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Fast and Robust Characterization of Dielectric Slabs Using Rectangular Waveguides
Xuchen Wang, Sergei A. Tretyakov
Waveguide characterization of dielectric materials is a convenient and broadband approach for measuring dielectric constant. In conventional microwave measurements, material sample…
Dispersion of Surface Waves above Time-Varying Reactive Boundaries
Xuchen Wang, Mohammad S. Mirmoosa, Sergei A. Tretyakov
In this presentation, we analytically derive the dispersion equation for surface waves traveling along reactive boundaries which are periodically modulated in time. In addition, we…
Space-Time Metasurfaces for Perfect Power Combining of Waves
Xuchen Wang, Viktar S. Asadchy, Shanhui Fan +1
In passive linear systems, complete combining of powers carried by waves from several input channels into a single output channel is forbidden by the energy conservation law. Here,…