attenuation constant are derived, at which the spectral difference series converges in the worst case as the Floquet mode propagation constant in the power of minus 5, 9, and 13 for the cases of using one, two, and three auxiliary waves, respectively.","PeriodicalId":141554,"journal":{"name":"2008 12th International Conference on Mathematical Methods in Electromagnetic Theory","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134369048","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Boundary integral representation for time-harmonic Maxwell’s equations 时谐麦克斯韦方程组的边界积分表示
2008 12th International Conference on Mathematical Methods in Electromagnetic Theory Pub Date : 2008-07-29 DOI: 10.1109/MMET.2008.4580989
M. Yas'ko
{"title":"Boundary integral representation for time-harmonic Maxwell’s equations","authors":"M. Yas'ko","doi":"10.1109/MMET.2008.4580989","DOIUrl":"https://doi.org/10.1109/MMET.2008.4580989","url":null,"abstract":"Method of weighted residual is used for developing of the boundary integral representation for Maxwell's equations. It is shown that the vectors of the electric and magnetic fields in an arbitrary point of domain can be expressed through its values on the boundary. The boundary integral equations of the second kind for the solving of the boundary-valued problems are received. It is marked that the given integral equation allows the effective numerical solving.","PeriodicalId":141554,"journal":{"name":"2008 12th International Conference on Mathematical Methods in Electromagnetic Theory","volume":"141 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131793604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Features of diurnal variability of aerosol optical depth over black sea 黑海上空气溶胶光学深度的日变化特征
2008 12th International Conference on Mathematical Methods in Electromagnetic Theory Pub Date : 2008-07-29 DOI: 10.1109/MMET.2008.4580997
D. V. Yakovleva, G. A. Tolkachenko
{"title":"Features of diurnal variability of aerosol optical depth over black sea","authors":"D. V. Yakovleva, G. A. Tolkachenko","doi":"10.1109/MMET.2008.4580997","DOIUrl":"https://doi.org/10.1109/MMET.2008.4580997","url":null,"abstract":"Measurements of aerosol optical depth (AOD) are carried out within the framework of AERONET program. As of AOD conducted analysis of diurnal variability of transparency of atmosphere over Sevastopol with the aim to study characteristic of types of diurnal variability of aerosol optical depth for Black sea. For the determination of dominating type of the aerosol over Black sea was conducted comparative analysis of tinning data and results of similar studies at five specific land sites of AERONET, with regionally distributed aerosol types (urban, dust, dust and smoke, smoke, and background).","PeriodicalId":141554,"journal":{"name":"2008 12th International Conference on Mathematical Methods in Electromagnetic Theory","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133240545","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Circular polarized rectangular loop antenna over a mushroom-like EBG surface 蘑菇状EBG表面上的圆形极化矩形环形天线
2008 12th International Conference on Mathematical Methods in Electromagnetic Theory Pub Date : 2008-07-29 DOI: 10.1109/MMET.2008.4580955
S. M. Moghadasi, S. A. Malekabadi
{"title":"Circular polarized rectangular loop antenna over a mushroom-like EBG surface","authors":"S. M. Moghadasi, S. A. Malekabadi","doi":"10.1109/MMET.2008.4580955","DOIUrl":"https://doi.org/10.1109/MMET.2008.4580955","url":null,"abstract":"In this paper, a low profile dual loop wire antenna over an EBG surface is investigated for wideband circular polarization. A wideband mushroom-like EBG surface is used as the antenna ground plane. In comparison with a PEC ground plane, design of the antenna above an EBG ground plane results in 60% reduction of the structure thickness. It is shown that the axial ratio bandwidth (<3 dB) and return loss bandwidth (<10 dB) of the dual loop antenna above the designed EBG surface are 20% and 14%, respectively.","PeriodicalId":141554,"journal":{"name":"2008 12th International Conference on Mathematical Methods in Electromagnetic Theory","volume":"53 91 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121285807","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Arbitrary shaped hollow resonators and waveguides modeling. Analytical regularization method 任意形状的空心谐振器和波导建模。解析正则化法
2008 12th International Conference on Mathematical Methods in Electromagnetic Theory Pub Date : 2008-07-29 DOI: 10.1109/MMET.2008.4581025
O. Suvorova, Y. Tuchkin, F. Dikmen
{"title":"Arbitrary shaped hollow resonators and waveguides modeling. Analytical regularization method","authors":"O. Suvorova, Y. Tuchkin, F. Dikmen","doi":"10.1109/MMET.2008.4581025","DOIUrl":"https://doi.org/10.1109/MMET.2008.4581025","url":null,"abstract":"Mathematically strong and efficient approach for simulation of resonators and waveguides of arbitrary profile is suggested. The approach is based on new implementation of Analytical Regularization Method. Numerical results of E-polarized wave diffraction by waveguide resonant structures demonstrate the method efficiency and reliability.","PeriodicalId":141554,"journal":{"name":"2008 12th International Conference on Mathematical Methods in Electromagnetic Theory","volume":"215 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116149351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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