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Article: Design of superconducting MRI surface coil by using method of moment

TitleDesign of superconducting MRI surface coil by using method of moment
Authors
KeywordsMoM
MRI
Mutual couplmg
RF coil
Issue Date2002
PublisherIEEE.
Citation
Ieee Transactions On Applied Superconductivity, 2002, v. 12 n. 2, p. 1823-1827 How to Cite?
AbstractA method of moment with an enhanced model to design high-temperature superconductor (HTS) RF surface coils for magnetic resonant image (MRI) is presented. The resonant frequency and quality factor (Q) of HTS RF spiral coils are simulated using this method. The agreements of resonant frequencies and Qs between the simulation and measurement are excellent with differences less than 1% and 3%, respectively. The 0.2-μ m-thick YBaCuO (YBCO) thin films are deposited onto single side of 0.508-mm-thick LaAlO 3 (LAO) and sapphire substrate and patterned into a spiral shape. To accurately analyze the resonant frequency and Q of a coil, an enhanced two-fluid model is employed. HTS RF coils with diameter of 65 mm for 0.2T and 1.5T MRI systems are designed and fabricated with the measured Q of 19 K and 23 K, respectively. In addition, the shift of resonant frequency due to the mutual coupling between two HTS spiral coils is predicted by this method, which is important for design of HTS coil arrays in an MRI system.
Persistent Identifierhttp://hdl.handle.net/10722/42901
ISSN
2015 Impact Factor: 1.092
2015 SCImago Journal Rankings: 0.381
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorFang, Jen_HK
dc.contributor.authorChow, MSen_HK
dc.contributor.authorChan, KCen_HK
dc.contributor.authorWong, KKen_HK
dc.contributor.authorShen, GXen_HK
dc.contributor.authorGao, Een_HK
dc.contributor.authorYang, ESen_HK
dc.contributor.authorMa, QYen_HK
dc.date.accessioned2007-03-23T04:34:20Z-
dc.date.available2007-03-23T04:34:20Z-
dc.date.issued2002en_HK
dc.identifier.citationIeee Transactions On Applied Superconductivity, 2002, v. 12 n. 2, p. 1823-1827en_HK
dc.identifier.issn1051-8223en_HK
dc.identifier.urihttp://hdl.handle.net/10722/42901-
dc.description.abstractA method of moment with an enhanced model to design high-temperature superconductor (HTS) RF surface coils for magnetic resonant image (MRI) is presented. The resonant frequency and quality factor (Q) of HTS RF spiral coils are simulated using this method. The agreements of resonant frequencies and Qs between the simulation and measurement are excellent with differences less than 1% and 3%, respectively. The 0.2-μ m-thick YBaCuO (YBCO) thin films are deposited onto single side of 0.508-mm-thick LaAlO 3 (LAO) and sapphire substrate and patterned into a spiral shape. To accurately analyze the resonant frequency and Q of a coil, an enhanced two-fluid model is employed. HTS RF coils with diameter of 65 mm for 0.2T and 1.5T MRI systems are designed and fabricated with the measured Q of 19 K and 23 K, respectively. In addition, the shift of resonant frequency due to the mutual coupling between two HTS spiral coils is predicted by this method, which is important for design of HTS coil arrays in an MRI system.en_HK
dc.format.extent246524 bytes-
dc.format.extent25600 bytes-
dc.format.extent4187 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/msword-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherIEEE.en_HK
dc.relation.ispartofIEEE Transactions on Applied Superconductivityen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rights©2002 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.en_HK
dc.subjectMoMen_HK
dc.subjectMRIen_HK
dc.subjectMutual couplmgen_HK
dc.subjectRF coilen_HK
dc.titleDesign of superconducting MRI surface coil by using method of momenten_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1051-8223&volume=12&issue=2&spage=1823&epage=1827&date=2002&atitle=Design+of+superconducting+MRI+surface+coil+by+using+method+of+momenten_HK
dc.identifier.emailShen, GX: gxshen@eee.hku.hken_HK
dc.identifier.emailYang, ES: esyang@hkueee.hku.hken_HK
dc.identifier.authorityShen, GX=rp00166en_HK
dc.identifier.authorityYang, ES=rp00199en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1109/TASC.2002.1020344en_HK
dc.identifier.scopuseid_2-s2.0-0036613690en_HK
dc.identifier.hkuros72147-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0036613690&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume12en_HK
dc.identifier.issue2en_HK
dc.identifier.spage1823en_HK
dc.identifier.epage1827en_HK
dc.identifier.isiWOS:000177116100010-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridFang, J=7402966538en_HK
dc.identifier.scopusauthoridChow, MS=7201688137en_HK
dc.identifier.scopusauthoridChan, KC=34968940300en_HK
dc.identifier.scopusauthoridWong, KK=35222708000en_HK
dc.identifier.scopusauthoridShen, GX=7401967224en_HK
dc.identifier.scopusauthoridGao, E=7101941150en_HK
dc.identifier.scopusauthoridYang, ES=7202021229en_HK
dc.identifier.scopusauthoridMa, QY=7402815617en_HK

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