Power waves and scattering parameters in magneto-inductive systems
File(s)
Published version
Author(s)
Voronov, A
Sydoruk, O
Syms, RRA
Type
Journal Article
Abstract
Difficulties arise in the definition of power flow in transmission-line systems with a complex propagation constant. These were resolved by Kurokawa using quantities known as “power waves,” which contain both voltage and current terms and correctly separate power flow into forward- and backward-traveling components. Similar difficulties must arise for electromagnetic metamaterials since any discrete, periodic structure leads to band-limited propagation, with a complex propagation constant both inside and outside the bands due to loss and cutoff, respectively. Here, discrete power waves are defined for magneto-inductive (MI) systems, metamaterials based on chains of magnetically coupled LC resonators. These waves are shown to satisfy the discrete power conservation equation for MI waves and are used to calculate scattering parameters for multi-port MI devices without the anomalous predictions of conventional methods. The results will allow correct evaluation of internal scattering parameters in MI systems.
Date Issued
2021-04-28
Date Acceptance
2021-03-08
Citation
AIP Advances, 2021, 11 (4)
ISSN
2158-3226
Publisher
American Institute of Physics
Journal / Book Title
AIP Advances
Volume
11
Issue
4
Copyright Statement
© 2021 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
License URL
Identifier
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000721057300003&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
Subjects
Science & Technology
Technology
Physical Sciences
Nanoscience & Nanotechnology
Materials Science, Multidisciplinary
Physics, Applied
Science & Technology - Other Topics
Materials Science
Physics
MAGNETOINDUCTIVE WAVES
TRANSMISSION-LINES
ARRAYS
Publication Status
Published
Article Number
ARTN 045327
Date Publish Online
2021-04-28