Photonic crystals composed of Eaton lenses and invisible lenses

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Authors

FOROUZESHFARD Mohammadreza TYC Tomáš

Year of publication 2017
Type Article in Periodical
Magazine / Source PHYSICAL REVIEW A
MU Faculty or unit

Faculty of Science

Citation
Web http://journals.aps.org/pra/abstract/10.1103/PhysRevA.95.013822
Doi http://dx.doi.org/10.1103/PhysRevA.95.013822
Field Optics, masers and lasers
Keywords photonic crystal; Eaton lens; invisible lens; bandgap
Description We propose a photonic crystal composed of Eaton lenses and invisible lenses, respectively. We show that for certain frequency ranges the photonic crystal of Eaton lenses is transparent, whereas the crystal composed of invisible lenses cannot be penetrated by the light waves. This is exactly the opposite behavior than one can observe within geometrical optics where the Eaton lens works as a perfect retroreflector, while the invisible lens is transparent.
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