Dielectric inserts for sensitivity and RF magnetic field enhancement in NMR volume coils

Journal of Magnetic Resonance

Volumn 200, Issue 1, 2009, Pages 49-55

  Neufeld, Arnon ^a   Landsberg, Naftali ^b   Boag, Amir ^b  

^a TEL AVIV SOURASKY MEDICAL CENTER   (Israel)

^b TEL AVIV UNIVERSITY   (Israel)

Author keywords

Dielectric inserts; Dielectric layer; RF coil; RF Field model; Sensitivity; Signal to Noise Ratio SNR

Indexed keywords

DIELECTRIC INSERTS; DIELECTRIC LAYER; RF COIL; RF FIELD MODEL; SENSITIVITY;

ACOUSTIC INTENSITY; CERAMIC CAPACITORS; DIELECTRIC WAVEGUIDES; MAGNETIC FIELDS; NUCLEAR MAGNETIC RESONANCE; PERMITTIVITY; RADIOFREQUENCY SPECTROSCOPY; SIGNAL TO NOISE RATIO; SIMULATORS;

DIELECTRIC MATERIALS;

ALCOHOL DERIVATIVE;

ALGORITHM; ARTICLE; CHEMISTRY; ELECTROMAGNETIC FIELD; EQUIPMENT DESIGN; INSTRUMENTATION; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; STATISTICAL MODEL;

ALCOHOLS; ALGORITHMS; ELECTROMAGNETIC FIELDS; EQUIPMENT DESIGN; MAGNETIC RESONANCE SPECTROSCOPY; MODELS, STATISTICAL;

EID: 68049087644     PISSN: 10907807     EISSN: 10960856     Source Type: Journal    
DOI: 10.1016/j.jmr.2009.06.001     Document Type: Article

References (12)

1. Hoult D.I., and Richards R.E. The signal-to-noise ratio of the nuclear magnetic resonance experiment. J. Magn. Reson. 24 (1976) 71
2. Hoult D.I., and Lauterbur P.C. The sensitivity of the zeugmatographic experiment involving human samples. J. Magn. Reson. 34 (1979) 425
3. Hoult D.I., Bhakar B., and Signal N.M.R. Reception: virtual photons and coherent spontaneous emission. Concepts Magn. Res. 9 (1998) 277-297
4. Foo T.K.F., Hayes C.E., and Kang Y.W. An analytical model for the design of RF resonators for MR body imaging. Magn. Reson. Med. 21 (1991) 165-177
5. 2 dielectric filled toroidal radio frequency cavity resonator for high-field NMR. NMR Biomed. 14 (2001) 184-191
6. W. Renz, High-frequency system for nuclear spin tomography with shield for delimitation of an electric field. US Patent 5410251, 1995.
7. Yang Q.X., Smith M.B., Liu H., Zhang X., Wang J., Ugurbil K., and Chen W. Manipulation of signal intensity distribution with dielectric loading at 7.0 T. Proc. Int. Soc. Mag. Reson. Med. 9 (2001) 1096
8. Sreenivas M., Lowry M., Tan C., Pickles M.D., Gibbs P., and Turnbull L.W. A simple solution for reducing the dielectric artifact in clinical MR imaging at 3 T. Proc. Int. Soc. Mag. Reson. Med. 11 (2005) 2754
9. 2O as RF coils for high-field MR imaging and spectroscopy. J. Magn. Res. Ser. B 110 (1996) 117-123
10. L.A. Crum, K.W. Zilm, Resonator designs for decreasing sample heating in solid state NMR experiments, in: Proceedings of the Experimental Nuclear Magnetic Resonance Conference on 48th ENC, 2007.
11. de Swiet T.M. Optimal electric fields for different sample shapes in high resolution NMR spectroscopy. J. Magn. Res. 174 (2005) 331-334
12. Jin J. Electromagnetic Analysis and Design in Magnetic Resonance Imaging (1999), CRC Press Series in Biomedical Engineering, Boca Raton, FL