Journal
PHYSICAL REVIEW B
Volume 73, Issue 7, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.73.073102
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In this Brief Report we experimentally demonstrate a possibility to channel the near field distribution of a line source with sub-wavelength details through a layer of an electromagnetic crystal. Channeled intensity maximum having radius of lambda/10 has been obtained using an electrically dense lattice of capacitively loaded wires. The loading allows us to reduce the lattice period dramatically so that it is only a small fraction of the free-space wavelength. It is shown that losses in the structure only decrease the total amplitude of the channeled intensity distribution, but do not influence the details.
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