Recent advances in computational electromagnetics for microwaves in IRE NASU

2017 XI International Conference on Antenna Theory and Techniques (ICATT) Pub Date : 2017-05-01 DOI:10.1109/ICATT.2017.7972580

A. Kirilenko, S. Steshenko, L. Mospan, D. Kulik, A. Perov

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Abstract

Recent advances in problem-oriented and general-purpose microwave-oriented software and applications developed in the department of computational electromagnetics are considered. Numerical-analytical automatic mode-matching based models are extended on the objects given in cylindrical coordinate system. The geometry has to be specified as the set of piece-wise coordinate fragments in Cartesian (MWD1 or MWD2 with account of edge behavior) or in Cartesian or cylindrical coordinates (MWD3) with automatic cross-section geometry recognition and subsequent formation of corresponding mode-matching technique and S-matrix based numerical algorithms. The future extension to the double-periodical screens and multilayer printed circuits (MWD4) is described moving to terahertz frequency band and “metamaterial” investigations. A set of new microwave devices is proposed which are based on the nonstandard physical principles such as the fringing field interaction, new types of eigen-oscillations of 3D open objects and artificial “optical activity”. They are the band-stop and band-pass waveguide filters, antenna-feed units, polarization rotators, twists etc.

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微波计算电磁学研究进展

考虑了计算电磁学部门在面向问题和通用面向微波的软件和应用方面的最新进展。将基于数值解析的自动模式匹配模型扩展到柱坐标系下给定的对象上。几何图形必须指定为笛卡尔坐标(考虑边缘行为的MWD1或MWD2)或笛卡尔坐标或柱坐标(MWD3)中的分段坐标片段集，并自动进行截面几何识别，随后形成相应的模式匹配技术和基于s矩阵的数值算法。双周期屏幕和多层印刷电路(MWD4)的未来扩展被描述为移动到太赫兹频段和“超材料”的研究。提出了一套基于边缘场相互作用、三维开放物体的新型本征振荡和人工“光活性”等非标准物理原理的新型微波器件。它们是带阻和带通波导滤波器、天线馈电单元、极化旋转器、扭转器等。

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2017 XI International Conference on Antenna Theory and Techniques (ICATT)

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