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Illusion Optics: Disguising with Ordinary Dielectric Materials
Zhejiang Univ, Ctr Opt & Electromagnet Res, State Key Lab Modern Opt Instrumentat, Hangzhou 310058, Zhejiang, Peoples R China..
Zhejiang Univ, Ctr Opt & Electromagnet Res, State Key Lab Modern Opt Instrumentat, Hangzhou 310058, Zhejiang, Peoples R China..
KTH, School of Electrical Engineering and Computer Science (EECS), Electromagnetic Engineering. Zhejiang Univ, Ctr Opt & Electromagnet Res, State Key Lab Modern Opt Instrumentat, Hangzhou 310058, Zhejiang, Peoples R China.ORCID iD: 0000-0002-3401-1125
2019 (English)In: Advanced Materials, ISSN 0935-9648, E-ISSN 1521-4095, Vol. 31, no 6, article id 1805106Article in journal (Refereed) Published
Abstract [en]

Illusion devices are usually designed using transformation optics. Here, a new method is proposed to achieve optical illusions without external devices by elaborately manipulating the scattering potential of an object. In contrast to the conventional transformation optics method, which completely replaces one object by the image of another object using complementary\restoring media and a superlens, the method described here is more of a cosmetic operation for an object, which modifies the scattering pattern of the object to mimic another object by exchanging their scattering potentials in two symmetrical areas in the wave vector domain. Only positive isotropic nonmagnetic materials are introduced in the present method, which is impossible using the conventional method because superlenses require negative-index materials. Both numerical simulations and experimental demonstrations are used to verify the performance of the illusion devices of this method.

Place, publisher, year, edition, pages
WILEY-V C H VERLAG GMBH , 2019. Vol. 31, no 6, article id 1805106
Keywords [en]
illusion optics, isotropic dielectric materials, scattering potential, wave vector domains
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-246266DOI: 10.1002/adma.201805106ISI: 000459630600009PubMedID: 30548888Scopus ID: 2-s2.0-85058405420OAI: oai:DiVA.org:kth-246266DiVA, id: diva2:1299283
Note

QC 20190326

Available from: 2019-03-26 Created: 2019-03-26 Last updated: 2019-05-13Bibliographically approved

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