The Perfectly Matched Layer as a Synthetic Material with Active Inclusions
- 1 March 2000
- journal article
- research article
- Published by Taylor & Francis in Electromagnetics
- Vol. 20 (2) , 155-166
- https://doi.org/10.1080/027263400308348
Abstract
The perfectly matched layer is a successful concept used in finite difference numerical techniques. It can be also considered as a uniaxial medium whose tensor material parameters are subject to certain requirements. Here we demonstrate that such a medium is in principle physically realizable as a composite material with small inclusions, but the inclusions must be active, which means that they can only be realized as active electronic circuits, e.g., circuits based on operational amplifiers.Keywords
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