Tunable VO₂ cavity enables multispectral manipulation from visible to microwave frequencies

https://phys.org/news/2024-02-tunable-vo-cavity-enables-multispectral.html

"Optical materials dynamically manipulating electromagnetic waves...cascade multiple tunable optical cavities with selective-transparent layers enabling universal approach to overcoming wavelength dependence and establishing multispectral platform with highly integrated functions... broadband color-changing capacity in visible region (~60 nm shift in resonant wavelength) freely switching between transmittance, reflectance, and absorptance in IR to Mic regions, drastic amplitude tunability >0.7, faster response time 0.9 s"