Reconfigurable Gradient Index using VO2 Memory Metamaterials

Details Reconfigurable Gradient Index using VO2 Memory Metamaterials Reconfigurable Gradient Index using VO2 Memory Metamaterials

2011-03-29

arxiv.org/abs/1103.5729v2

Appl. Phys. Lett. 99, 044103 (2011)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 3 figures

Scientific paper

10.1063/1.3615804

We demonstrate tuning of a metamaterial device that incorporates a form of spatial gradient control. Electrical tuning of the metamaterial is achieved through a vanadium dioxide layer which interacts with an array of split ring resonators. We achieved a spatial gradient in the magnitude of permittivity, writeable using a single transient electrical pulse. This induced gradient in our device is observed on spatial sc ales on the order of one wavelength at 1 THz. Thus, we show the viability of elements for use in future devices with potential applications in beamforming and communications

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