Enhancing and suppressing radiation with some permeability-near-zero structures

Details Enhancing and suppressing radiation with some permeability-near-zero structures Enhancing and suppressing radiation with some permeability-near-zero structures

2010-06-16

arxiv.org/abs/1006.3185v2

Opt. Express 18, 16587-16593 (2010)

Physics

Optics

6 pages, 5 figures

Scientific paper

Using some special properties of a permeability-near-zero material, the radiation of a line current is greatly enhanced by choosing appropriately the dimension of a dielectric domain in which the source lies and that of a permeability-near-zero shell. The radiation of the source can also be completely suppressed by adding appropriately another dielectric domain or an arbitrary perfect electric conductor (PEC) inside the shell. Enhanced directive radiation is also demonstrated by adding a PEC substrate.

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