Fig. 1. Schematic illustrations of micro-nano optical structure infrared stealth technology

Fig. 2. Schematic diagram of dielectric-metal thin film microcavity

Fig. 3. Schematic diagram of the surface plasmon of the intersection of medium and metal

Fig. 4. (a) Mid infrared dielectric permittivity of crystalline and amorphous GST^[10]; (b) Experimental absorption spectra of thin-film microcavities with thickness variation of GST^[17]

Fig. 5. (a) Schematic diagram of forward design; (b) Schematic diagram of inverse design

Fig. 6. Schematic diagram of forward/inverse design driven by intelligent algorithms

Fig. 7. (a) Ideal emitter spectrum for infrared intra-band compatible stealth; (b) Ideal emitter spectrum for multi-band compatible stealth technology of visible, infrared and microwave band

Fig. 8. (a) Infrared stealth based on multilayer film; (b) Hierarchical-metamaterial-based multispectral compatible stealth technology; (c) Hierarchical-metamaterial-based infrared, microwave and laser stealth technology; (d) Multispectral compatible stealth technology for visible, infrared, microwave and laser stealth; (e) Flexible assembled metamaterials for infrared and microwave camouflage; (f) Metal-semiconductor-metal metamaterial for visible and infrared stealth technologies

Fig. 9. (a) Multilayer for thermal stealth and thermal management; (b) Metamaterials for infrared camouflage and thermal management; (c) Multilayer for high-temperature infrared camouflage and thermal management; (d) MIM metamaterial for high-temperature infrared camouflage and thermal management; (e) Metamaterial for visible and infrared display with stealth technology; (f) GST for infrared encryption and stealth technology; (g) Infrared encryption and stealth technology based on VO₂; (h) Infrared display and infrared stealth based on VWO₂; (i) Switchable infrared stealth metamaterials based on inverse design

Fig. 10. (a)-(b) Implementation of adaptive infrared stealth technology by manipulating the chalcogenide PCM; (c) Regulation liquid crystal of orientation angle distribution for adaptive infrared stealth technology; (d)-(f) Vanadium oxide regulation for adaptive infrared stealth technology; (g)-(h) Graphene regulation for adaptive infrared stealth technology; (i)-(j) Implementation of adaptive infrared stealth technology by regulating scale of MIM metal metamaterial and employing metal electric deposition method