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Atomic Layer Deposition of Vanadium Dioxide and a Temperature-dependent Optical Model
Published on: May 23, 2018
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Tunable amplitude metasurface electromagnetic stealth material based on vanadium dioxide.
Applied Optics
|March 17, 2026
Summary
A new tunable terahertz metasurface stealth material using vanadium dioxide (VO2) offers ultra-wideband absorption and polarization insensitivity. This advanced electromagnetic stealth material provides tunable functionality for adaptive terahertz systems.
Area of Science:
- Metamaterials and Nanophotonics
- Electromagnetics and Optics
- Materials Science
Background:
- Terahertz metamaterial absorbers are crucial for stealth technology.
- Vanadium dioxide (VO2) exhibits phase transition properties useful for tunable devices.
Purpose of the Study:
- To design a tunable terahertz metasurface electromagnetic stealth material.
- To leverage VO2 phase transitions for adaptive absorption.
Main Methods:
- A three-layer structure (gold, PMI, VO2) was designed.
- Numerical simulations were used to analyze absorption performance.
Main Results:
- Achieved ultra-wideband perfect absorption (>90%) from 3.13 to 13.56 THz (10.43 THz bandwidth).
- Demonstrated tunable absorption and polarization insensitivity.
Conclusions:
- The designed material offers superior stealth performance with tunable functionality.
- Presents a novel approach for flexible electromagnetic stealth materials and adaptive terahertz systems.
