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@article{1816638,
author = {Bělín, Jakub and Courtial, Johannes and Tyc, Tomáš},
article_number = {25},
doi = {http://dx.doi.org/10.1364/OE.442825},
keywords = {Lens; Transformation optics; Platonic lenses; lens cloak},
language = {eng},
issn = {1094-4087},
journal = {Optics Express},
title = {Lens stars and Platonic lenses},
url = {https://www.osapublishing.org/oe/fulltext.cfm?uri=oe-29-25-42055&id=465587},
volume = {29},
year = {2021}
}
TY - JOUR
ID - 1816638
AU - Bělín, Jakub - Courtial, Johannes - Tyc, Tomáš
PY - 2021
TI - Lens stars and Platonic lenses
JF - Optics Express
VL - 29
IS - 25
SP - 42055-42074
EP - 42055-42074
PB - Optical Society of America
SN - 10944087
KW - Lens
KW - Transformation optics
KW - Platonic lenses
KW - lens cloak
UR - https://www.osapublishing.org/oe/fulltext.cfm?uri=oe-29-25-42055&id=465587
N2 - Lens stars comprise identical ideal thin lenses arranged in a regular star shape centred on the common principal point. They satisfy the edge-imaging condition of transformation optics (TO) and are thus suitable as building blocks of ideal-lens TO devices [J. Opt. Soc. Am. A 37, 305 (2020)]. Here we show that the ray trajectories in lens stars are piecewise straight approximations of conic sections. We also generalise lens stars to Platonic lenses, highly symmetric combinations of lens stars based on Platonic solids, and find that ray trajectories in Platonic lenses are closed and planar; we design a more general ideal-lens cloak; and we clarify the process of designing ideal-lens TO devices. Throughout, we illustrate our results with ray-tracing simulations. Our results add to the knowledge of TO with ideal lenses.
ER -
BĚLÍN, Jakub, Johannes COURTIAL a Tomáš TYC. Lens stars and Platonic lenses. \textit{Optics Express}. Optical Society of America, 2021, roč.~29, č.~25, s.~42055-42074. ISSN~1094-4087. Dostupné z: https://dx.doi.org/10.1364/OE.442825.
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