Noise figure limits for circular loop MR coils

Magnetic Resonance in Medicine

Volumn 61, Issue 5, 2009, Pages 1201-1209

  Kumar, Ananda ^a,b   Edelstein, William A ^a   Bottomley, Paul A ^a,b,c  

^a JOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE   (United States)

^b Johns Hopkins University   (United States)

^c JOHNS HOPKINS UNIVERSITY   (United States)

Author keywords

Loop coils; MR surface coils; Noise figure; Phased arrays; SNR

Indexed keywords

ANTENNA PHASED ARRAYS; EDDY CURRENTS; NOISE FIGURE; WIRE;

CONVENTIONAL SYSTEMS; ELECTROMAGNETIC ANALYSIS; LOOP COILS; NOISE CONTRIBUTIONS; NOISE FIGURE LIMITS; PHASED-ARRAY DETECTORS; SPATIAL RESOLUTION; SURFACE COILS;

SIGNAL TO NOISE RATIO;

ANALYTIC METHOD; ARTICLE; CALCULATION; CIRCULAR LOOP MAGNETIC RESONANCE COIL; COIL NOISE FIGURE; DEVICE; ELECTROMAGNETIC FIELD; EQUIPMENT DESIGN; MATHEMATICAL ANALYSIS; MEASUREMENT; NUCLEAR MAGNETIC RESONANCE; PARAMETER; QUANTITATIVE ANALYSIS; SIGNAL NOISE RATIO;

EID: 66149138882     PISSN: 07403194     EISSN: 15222594     Source Type: Journal    
DOI: 10.1002/mrm.21948     Document Type: Article

References (22)

1. Roemer PB, Edelstein WA, Hayes CE, Souza SP, Mueller OM. The NMR phased array. Magn Reson Med 1990;16:192-225.
2. Pruessmann KP, Weiger M, Scheidegger MB, Boesiger P. SENSE: sensitivity encoding for fast MRI. Magn Reson Med 1999;42:952-962. (Pubitemid 29521486)
3. Sodickson DK, Manning WJ. Simultaneous acquisition of spatial harmonics (SMASH): fast imaging with radiofrequency coil arrays. Magn Reson Med 1997;38:591-603. (Pubitemid 27419224)
4. Wiggins GC, Triantafyllou C, Potthast A, Reykowski A, Nittka M, Wald LL. 32-channel 3 Tesla receive-only phased-array head coil with soccer- ball element geometry. Magn Reson Med 2006;56:216-223.
5. Setsompop K, Wald LL, Alagappan V, Gagoski B, Hebrank F, Fontius U, Schmitt F, Adalsteinsson E. Parallel RF transmission with eight channels at 3 Tesla. Magn Reson Med 2006;56:1163-1171.
6. Edelstein WA. Radiofrequency systems and coils for MRI and MRS. In: Grant D, Harris R, editors. Encyclopedia of nuclear magnetic resonance, Vol.6. New York: Wiley; 1996. p 3950-3955.
7. Edelstein WA, Foster TH, Schenck JF. The relative sensitivity of surface coils to deep lying tissues. In: Proceedings of the 4th Annual Meeting, Society of Magnetic Resonance, London, UK, 1985. p 964, 965.
8. Roemer P, Edelstein WA. Ultimate sensitivity limits of surface coils. In: Proceedings of the SMRM 6th Annual Meeting, New York, NY, USA, 1987. p 410.
9. Chen CN, Hoult DI. Biomedical magnetic resonance technology. Bristol: Adam Hilger; 1989. p 160-161, 143 p.
10. Edelstein WA, Glover GH, Hardy CJ, Redington RW. The intrinsic signal-to-noise ratio in NMR imaging. Magn Reson Med 1986;3:604-618. (Pubitemid 17171956)
11. Ocali O, Atalar E. Ultimate intrinsic signal-to-noise ratio in MRI. Magn Reson Med 1998;39:462-473. (Pubitemid 28128390)
12. Edelstein WA. Principles and modeling of radiofrequency coil signal detection and image production. In: Proceedings of the Weekend Educational Program on RF Systems Engineering, 14th Annual Meeting of ISMRM, Seattle, WA, USA, 2006.
13. Grover FW. Inductance calculations. Mineola, NY: Dover Publications, Inc.; 1973.
14. Kumar A, Bottomley PA. Optimizing the intrinsic signal-to-noise ratio of MRI strip detectors. Magn Reson Med 2006;56:157-166.
15. Kumar A, Bottomley PA. Optimized quadrature surface coil designs. MAGMA 2008;21:41-52.
16. Hoult DI, Lauterbur PC. Sensitivity of the zeugmatographic experiment involving human samples. J Magn Reson 1979;34:425-433.
17. Wiggins GC, Alagappan V, Potthast A, Schmitt M, Wiggins CJ, Fischer H, Jahns K, Benner T, Polimeni J, Wald LL. Design optimization and SNR performance of 3T 96-channel phased array head coils. In: Proceedings of the 15th Annual Meeting of ISMRM, Berlin, Germany, 2007 (Abstract 243).
18. Mueller OM; General Electric, assignee. Unconditionally stable ultra low noise RF preamplifier. US patent 4835485; 1989.
19. Zhu YD, Hardy CJ, Sodickson DK, Giaquinto RO, Dumoulin CL, Kenwood G, Niendorf T, Lejay H, McKenzie CA, Ohliger MA, Rofsky NM. Highly parallel volumetric imaging with a 32-element RF coil array. Magn Reson Med 2004;52:869-877. (Pubitemid 39314990)
20. Black R, Early T, Roemer PB, Mueller OM, Mogro-Campero A, Turner L, Johnson G. A high-temperature superconducting receiver for nuclear magnetic resonance microscopy. Science 1993;259:793-795. (Pubitemid 23982436)
21. Boskamp EB, Lindsay SA, Lorbiecki JE. On the coil noise contribution to SNR versus coil diameter, temperature, frequency and load distance. In: Proceedings of the 13th Annual Meeting of ISMRM, Miami Beach, FL, USA, 2005 (Abstract 916).
22. Darrasse L, Ginefri J-C. Perspectives with cryogenic RF probes in biomedical MRI. Biochemie 2003;85:915-937. (Pubitemid 37498174)