Controlling refractive index of transformation-optics devices via optical path rescaling.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
05 Dec 2019
05 Dec 2019
Historique:
received:
12
05
2019
accepted:
15
11
2019
entrez:
6
12
2019
pubmed:
6
12
2019
medline:
6
12
2019
Statut:
epublish
Résumé
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.
Identifiants
pubmed: 31804518
doi: 10.1038/s41598-019-54516-0
pii: 10.1038/s41598-019-54516-0
pmc: PMC6895162
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
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