Scattering of waves by the invisible lens

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Authors

ZUZAŇÁKOVÁ Kateřina TYC Tomáš

Year of publication 2017
Type Article in Periodical
Magazine / Source Journal of Optics
MU Faculty or unit

Faculty of Science

Citation
Web http://iopscience.iop.org/article/10.1088/2040-8978/19/1/015601
Doi http://dx.doi.org/10.1088/2040-8978/19/1/015601
Field Optics, masers and lasers
Keywords scatterning; invisible lens; Debye potentials; wkb method
Description We investigate the scattering properties of the invisible lens in two ways. First, we describe the scattering of electromagnetic waves by the invisible lens realised by a purely dielectric, purely magnetic, and impedance-matched medium, respectively, using Debye potentials. Second, we employ the Wentzel–Kramers–Brillouin method to analyse the scattering of scalar waves by the lens. We show that in all cases the scattering is negligible for a discrete set of frequencies, while for other frequencies there is a phase slip at the boundary of the lens 'shadow'.
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