This paper presents a novel reconfigurable flat gradient-index (GRIN) lens antenna utilizing plasma dielectric materials. The lens structure consists of multiple nested cylindrical plasma layers whose ...
We present both a theoretical and an experimental study of a novel compact lensed fiber system utilizing a nanostructured GRIN lens. The lens can be integrated with an optical fiber, which ensures a ...
WASHINGTON — Researchers have created a flexible needle-like endoscopic imaging probe that can acquire 3D microscopic images of tissue. The bendability is possible thanks to a new flexible graded ...
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