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Color-thermal multispectral camouflage with VO2-based dynamic regulator.
Chengcong Li1,2, Cuicui Cao1,2, Zhongshao Li1,2
1State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, China.
Light, Science & Applications
|September 10, 2025
Summary
Researchers developed a multispectral dynamic regulator using vanadium dioxide (VO2) for advanced camouflage. This device offers tunable visible color and infrared thermal radiation, enabling effective multispectral camouflage.
Area of Science:
- Materials Science
- Optics
- Engineering
Background:
- Growing demand for advanced camouflage solutions due to evolving detection technologies.
- Need for dynamic camouflage systems that can adapt across multiple spectra (visible and infrared).
Purpose of the Study:
- To develop a multispectral dynamic regulator for camouflage applications.
- To achieve independent regulation of reflective color and thermal radiation.
- To evaluate the device's performance in real-world camouflage scenarios.
Main Methods:
- Utilized phase-changing material vanadium dioxide (VO2) for dynamic regulation.
- Engineered a device for independent control of visible reflective color and infrared thermal emissivity.
- Integrated digital camouflage algorithms for performance evaluation.
Main Results:
- Achieved wide color gamut variation in the visible band.
- Demonstrated highest emissivity tunability (Δε=-0.58) in the atmospheric window to date.
- Successfully implemented multispectral camouflage across visible and infrared spectra with long-term stability and flexibility.
- Validated digital camouflage using the Neighboring Color Block Camouflage Algorithm.
Conclusions:
- The developed VO2-based multispectral dynamic regulator offers significant advancements in camouflage technology.
- The device enables dynamic, functional-independent control of visible and infrared properties.
- This technology holds strong potential for practical implementation in diverse camouflage applications.
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