Fig. 5: Experimental performance evaluation of the anisotropic thermal illusion metasurface and isotropic thermal surface. | Communications Materials

Fig. 5: Experimental performance evaluation of the anisotropic thermal illusion metasurface and isotropic thermal surface.

From: Flexible and high precision thermal metasurface

Fig. 5

a The small heat source. b–e The anisotropic thermal illusion metasurfaces: Butterfly(b(i)), Star(c(i)), Man(d(i)) and Woman(e(i)). The isotropic thermal illusion metasurfaces: Butterfly(b(ii)), Star(c(ii)), Man(d(ii)) and Woman(e(ii)). Attach the small heat source to them and get the thermal maps via the IR camera. The thermal maps of the Butterfly(b(i IR)), Star(c(i IR)), Man(d(i IR)) and Woman(e(i IR)) anisotropic thermal illusion metasurfaces. The thermal maps of the Butterfly(b(ii IR)), Star(c(ii IR)), Man(d(ii IR)) and Woman(e(ii IR)) isotropic thermal illusion metasurfaces.

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