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dc.contributor.authorChen, Hongshengen
dc.contributor.authorZheng, Binen
dc.contributor.authorShen, Lianen
dc.contributor.authorWang, Huapingen
dc.contributor.authorZhang, Xianminen
dc.contributor.authorZheludev, Nikolay I.en
dc.contributor.authorZhang, Baileen
dc.identifier.citationChen, H., Zheng, B., Shen, L., Wang, H., Zhang, X., Zheludev, N. I., & Zhang, B. (2013). Ray-optics cloaking devices for large objects in incoherent natural light. Nature Communications, 4(2652).en
dc.description.abstractA cloak that can hide living creatures from sight is a common feature of mythology but still remains unrealized as a practical device. To preserve the wave phase, the previous cloaking solution proposed by Pendry and colleagues required transformation of the electromagnetic space around the hidden object in such a way that the rays bending around the object inside the cloak region have to travel faster than those passing it by. This difficult phase preservation requirement is the main obstacle for building a broadband polarization-insensitive cloak for large objects. Here we propose a simplified version of Pendry’s cloak by abolishing the requirement for phase preservation, as it is irrelevant for observation using incoherent natural light with human eyes, which are phase and polarization insensitive. This allows for a cloak design on large scales using commonly available materials. We successfully demonstrate the cloaking of living creatures, a cat and a fish, from the eye.en
dc.description.sponsorshipMOE (Min. of Education, S’pore)en
dc.relation.ispartofseriesNature communicationsen
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. To view a copy of this license, visit
dc.subjectDRNTU::Science::Physics::Optics and lighten
dc.titleRay-optics cloaking devices for large objects in incoherent natural lighten
dc.typeJournal Articleen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen
dc.description.versionPublished versionen
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