Nanoengineered nickel-based ultrathin metamaterial absorber for the visible and short-infrared spectrum

Rana Muhammad Hasan Bilal, Subhan Zakir, Muhammad Ashar Naveed, Muhammad Zubair, Muhammad Qasim Mehmood, Yehia Massoud*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


Nanostructured-based broadband perfect absorbers are of great interest in a wide range of applications, including spectroscopy, energy harvesting, and thermal photonics, etc. Here, a planar square meta-ring of nickel (Ni) is presented, which has the potential to absorb a large operational wavelength starting from 400 nm to 3000 nm. The proposed device model comprises a configuration of three layers with a top and bottom metal of Ni and a middle dielectric layer of aluminium nitride (AlN). The designed square ring metamaterial absorber (SRMMA) can attain an average absorption value of more than 90% over a large waveband from 400-3000 nm. Moreover, it can also maintain its absorption value up to 70% for oblique incident angles for both the wave polarization cases (TE and TM). Furthermore, it also exhibits the polarization-insensitive absorption response under the influence of different polarization angles, which is attributed to the four-fold symmetry in the geometry of the square meta-ring. Furthermore, our SRMMA also reduces fabrication complexity and cost due to its simplified design architecture. These promising features of the proposed SRMMA may have widespread applications in solar energy harvesting, thermal emission, and other optoelectronic devices.

Original languageEnglish (US)
Pages (from-to)28-40
Number of pages13
Issue number1
StatePublished - Jan 1 2023

Bibliographical note

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© 2022 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement.

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials


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