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Controlling Light Through a Refined Superlens

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Research on superlens promises people a bright future on imaging beyond the diffraction limit and nanofabrication precision at the sub-100 nm scale. However, two issues (the degradation of silver and low contrast of the images) restrain the applications of superlens before it can be adapted to meet the industrial standards for a mature fabrication technique. The refined superlens proposed in this work is an alternative route to address these two issues, which relies on a different imaging mechanism as compared with the silver-based superlens that amplifies the evanescent waves transmitting through the thin metal film. In this work, our refined superlens will be demonstrated to achieve super resolution from strong localized energy penetrating in nanocavities, which is verified by finite difference time domain calculations with further discussion on the observed results.
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Document Type: Short Communication

Publication date: November 1, 2015

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  • Nanoscience and Nanotechnology Letters (NNL) is a multidisciplinary peer-reviewed journal consolidating nanoscale research activities in all disciplines of science, engineering and medicine into a single and unique reference source. NNL provides the means for scientists, engineers, medical experts and technocrats to publish original short research articles as communications/letters of important new scientific and technological findings, encompassing the fundamental and applied research in all disciplines of the physical sciences, engineering and medicine.
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