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Accession Number ADA564520
Title Radial Photonic Crystal for Detection of Frequency and Position of Radiation Sources.
Publication Date Aug 2012
Media Count 9p
Personal Author A. Diaz-Rubio D. Torrent F. Cervera J. Carbonell M. A. Kirleis
Abstract Based on the concepts of artificially microstructured materials, i.e. metamaterials, we present here the first practical realization of a radial wave crystal. This type of device was introduced as a theoretical proposal in the field of acoustics, and can be briefly defined as a structured medium with radial symmetry, where the constitutive parameters are invariant under radial geometrical translations. Our practical demonstration is realized in the electromagnetic microwave spectrum, because of the equivalence between the wave problems in both fields. A device has been designed, fabricated and experimentally characterized. It is able to perform beam shaping of punctual wave sources, and also to sense position and frequency of external radiators. Owing to the flexibility offered by the design concept, other possible applications are discussed.
Keywords Beam forming
Electromagnetic spectra
Photonic crystals

Source Agency Non Paid ADAS
NTIS Subject Category 46D - Solid State Physics
46C - Optics & Lasers
Corporate Author Naval Research Lab., Washington, DC.
Document Type Journal article
Title Note Journal article.
NTIS Issue Number 1303
Contract Number N000140910554

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