Soft optical metamaterials

Optical metamaterials consist of artificially engineered structures exhibiting unprecedented optical properties beyond natural materials. Optical metamaterials offer many novel functionalities, such as super-resolution imaging, negative refraction and invisibility cloaking. However, most optical met...

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Bibliographic Details
Published in:Nano convergence 2020, 7(18), , pp.1-17
Main Authors: Chen, Yixin, Ai, Bin, Wong, Zi Jing
Format: Article
Language:English
Subjects:
Advance in Photonic Devices Scaling Down to the Nanoscale
Chemistry and Materials Science
Image resolution
Materials Science
Metamaterials
Metasurfaces
Nanofabrication
Nanophotonics
Nanoscale Science and Technology
Nanotechnology
Nanotechnology and Microengineering
Optical properties
Reconfigurable metamaterials
Review
Soft matter
Stealth technology
Visibility
고분자공학
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Summary:Optical metamaterials consist of artificially engineered structures exhibiting unprecedented optical properties beyond natural materials. Optical metamaterials offer many novel functionalities, such as super-resolution imaging, negative refraction and invisibility cloaking. However, most optical metamaterials are comprised of rigid materials that lack tunability and flexibility, which hinder their practical applications. This limitation can be overcome by integrating soft matters within the metamaterials or designing responsive metamaterial structures. In addition, soft metamaterials can be reconfigured via optical, electrical, thermal and mechanical stimuli, thus enabling new optical properties and functionalities. This paper reviews different types of soft and reconfigurable optical metamaterials and their fabrication methods, highlighting their exotic properties. Future directions to employ soft optical metamaterials in next-generation metamaterial devices are identified.
ISSN:2196-5404
2196-5404
DOI:10.1186/s40580-020-00226-7