Abstract
Dynamic structural color provides an additional time dimension in
contrast to the static one, enriching the information load and
functionalities. As a phase change material, vanadium dioxide offers
great opportunities to implement dynamic structural color as its
insulator-metal transition. Nevertheless, the multiple states also
place a barrier to the efficient design of the structure
configurations. This work firstly reports the dynamic structural color
inverse design of asymmetric Fabry-Pérot cavity through a
parameter-based conditional generative adversarial networks approach.
The proposed structure attains a gamut as large as 117% of sRGB in the
insulator state and can produce a 5% color coverage variation
via the phase change of VO2 layer. By
using the trained conditional generative adversarial networks, the
inverse design accuracy with the average color difference ΔE of 0.98
is achieved. A monochromatic pattern is designed by the trained
networks to demonstrate different color dynamics of the various
structures.
Funder
Engineering and Physical Sciences
Research Council
Subject
Electronic, Optical and Magnetic Materials
Cited by
3 articles.
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