메뉴 건너뛰기




Volumn 54, Issue 5, 2009, Pages 1253-1264

Ultra fast electromagnetic field computations for RF multi-transmit techniques in high field MRI

Author keywords

[No Author keywords available]

Indexed keywords

ANALYTICAL METHODS; BASIS FUNCTIONS; ELECTROMAGNETIC EXCITATIONS; ELECTROMAGNETIC FIELD COMPUTATIONS; FDTD CALCULATIONS; FDTD SIMULATIONS; FULL-WAVE SIMULATIONS; GENERAL SOLUTIONS; HIGH-FIELD MRIS; HIGH-SPEED; HOMOGENEOUS REGIONS; LOCAL ELECTRIC FIELDS; MAGNETIC EXCITATION FIELDS; ON-LINE CONTROLS; SIMULATION RESULTS; SPECIFIC ABSORPTION RATES; ULTRA FASTS;

EID: 63649096049     PISSN: 00319155     EISSN: 13616560     Source Type: Journal    
DOI: 10.1088/0031-9155/54/5/010     Document Type: Article
Times cited : (29)

References (25)
  • 1
    • 0018190215 scopus 로고
    • RF magnetic field penetration, phase shift and power dissipation in biological tissue: Implications for NMR imaging
    • Bottomley P A and Andrew E R 1978 RF magnetic field penetration, phase shift and power dissipation in biological tissue: implications for NMR imaging Phys. Med. Biol. 23 630-43
    • (1978) Phys. Med. Biol. , vol.23 , Issue.4 , pp. 630-643
    • Bottomley, P.A.1    Andrew, E.R.2
  • 3
    • 12744262814 scopus 로고    scopus 로고
    • Central brightening due to constructive interference with, without, and despite dielectric resonance
    • Collins C M, Liu W, Schreiber W, Yang Q X and Smith M B 2005 Central brightening due to constructive interference with, without, and despite dielectric resonance J. Magn. Reson. Imag. 21 192-6
    • (2005) J. Magn. Reson. Imag. , vol.21 , Issue.2 , pp. 192-196
    • Collins, C.M.1    Liu, W.2    Schreiber, W.3    Yang, Q.X.4    Smith, M.B.5
  • 4
    • 0035088714 scopus 로고    scopus 로고
    • 1 distribution, SNR and SAR for a surface coil adjacent to an anatomically-accurate human body model
    • 1 distribution, SNR and SAR for a surface coil adjacent to an anatomically-accurate human body model Magn. Reson. Med. 45 692-9
    • (2001) Magn. Reson. Med. , vol.45 , Issue.4 , pp. 692-699
    • Collins, C.M.1    Smith, M.B.2
  • 5
    • 33847718735 scopus 로고    scopus 로고
    • Array-optimized composite pulse for excellent whole-brain homogeneity in high-field MRI
    • Collins C M, Wang Z, Mao W, Fang J, Liu W and Smith M B 2007 Array-optimized composite pulse for excellent whole-brain homogeneity in high-field MRI Magn. Reson. Med. 57 470-4
    • (2007) Magn. Reson. Med. , vol.57 , Issue.3 , pp. 470-474
    • Collins, C.M.1    Wang, Z.2    Mao, W.3    Fang, J.4    Liu, W.5    Smith, M.B.6
  • 6
    • 0025934166 scopus 로고
    • An analytical model for the design of RF resonators for MR body imaging
    • Foo T K F, Hayes C E and Kang Y W 1991 An analytical model for the design of RF resonators for MR body imaging Magn. Reson. Med. 21 165-77
    • (1991) Magn. Reson. Med. , vol.21 , Issue.2 , pp. 165-177
    • Foo, T.K.F.1    Hayes, C.E.2    Kang, Y.W.3
  • 9
    • 0033945956 scopus 로고    scopus 로고
    • Sensitivity and power deposition in a high field imaging experiment
    • Hoult D I and Phil D 2000 Sensitivity and power deposition in a high field imaging experiment J. Magn. Reson. Imag. 12 46-67
    • (2000) J. Magn. Reson. Imag. , vol.12 , Issue.1 , pp. 46-67
    • Hoult, D.I.1    Phil, D.2
  • 10
    • 33846836945 scopus 로고    scopus 로고
    • Ultrahigh-field MRI whole-slice and localized RF field excitations using the same RF transmit array
    • Ibrahim T S 2006 Ultrahigh-field MRI whole-slice and localized RF field excitations using the same RF transmit array IEEE Trans. Med. Imag. 25 1341-7
    • (2006) IEEE Trans. Med. Imag. , vol.25 , Issue.10 , pp. 1341-1347
