The almost perfect lens and focusing of evanescent waves |
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| Authors: | L.E. Helseth |
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| Affiliation: | Department of Physics and Technology, University of Bergen, N-5007 Bergen, Norway Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore |
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| Abstract: | We propose a general method for evaluating the field in the focal region of nearly perfect one-dimensional lenses, and study how evanescent waves contribute to the electric field behind subwavelength apertures. The approach presented here may give a better insight into how to shape and focus evanescent waves. |
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