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Journal Article
Reconfigurable Gradient Index Using VO2 Memory Metamaterials
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- Authors
- M. D. Goldflam, T. Driscoll, B. Chapler, O. Khatib, N. Marie Jokerst, S. Palit, D. R. Smith, Bong-Jun Kim, Giwan Seo, Hyun-Tak Kim, M. Di Ventra, D. N. Basov
- Issue Date
- 2011-07
- Citation
- Applied Physics Letters, v.99, no.4, pp.1-3
- ISSN
- 0003-6951
- Publisher
- American Institute of Physics (AIP)
- Language
- English
- Type
- Journal Article
- Abstract
- 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 scales 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. © 2011 American Institute of Physics.
- KSP Keywords
- Electrical pulse, Gradient index, Potential applications, Spatial scales, Vanadium Dioxide, electrical tuning, split-ring resonator