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Three-dimensional optical metamaterial with a negative refractive index

Author

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  • Jason Valentine

    (NSF Nano-scale Science and Engineering Center (NSEC), 3112 Etcheverry Hall, University of California, Berkeley, California 94720, USA)

  • Shuang Zhang

    (NSF Nano-scale Science and Engineering Center (NSEC), 3112 Etcheverry Hall, University of California, Berkeley, California 94720, USA)

  • Thomas Zentgraf

    (NSF Nano-scale Science and Engineering Center (NSEC), 3112 Etcheverry Hall, University of California, Berkeley, California 94720, USA)

  • Erick Ulin-Avila

    (NSF Nano-scale Science and Engineering Center (NSEC), 3112 Etcheverry Hall, University of California, Berkeley, California 94720, USA)

  • Dentcho A. Genov

    (NSF Nano-scale Science and Engineering Center (NSEC), 3112 Etcheverry Hall, University of California, Berkeley, California 94720, USA)

  • Guy Bartal

    (NSF Nano-scale Science and Engineering Center (NSEC), 3112 Etcheverry Hall, University of California, Berkeley, California 94720, USA)

  • Xiang Zhang

    (NSF Nano-scale Science and Engineering Center (NSEC), 3112 Etcheverry Hall, University of California, Berkeley, California 94720, USA
    Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA)

Abstract

Metamaterials: a glimpse of invisibility Metamaterials are artificially engineered structures that can have properties, such as negative refractive index, not attainable with naturally occurring materials. The first demonstrations of negative refractive index metamaterials (NIMs) were at microwave frequencies, but a wide range of applications, for example in imaging and directional light sources, would open up if optical NIMs were available. So far, only thin, effectively two-dimensional optical metamaterials have been demonstrated, limiting device applications. Valentine et al. now report a three-dimensionally optical metamaterial, a multilayered, cascaded 'fishnet' structure, which unambiguously exhibits negative refractive index over a broad spectral range. A prism constructed with this material demonstrates negative refraction of visible light, and is easily probed from free space, paving the way for practical optical device applications. One day perhaps even the 'invisibility cloak' much touted in the media when this paper was published AOP.

Suggested Citation

  • Jason Valentine & Shuang Zhang & Thomas Zentgraf & Erick Ulin-Avila & Dentcho A. Genov & Guy Bartal & Xiang Zhang, 2008. "Three-dimensional optical metamaterial with a negative refractive index," Nature, Nature, vol. 455(7211), pages 376-379, September.
    • Handle: RePEc:nat:nature:v:455:y:2008:i:7211:d:10.1038_nature07247
    DOI: 10.1038/nature07247
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    Cited by:

    1. Patel, Shobhit K. & Parmar, Juveriya & Katkar, Vijay, 2022. "Graphene-based multilayer metasurface solar absorber with parameter optimization and behavior prediction using Long Short-Term Memory model," Renewable Energy, Elsevier, vol. 191(C), pages 47-58.
    2. Bingyan Liu & Shirong Liu & Vasanthan Devaraj & Yuxiang Yin & Yueqi Zhang & Jingui Ai & Yaochen Han & Jicheng Feng, 2023. "Metal 3D nanoprinting with coupled fields," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    3. Lucca Kühner & Luca Sortino & Rodrigo Berté & Juan Wang & Haoran Ren & Stefan A. Maier & Yuri Kivshar & Andreas Tittl, 2022. "Radial bound states in the continuum for polarization-invariant nanophotonics," Nature Communications, Nature, vol. 13(1), pages 1-8, December.

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