As wireless system frequencies increase and wavelengths decrease, RF designs present many new challenges. Among them is the need for dimensional and parameter stability, as changes of even a fraction ...
A new technical paper titled “Characterizing the Broadband RF Permittivity of 3D-Integrated Layers in a Glass Wafer Stack from 100 MHz to 30 GHz” was published by researchers at NIST. “We present a ...
Homogeneous composites, or metamaterials, made of dielectric or metallic particles are known to show magnetic properties that contradict arguments by Landau and Lifshitz [Landau LD, Lifshitz EM (1960) ...
Hypergap materials reveal a second transparent region above the bandgap, overturning assumptions about optical limits and enabling low-loss light control, wavelength conversion, and new photonic ...
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