Transmutation of singularities in optical instruments

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Authors	TYC Tomáš LEONHARDT Ulf
Year of publication	2008
Type	Article in Periodical
Magazine / Source	New Journal of Physics
MU Faculty or unit	Faculty of Science
Citation
web	http://www.iop.org/EJ/abstract/1367-2630/10/11/115038
Field	Optics, masers and lasers
Keywords	Singularity; transformation optics; anisotropy
Description	Employing transformation optics, 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. We find a refractive index distribution equivalent to the original one that is nonsingular but shows a slight anisotropy. The method is likely to find applications in designing and improving optical devices.
Related projects:	Mathematical structures and their physical applications