Far-field flat lens based on multilayered metal- dielectric structure

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V. N. Belyi
M. Binhussain
N. A. Khilo
N. S. Kazak


The detailed investigation has been made of the lens effect in plane multilayered metal-dielectric structures (Ag-TiO2). The optical scheme of the lens has been studied with the radiation focusing in free space. The transfer function is calculated, where the phase profile determines definitely the possibility of focusing. The condition for far-field image formation is found using a flat lens. This condition is used for a numerical simulation of several lens designs with a various number of metal layers. It is found that considered flat lenses have close to limiting angular aperture and therefore the subwavelength resolution. It is established that at increase of a number of metal layers the object and image distances grow.


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Belyi, V. N., Binhussain, M., Khilo, N. A., & Kazak, N. S. (2014). Far-field flat lens based on multilayered metal- dielectric structure. Advanced Electromagnetics, 3(2), 1–5. https://doi.org/10.7716/aem.v3i2.242
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