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Jun, Young Chul
Laboratory of Nanophotonics & Metamaterials (NanoMeta)
Research Interests
  • Nanophotonics, plasmonics, metamaterials, 4D printing, programmable matter, smart materials

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Transformation Optics and Invisibility Cloaking

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Title
Transformation Optics and Invisibility Cloaking
Author
Sung Chan LimIn Cheol SeoYoung Chul Jun
Keywords
Transformation optics; Invisibility cloaking; Metamaterials; Nano-optics; 변환광학; 투명망토; 메타물질; 나노광학
Issue Date
2014-09
Publisher
한국물리학회
Citation
새물리, v.64, no.11, pp.1045 - 1053
Abstract
Transformation Optics (TO) enables arbitrary control of electromagnetic waves via spatially-tailored effective material parameters. TO is revolutionizing our understanding of how to control the flow of light. It not only revolutionizes the fundamental physics of light-matter interactions, but also implements totally new optical functions. For instance, it enables highly unusual optical functions that may otherwise be almost impossible or difficult to obtain, such as invisibility cloaking, illusion optics, optical black holes, lossless waveguide bends, $etc$. The basic idea is that a mathematical transformation of space can be represented by a change in the material effective parameters. TO provides an elegant way to control the flow of light, but it usually requires extreme material parameters that can be too complicated to realize or can be implemented only through resonant metallic metamaterials. However, meaningful advances have been made recently to resolve these difficulties. In this review article, we introduce the concepts of TO and explore recent developments. There has been a plethora of new ideas in this field, but large opportunities for both fundamental and applied research are still waiting for us
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ISSN
0374-4914
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