Photonic band-gap effects and magnetic activity in dielectric composites
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- 5 April 2002
- journal article
- Published by IOP Publishing in Journal of Physics: Condensed Matter
- Vol. 14 (15) , 4035-4044
- https://doi.org/10.1088/0953-8984/14/15/317
Abstract
We develop an effective medium description of a two-dimensional photonic band-gap medium composed of dielectric cylinders of large dielectric constant. Using the transfer matrix method we have calculated reflection coefficients for a slab of the composite and plane-wave incidence, as well as the (complex) wavevector for the infinite system. From these quantities we derive an effective permittivity and permeability for the composite. In the case of p-polarized incidence the composite displays a negative magnetic permeability at microwave frequencies due to single-scatterer resonances in the medium.Keywords
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