Journal
OPTICS EXPRESS
Volume 20, Issue 11, Pages 11787-11795Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.20.011787
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Funding
- Ministry of Innovation NRW
- German Excellence Initiative
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We theoretically propose a multilayered polar-dielectric superlens system capable of sub-diffraction limited imaging simultaneously at different wavelengths. Our theory and simulation results show that this multilayered lens can fulfill a superlensing condition at multiple different wavelengths due to phonon resonances of polar dielectrics, and the number of superlensing wavelengths of the lens can be easily tuned by controlling the number of polar dielectrics. Ideally, by suitably choosing polar dielectrics, our lens can cover wavelengths ranging from infrared to THz frequencies. (C) 2012 Optical Society of America
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