Fig. 4: Electromagnetic field distributions of the two types of Ti/Ge/Si3N4/Ti absorbers at their three resonant wavelengths along the LWIR range. | Light: Science & Applications

Fig. 4: Electromagnetic field distributions of the two types of Ti/Ge/Si3N4/Ti absorbers at their three resonant wavelengths along the LWIR range.

From: Ultra-broadband metamaterial absorbers from long to very long infrared regime

Fig. 4

Ti/Ge/Si3N4/Ti absorber with periodic nano-cross and nano-strip top metallic resonators: a electric field distributions in the top layer (x-y plane). b Magnetic field distributions in the dielectric (x-z plane, y = 0). Ti/Ge/Si3N4/Ti absorber with periodic irregular nano-cross top metallic resonators: c electric field distributions in the top layer (x-y plane). d Magnetic field distributions in the dielectric (x-z plane, y = 0). e Magnetic field distributions in the dielectric (y-z plane, x = 0)

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