| Zugriffsnummer | 10198 |
| Dokumenttyp | Konferenzartikel |
| Sprache | Englisch |
| Titel | Quantitative numerical and experimental analysis of the B1+ and SAR distribution of loaded 3 T proton surface coils |
| Autor(in); Institution |
Wübbeler, Gerd; 8.12, Biomedizinische Optik und NMR-Messtechnik, PTB-Berlin
Seifert, Frank; 8.12, Biomedizinische Optik und NMR-Messtechnik, PTB-Berlin
Rinneberg, Herbert; 8, Medizinphysik und metrologische Informationstechnik, PTB-Berlin
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| Quelle/Jahr | ESMRMB 2003 : 20th Annual Scientific Meeting // ESMRMB, European Society for Magnetic Resonance in Medicine and Biology : Rotterdam, NL, Sept. 18-21, 2003 ; in: Magnetic Resonance Materials in Physics, Biology and Medicine: 16 (2003), Suppl. 1 |
| ISSN | 1352-8661 |
| Verlag | Berlin: Springer |
| Konferenzangaben | ESMRMB Annual Meeting 2003, Rotterdam, 18-21, September, 2003, The Netherlands |
| Zusammenfassung | Pronounced distortions of the spatial B1-field distribution arises at higher frequencies (f ) 100 MHz) in the body. The knowledge the B1 distribution is important for multichannel receive methods (SENSE, SMASH) as well as for adaptive coil control schemes in the multichannel transmit case. The assessment of the SAR values requires knowledge of the absolute RF-field values, calibrated to the input power. In this work the distribution of B1+ and temperature was determined experimentally and numerically in different phantoms for different loaded 3 T proton surface coils operated at 125 MHz. |
