NDLI: All the modes in a layered medium background truncated by a PML backed with a PEC

Content Provider	IEEE Xplore Digital Library
Author	Chao Liu Hou-Xing Zhou Qiang Tang Wei Hong
Copyright Year	2012
Description	Author affiliation: State Key Lab. of Millimeter Waves, School of Information Science and Engineering, Southeast University of China, Nanjing 210096, China (Chao Liu; Hou-Xing Zhou; Qiang Tang; Wei Hong)
Abstract	In this paper, an accurate method for determining all the modes in a layered medium background truncated at top by a perfectly matched layer (PML) backed with a perfectly electric conductor (PEC) is proposed. Adding a PML backed with a PEC makes the Green's functions for a layered medium background can be expanded with the discrete set of the eigenmodes, avoiding numerically calculating the Sommerfeld integrals when the spectral Green's functions are inversed into the spatial domain. However, it is essential to accurately determine the desired modes and to accurately calculate the corresponding residues. In this paper, the tracking all the mode poles by using consecutive perturbation on the PML's complex thickness is established. With this method, all the mode poles in a layered medium parallel plate waveguide with a PML can be accurately located, and the corresponding residues can also be accurately calculated without any contour integral. Some numerical examples are provided in the paper to demonstrate the efficiency and accuracy of the proposed method.
Starting Page	1
Ending Page	4
File Size	204216
Page Count	4
File Format	PDF
ISBN	9781467316965
e-ISBN	9781467316972
e-ISBN	9781467316958
DOI	10.1109/ICCPS.2012.6384226
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-19
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Evanescent modes Green's functions Perfect matched layer Nonhomogeneous media Equations Surface modes Berenger modes Multilayered media Antennas and propagation Microwave theory and techniques Perfectly matched layers Mathematical model Poles and zeros
Content Type	Text
Resource Type	Article

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