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Proposal Of Cylindrical Rolled-Up Metamaterial Lenses For Magnetic Resonance Imaging Application And Preliminary Experimental Demonstration
KTH, School of Information and Communication Technology (ICT), Centres, Zhejiang-KTH Joint Research Center of Photonics, JORCEP.
KTH, School of Information and Communication Technology (ICT), Centres, Zhejiang-KTH Joint Research Center of Photonics, JORCEP.
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.ORCID iD: 0000-0002-3401-1125
2012 (English)In: Progress In Electromagnetics Research, ISSN 1559-8985, Vol. 124, 151-162 p.Article in journal (Refereed) Published
Abstract [en]

In this paper, we propose a cylindrical rolled-up negative permeability metamaterial (MM) lens for magnetic resonance imaging (MRI), and some analyses are given. The proposed cylindrical MM lens is fabricated by rolling a MM slab (constituted with capacitive-loaded copper split rings) into a tube that resembles a hollow ring. It can focus the field of a magnetic line source, which can increase the penetration depth and improve the sensitivity of a surface coil. The proposed cylindrical MM lens can also improve the discrimination of the signals coming from two independent sources. A clinical experiment is carried out in a General Electric Signa 1.5 T MRI system in order to verify the focusing ability of the proposed device.

Place, publisher, year, edition, pages
2012. Vol. 124, 151-162 p.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-93409DOI: 10.2528/PIER11121402ISI: 000300644900010Scopus ID: 2-s2.0-84856261769OAI: oai:DiVA.org:kth-93409DiVA: diva2:515781
Note

QC 20120416

Available from: 2012-04-16 Created: 2012-04-16 Last updated: 2016-12-22Bibliographically approved

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He, Sailing

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