Tunable broadband terahertz metamaterial absorber based on vanadium dioxide and graphene
L Zheng, R Feng, H Shi, X Li - Micromachines, 2023 - mdpi.com
We propose a dynamically tunable ultra-broadband terahertz metamaterial absorber, which
was based on graphene and vanadium oxide (VO2) and numerically demonstrated. The …
was based on graphene and vanadium oxide (VO2) and numerically demonstrated. The …
Thermally switchable metasurface for controlling transmission in the THz-gap
N Kumar, SK Ghosh, S Bhattacharyya - Plasmonics, 2024 - Springer
This paper presents a metasurface (MS) providing single to dual transmission frequency
bands under different thermal excitation conditions. Vanadium dioxide (VO2) has been …
bands under different thermal excitation conditions. Vanadium dioxide (VO2) has been …
Envisioning the future: optically transparent metasurface-based solar thermophotovoltaic with high conversion efficiency
Transparent solar thermo-photovoltaic (TPV) technology combines visible transparency and
solar energy conversion. They are developed for their potential applications in buildings and …
solar energy conversion. They are developed for their potential applications in buildings and …
Broadband multifunctional achromatic metalens
Metasurfaces offer novel design capability of optical wavefront shaping to realize ultra-
compact flat optical components which have remarkable potential to mitigate the constraints …
compact flat optical components which have remarkable potential to mitigate the constraints …
Efficient solar energy harvesting via thermally stable tungsten-based nanostructured solar thermophotovoltaic systems
Electromagnetic radiations are a key energy source, which, by deploying bandgap-
engineered devices, are directed onto PV cells to maximize their utilization. In this regard …
engineered devices, are directed onto PV cells to maximize their utilization. In this regard …
Bi-functional dynamic tunable absorber and highly robust polarisation converter for graphene-based metasurface
B Li, M Liu, L Zeng, X Zhang, Y Wei, R Wen… - Diamond and Related …, 2024 - Elsevier
In this study, a graphene-based metasurface structure with bi-functional dynamically tunable
absorber and highly robust polarisation converter is proposed. The device primarily consists …
absorber and highly robust polarisation converter is proposed. The device primarily consists …
Fluid-infiltrated on-axis ultra-compact reconfigurable intelligent surface for application of free-space optical communication
Free space optical (FSO) communication is an evolving technology that opens up the doors
to use huge unlicensed bandwidth and can manifest high-speed communication. As the …
to use huge unlicensed bandwidth and can manifest high-speed communication. As the …
MetaVision: enabling independent wavefront control for diverse/oblique illumination angles
The potential of metasurface holography holds significant promise for revolutionary
breakthroughs and groundbreaking advancements in imaging, chip-integrated AR/VR …
breakthroughs and groundbreaking advancements in imaging, chip-integrated AR/VR …
AI-driven Perovskite solar cells optimization
Perovskite solar cells (PSCs) are renowned for their efficiency, affordability, and mass
manufacturing. However, the performance unpredictability, material sensitivity and stability …
manufacturing. However, the performance unpredictability, material sensitivity and stability …
An overview of deep-learning models for metasurface design and optimization
Deep Neural Networks (DNNs) have emerged as a powerful tool for predicting the structure
and composition of diverse nanophotonic devices based on their desired response. These …
and composition of diverse nanophotonic devices based on their desired response. These …