All-frequency reflectionlessness
arXiv:1510.02920 · doi:10.1088/2040-8978/18/1/01LT01
Abstract
We derive planar permittivity profiles that do not reflect perpendicularly exiting radiation of any frequency. The materials obey the Kramers-Kronig relations and have no regions of gain. Reduction of the Casimir force by means of such materials is also discussed.
7 pages
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