NDLI: Non-Euclidean Cloaking for Light Waves

Content Provider	IEEE Xplore Digital Library
Author	Tyc, T. Huanyang Chen Che Ting Chan Leonhardt, U.
Copyright Year	1995
Abstract	Non-Euclidean geometry, combined with transformation optics, has recently led to the proposal of an invisibility cloak that avoids optical singularities and can, therefore, work, in principle, in a broadband of the spectrum [U. Leonhardt and T. Tyc, Science, vol. 323, pp. 110-112, 2009]. Such a cloak is perfect in the limit of geometrical optics, but not in wave optics. Here, we analyze, both analytically and numerically, full-wave propagation in non-Euclidean cloaking. We show that the cloaking device performs remarkably well even in a regime beyond geometrical optics where the device is comparable in size with the wavelength. In particular, the cloak is nearly perfect for a spectrum of frequencies that are related to spherical harmonics. We also show that for increasing wavenumber, the device works increasingly better, approaching perfect behavior in the limit of geometrical optics.
Sponsorship	IEEE Lasers and Electro-Optics Society
Starting Page	418
Ending Page	426
Page Count	9
File Size	1353202
File Format	PDF
ISSN	1077260X
Volume Number	16
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Geometrical optics Proposals Physics Optical design Metamaterials Optical propagation Space technology Optical refraction Optical variables control Frequency wave propagation Electromagnetic cloaking transformation optics
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electrical and Electronic Engineering

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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