The recent rise of metamaterials opens new opportunities for absorbers due to their
designed electrodynamic properties and effects, allowing the creation of materials with …

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 …

A polarization insensitive, broadband and wide-angle perfect metamaterial absorber for
nearly full solar spectrum harvesting is designed and studied. The structure is a periodic …

In this work, we numerically investigate the radiative properties of metamaterial
nanostructures made of two-dimensional tungsten gratings on a thin dielectric spacer and …

Electromagnetic wave absorbers have been investigated for many years with the aim of
achieving high absorbance and tunability of both the absorption wavelength and the …

Metamaterial-based perfect absorbers promise many applications. Perfect absorption is
characterized by the complete suppression of transmission and reflection and complete …

Broadband absorption in the terahertz regime is a challenge and onerous to realize with a
single layer metasurface. Self-similarity in fractal structures are exploiting metamaterial …

In this paper, a metamaterial absorber for broad-spectrum absorption under solar radiation
is proposed, which consists of periodic square arrays on a-Si spacer layer and Ti substrate …

Efficient absorption of solar radiation is desired for the renewable energy sector, such as
solar thermophotovoltaics and solar thermal applications. In order to minimize thermal re …

Integration of phase-change materials (PCMs) into electrical/optical circuits has initiated
extensive innovation for applications of metamaterials (MMs) including rewritable optical …