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Cylindrical invisibility cloak based on photonic crystal layers that permits communication with the outside |
JOSA B, Vol. 29, Issue 12, pp. 3344-3348 (2012)
http://dx.doi.org/10.1364/JOSAB.29.003344
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Abstract
Invisibility cloaks designed by transformation optics include a perfect shield, which exclude electromagnetic fields from the cloaked region. Due to the shield, observers inside the cloak cannot see the outside. We propose a cloak that permits communication with the outside, based on a layered photonic crystal (PC) structure. The PC acts as an effective shield in the reflection bandgap, leaving the transmission band available for communication with the outside. A procedure to design an infinitely long cylindrical cloak consisting of concentric layers of dielectric and metal is given. For the proposed structure, the performance of cloaking in the reflection band and of communication in the transmission band is computed.
© 2012 Optical Society of America
OCIS Codes
(230.0230) Optical devices : Optical devices
(160.5298) Materials : Photonic crystals
(230.3205) Optical devices : Invisibility cloaks
ToC Category:
Materials
History
Original Manuscript: July 19, 2012
Revised Manuscript: September 20, 2012
Manuscript Accepted: October 10, 2012
Published: November 16, 2012
Citation
Naoki Okada and James B. Cole, "Cylindrical invisibility cloak based on photonic crystal layers that permits communication with the outside," J. Opt. Soc. Am. B 29, 3344-3348 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-12-3344
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