Controlling refractive index of transformation-optics devices via optical path rescaling

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F19%3A00113422" target="_blank" >RIV/00216224:14310/19:00113422 - isvavai.cz</a>
Result on the web
<a href="https://www.nature.com/articles/s41598-019-54516-0" target="_blank" >https://www.nature.com/articles/s41598-019-54516-0</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1038/s41598-019-54516-0" target="_blank" >10.1038/s41598-019-54516-0</a>

Result language
angličtina
Original language name
Controlling refractive index of transformation-optics devices via optical path rescaling
Original language description
We present a general method of designing optical devices based on optical conformal mapping and rescaling the optical path along a given bunch of rays. It provides devices with the same functionality as those based purely on conformal mapping, but enables to manipulate the refractive index to a great extent-for instance, eliminate superluminal regions of space as well as reduce the refractive index in other regions significantly. The method is illustrated in two examples, a waveguide coupler and a plasmonic bump cloak, and numerical simulations confirm its functionality.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10306 - Optics (including laser optics and quantum optics)

Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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