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physics.optics2022
System response analysis in wavenumber domain for linear space-invariant time-varying problems
Wending Mai, Jingwei Xu, Arkaprovo Das +1
Being a powerful tool for linear time-invariant (LTI) systems, system response analysis can also be applied to the so-called linear space-invariant (LSI) but time-varying systems,…
physics.optics2010
Dynamical electric dipole theory for quantitatively describing coupled split-ring resonators
Yong Zeng, Douglas H. Werner
Metallic split-ring resonators possess dominant electric dipoles as well as considerable magnetic dipoles under proper excitations. Full-wave numerical approaches are frequently em…
physics.optics2010
A lossless metamaterial with tunable permittivity and its application as a compact phase shifter
Yong Zeng, Qi Wu, Douglas H. Werner
In this Letter, we propose a new type of lossless metamaterial whose effective permittivity is tunable from negative to positive values. Its optical response is studied analyticall…