WebBroadband Waveguide Cloak for Water Waves. Experimental setup for a broadband waveguide cloak for water waves. The parallel-plate waveguide is a water tank with two identical gradient index metamaterials along the sidewalls (white strips) and a wave maker at the far end. Selected for a Synopsis in Physics and an Editors’ Suggestion. WebJan 10, 2011 · Figure 1: The configuration of an acoustic cylindrical cloak for water waves. Cavities with large volume act as shunt capacitors, while narrow channels connecting …
Broadband surface-wave transformation cloak PNAS
WebAug 13, 2024 · The concept of a broadband cloak for water waves: (a) The schematic plot of the top view of the cloak device and three-dimensional sketch of GIMs. (b) The side view of the waveguide cloak with GIMs. (c) The experimental photographs of the … WebIn this article, we show experimentally that electrostriction allows to implement extensive refraction-based control of water waves in a precise and contactless manner. The setup consists of an electrode under high voltage placed above the grounded conductive water. The waves propagating under the electrode can be slowed down up to ... marigan bio extracts gmbh
Shallow water theory for structured bathymetry - Royal Society
WebAug 16, 2024 · Inspired by electromagnetic waveguide cloaks with gradient index metamaterials, we fabricated a broadband cloak with simply a gradient depth profile on … WebOct 1, 2024 · The water-wave cloak is realized by inversely designing the height distribution of the cloaking shell. Complex refraction-diffraction interaction holistically offsets the … WebSep 10, 2024 · Active cloaking suppresses not only the scattered field arising from the direct wave propagating between the primary source and the scattering object but also that caused by the echoes from the boundary of the waveguide at later times (see fig. S1). mari from prison school