Journal
SCIENCE
Volume 337, Issue 6094, Pages 549-552Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1220600
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Funding
- U.S. Army Research Office [W911NF-09-1-0539]
- European Community project PHOME [213390]
- Leverhulme Trust
- Engineering and Physical Sciences Research Council
- EPSRC [EP/H000917/1, EP/D063329/1, EP/H000917/2] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/H000917/2, EP/D063329/1, EP/H000917/1] Funding Source: researchfish
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Our intuitive understanding of light has its foundation in the ray approximation and is intimately connected with our vision. As far as our eyes are concerned, light behaves like a stream of particles. We look inside the wavelength and study the properties of plasmonic structures with dimensions of just a few nanometers, where at a tenth or even a hundredth of the wavelength of visible light the ray picture fails. We review the concept of transformation optics that manipulates electric and magnetic field lines, rather than rays; can provide an equally intuitive understanding of subwavelength phenomena; and at the same time can be an exact description at the level of Maxwell's equations.
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