Low Losses Left Handed Materials Using Metallic Magnetic Cylinders

Details Low Losses Left Handed Materials Using Metallic Magnetic Cylinders Low Losses Left Handed Materials Using Metallic Magnetic Cylinders

2004-03-18

arxiv.org/abs/cond-mat/0403479v1

Physics

Condensed Matter

Materials Science

Scientific paper

10.1103/PhysRevE.71.046611

We discuss materials based on arrays of metallic magnetic cylindrical structures near ferromagnetic resonance with applied magnetic fields at microwave frequencies. We have found that the materials have a negative refraction index when the appropriate structure is chosen. Numerical FDTD simulations were performed, after a very large number of geometries were swept. The simulations reveal that only ferromagnetic cylinders, with diameters of 0.1 cm and 0.5 cm apart, and with periodic or random configurations, are left-handed materials with very small losses; i.e. with transmitivity practically unity or no losses.

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