The recent advent of acoustic metamaterials has initiated a strong revival of interest on the
subject of sound absorption. The present review is based on the physics perspective as the …

In the past centuries, the scale of engineering optics has evolved toward two opposite
directions: one is represented by giant telescopes with apertures larger than tens of meters …

By introducing metallic ring structural dipole resonances in the microwave regime, we have
designed and realized a metamaterial absorber with hierarchical structures that can display …

Metasurfaces are artificially structured thin films with unusual properties on demand.
Different from metamaterials, the metasurfaces change the electromagnetic waves mainly by …

Metasurfaces, composed of 2-D planar arrays of sub-wavelength metallic or dielectric
scatterers, have provided unprecedented freedoms in manipulating electromagnetic (EM) …

The stealth materials for future weapons and equipment need to operate within the radar
working band, be lightweight, easy to process, and compatible with infrared stealth …

Chromatic aberration-free meta-devices (eg, achromatic meta-devices and abnormal
chromatic meta-devices) play an essential role in modern science and technology. However …

When a planar dielectric medium has a permittivity profile that is an analytic function in the
upper or lower half of the complex position plane x= x′+ ix ″then the real and imaginary …

Catenary functions are exciting and fundamental building blocks in constructing various
kinds of waves in subwavelength structures. Here, a simple yet powerful approach inspired …

A multilayer metamaterial absorber (MMA) with optically transparent and broadband
microwave absorption characteristics based on Indium Tin Oxide (ITO) and polymethyl …