Phase-Change Tunable Metamaterial Absorber

Room-Temperature Coating

Reversible switching and modulation of metamaterial absorption via non-contact thermal control of the VO2 film phase transition.

Yixin, Liu · Gu, Manna · Tian, Ying · Liu, Jianjun · Zhu, Mingmin · Zhou, Hao-Miao · Li, Chenxia · Fang, Bo · Hong, Zhi · Jing, Xufeng

Laser and Photonics Reviews 2025

Advantages

Effective modulation of absorption based on VO2 phase transition

Non-contact heating ensures controllable, stable, and uniform temperature

Applicable to planar and hemispherical structures