Three-dimensional thermal illusion devices with arbitrary shape

Zhang Xingwei¹, He Xiao^{1, †}, Wu Linzhi^{1, 2, ‡}

The simulation results of a thermal concentrator. Panels (a1)–(a3) and (b1)–(b3) are the 2D and 3D simulation results of the reference sample without a concentrator, respectively. Panels (c1)–(c3) and (d1)–(d3) are the 2D and 3D simulation results of the concentrator worked sample, respectively.