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|Title:||Transmutation of singularities in optical instruments|
|Source:||Tyc, T., Leonhardt, U. (2008-11-27). Transmutation of singularities in optical instruments. New Journal of Physics 10 : -. ScholarBank@NUS Repository. https://doi.org/10.1088/1367-2630/10/11/115038|
|Abstract:||We propose a method for eliminating a class of singularities in optical media where the refractive index goes to zero or infinity at one or more isolated points. Employing transformation optics, we find a refractive index distribution equivalent to the original one that is nonsingular but shows a slight anisotropy. In this way, the original singularity is 'transmuted' into another, weaker type of singularity where the permittivity and permeability tensors are discontinuous at one point. The method is likely to find applications in designing and improving optical devices by making them easier to implement or to operate in a broad band of the spectrum. © IOP Publishing Ltd and Deutsche Physikalische Gesellschaft.|
|Source Title:||New Journal of Physics|
|Appears in Collections:||Staff Publications|
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