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Title: Far field free-space measurement of three dimensional hole-in-Teflon invisibility cloak
Authors: Wang, N.
Ma, Y.
Huang, R. 
Ong, C.K. 
Issue Date: 11-Mar-2013
Citation: Wang, N., Ma, Y., Huang, R., Ong, C.K. (2013-03-11). Far field free-space measurement of three dimensional hole-in-Teflon invisibility cloak. Optics Express 21 (5) : 5941-5948. ScholarBank@NUS Repository.
Abstract: In this paper, we report a fabrication of a three-dimensional (3D) carpet cloak that works for any polarization in free space. Two-dimensional (2D) conformal mapping is first employed and the 3D structure is generated by a rotation of the 2D cloak. The structure of the cloak is hole-indielectric. The triangular invisible region has a height of 36 mm (one third of the height of the whole device) and a width of 240 mm. The cloaking effect is examined in free space by measuring the scattering parameters. The results show our device has very good cloaking performance in a wide frequency range from 4 to10 GHz. © 2013 Optical Society of America.
Source Title: Optics Express
ISSN: 10944087
DOI: 10.1364/OE.21.005941
Appears in Collections:Staff Publications

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