Design of a polarization-insensitive triple-band metamaterial absorber

A Dual-band Polarization Insensitive Metamaterial Absorber With a Single Metal Square Patch for Sensing Application

“…3 shows absorption spectra with the different lattice constant P. It can be found that the peak 1 shift to the larger wavelength with the increase of the lattice constant P, while the shift of peak 2 is neglected. Therefore，the physical mechanism of peak 1 is attributed to surface lattice resonance, which is distinct from the previously reported sandwich structure with only electromagnetic resonance or interference mechanisms [24,25]. The surface lattice resonance can be predicted approximately by the first-order diffraction mode of grating [23].…”

An Ultrathin Compact Polarization-Sensitive Triple-band Microwave Metamaterial Absorber

“…Each resonating element in the unit cell has its own absorptivity and resonant frequency; 15,20,21 however, coupling between two metallic resonators of the proposed MMA creates an extra absorption peak utilizing the optimized geometrical structure and its dimensions. 22 The optimized parameters of the MMA are a = 10, b = 6.75, c = 5.565, d = 2.92, e = 1.75, f = 0.94, g = 1.58, i = 0.4 and j = 0.3 mm. The periodic dimension is 10 mm with the thicknesses of 1.6 mm and 35 lm for the dielectric and metallic layers, respectively.…”

A dual-band polarization insensitive metamaterial absorber with a single metal square patch for sensing application

“…[1][2][3][4][5][6][7][8][9][10][11][12][13][14][15]. These applications are mainly attributed to the unique properties of sub-wavelength metallic structure supporting localized surface plasmonic resonance modes [16][17][18][19][20][21][22][23][24][25][26][27]. Recently, it is shown the inherent losses of metallic structures can enhance absorption and achieve perfect absorption by speci c structures [28][29][30][31][32].…”