    • Ibrahim, T.S.1
  • 11
    • 0033877307 scopus 로고    scopus 로고
    • Application of finite difference time domain method for the design of birdcage RF head coils using multi-port excitations
    • Ibrahim T S, Lee R, Baertlein B A, Kangarlu A and Robitaille P L 2000 Application of finite difference time domain method for the design of birdcage RF head coils using multi-port excitations Magn. Res. Imag. 18 733-42
    • (2000) Magn. Res. Imag. , vol.18 , Issue.6 , pp. 733-742
    • Ibrahim, T.S.1    Lee, R.2    Baertlein, B.A.3    Kangarlu, A.4    Robitaille, P.L.5
  • 12
    • 34249889042 scopus 로고    scopus 로고
    • 1 field homogeneity for human MRI via rigorous FDTD approach
    • 1 field homogeneity for human MRI via rigorous FDTD approach J. Magn. Reson. Imag. 25 1235-47
    • (2007) J. Magn. Reson. Imag. , vol.25 , Issue.6 , pp. 1235-1247
    • Ibrahim, T.S.1    Tang, L.2
  • 13
    • 0029827185 scopus 로고    scopus 로고
    • Computation of electromagnetic fields for high-frequency magnetic resonance imaging applications
    • Jin J M, Chen J, Chen W C, Gan H, Magin R L and Dimbylow P J 1996 Computation of electromagnetic fields for high-frequency magnetic resonance imaging applications Phys. Med. Biol. 41 2719-38
    • (1996) Phys. Med. Biol. , vol.41 , Issue.12 , pp. 2719-2738
    • Jin, J.M.1    Chen, J.2    Chen, W.C.3    Gan, H.4    Magin, R.L.5    Dimbylow, P.J.6
  • 16
    • 26044442541 scopus 로고    scopus 로고
    • 1 distribution, specific energy absorption rate, and intrinsic signal-to-noise ratio for a body-size birdcage coil loaded with different human subjects at 64 and 128 MHz
    • 1 distribution, specific energy absorption rate, and intrinsic signal-to-noise ratio for a body-size birdcage coil loaded with different human subjects at 64 and 128 MHz Appl. Magn. Reson. 29 5-18
    • (2005) Appl. Magn. Reson. , vol.29 , Issue.1 , pp. 5-18
    • Liu, W.1    Collins, C.M.2    Smith, M.B.3
  • 18
    • 0032129166 scopus 로고    scopus 로고
    • Standing-wave and RF penetration artefacts caused by elliptical geometry: An electrodynamic analysis of MRI
    • Sled J G and Pike G B 1998 Standing-wave and RF penetration artefacts caused by elliptical geometry: an electrodynamic analysis of MRI IEEE Trans. Med. Imag. 17 653-62
    • (1998) IEEE Trans. Med. Imag. , vol.17 , Issue.4 , pp. 653-662
    • Sled, J.G.1    Pike, G.B.2
  • 19
    • 1242352263 scopus 로고    scopus 로고
    • 2 D full wave solution for the analysis and design of birdcage coils
    • Spence D K and Wright S M 2003 2 D full wave solution for the analysis and design of birdcage coils Concepts Magn. Reson. B 18b 15-23
    • (2003) Concepts Magn. Reson. , vol.18 , Issue.1 , pp. 15-23
    • Spence, D.K.1    Wright, S.M.2
  • 24
    • 0034962138 scopus 로고    scopus 로고
    • 7 T versus 4 T: RF power, homogeneity, and signal-to-noise comparison in head images
    • Vaughan J T et al 2001 7 T versus 4 T: RF power, homogeneity, and signal-to-noise comparison in head images Magn. Reson. Med. 46 24-30
    • (2001) Magn. Reson. Med. , vol.46 , Issue.1 , pp. 24-30
    • Vaughan, J.T.1    Al, E.2
  • 25
    • 33846078031 scopus 로고    scopus 로고
    • Actual flip-angle imaging in the pulsed steady state: A method for rapid three-dimensional mapping of the transmitted radiofrequency field
    • Yarnykh V L 2007 Actual flip-angle imaging in the pulsed steady state: a method for rapid three-dimensional mapping of the transmitted radiofrequency field Magn. Reson. Med. 57 192-200
    • (2007) Magn. Reson. Med. , vol.57 , Issue.1 , pp. 192-200
    • Yarnykh, V.L.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.