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Gradient index metamaterials
Open accessAbstract
Metamaterials--artificially structured materials with tailored electromagnetic response--can be designed to have properties difficult or impossible to achieve with traditional materials fabrication methods. Here we present a structured metamaterial, based on conducting split ring resonators (SRRs), which has an effective index of refraction with a constant spatial gradient. We experimentally confirm the gradient by measuring the deflection of a microwave beam by a planar slab of the composite metamaterial over a range of microwave frequencies. The gradient index metamaterial may prove an advantageous alternative approach to the development of gradient index lenses and similar optics, especially at higher frequencies. In particular, the gradient index metamaterial we propose may be suited for terahertz applications, where the magnetic resonant response of SRRs has recently been demonstrated.
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Cited by
Coding Metamaterials, Digital Metamaterials and Programmable Metamaterials
Cui, T. J., Qi, M. Q., Wan, X., Zhao, J., & Cheng, Q. (2014) · Light: Science & Applications · doi:10.1038/lsa.2014.99 · Cited by 3,801
High-Efficiency Broadband Anomalous Reflection by Gradient Meta-Surfaces
Sun, S., Yang, K.-Y., Wang, C.-M., Juan, T.-K., Chen, W. T., Liao, C. Y., He, Q., Xiao, S., Kung, W.-T., Guo, G.-Y., et al. (2012) · Nano Letters · doi:10.1021/nl3032668 · Cited by 1,380
Photonic Spin Hall Effect at Metasurfaces
Yin, X., Ye, Z., Rho, J., Wang, Y., & Zhang, X. (2013) · Science · doi:10.1126/science.1231758 · Cited by 1,300
High‐Efficiency Metasurfaces: Principles, Realizations, and Applications
He, Q., Sun, S., Xiao, S., & Zhou, L. (2018) · Advanced Optical Materials · doi:10.1002/adom.201800415 · Cited by 365
Reconciliation of generalized refraction with diffraction theory
Larouche, S., & Smith, D. R. (2012) · Optics Letters · doi:10.1364/ol.37.002391 · Cited by 253
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Metadata
- Authors
- Smith, D. R., Mock, J. J., Starr, A. F., & Schurig, D.
- Venue
- Physical Review E
- Publisher
- American Physical Society (APS)
- Published
- 2005-03-17
- Volume
- 71
- Issue
- 3
- Pages
- 036609-036609
- ISSN
- 1539-3755 (ISSN-L)
- 1550-2376
- OpenAlex
- W75536252
- Cited by
- 385
- References
- 0
- FWCI
- 4.98
- Type
- journal article
- Language
- en
- Open access
- green
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