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A superlens usually has only a small wavelength range of operation. We use effective medium theory to show that a multilayered superlens consisting of polar dielectrics can be designed to have multiple operation wavelengths. Our proposed device made from layers of Strontium Titanate (STO) and Silicon Carbide (SiC) promises subwavelength imaging at both infrared and Terahertz (THz) wavelengths.

metamaterials, superlens, infrared, phonon