Comparing Saddle, Slotted-tube and Parallel-plate Coils for Magnetic Resonance Imaging
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Date
2014-12-01
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Mark
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De Gruyter Open
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Abstract
The paper is concerned with a comparison of the properties of RF coils of three configurations for MRI measurements on small animals. In comparison with the classical saddle coil the proposed modification of slotted-tube coil exhibits identical homogeneity of B1 field in a larger space. The parallel-plate coil has a satisfactory homogeneity of B1 field over the whole internal space. The signal-to-noise ratio measured for all three coils is roughly the same and is given by the magnitude of RF pre-amplifier noise. As the slotted-tube and parallel-plate coils have a lower inductance compared with the saddle coil, they can be tuned to resonance on the 200 MHz frequency even at larger dimensions. The results show that the parallel-plate coil has very good properties for the measurement of small animals.
Článe se zabývá porovnáním vlastností radiofrekvenčních cívek tří typů pro tomografické zobrazování malých zvířat magnetickou rezonancí.
Článe se zabývá porovnáním vlastností radiofrekvenčních cívek tří typů pro tomografické zobrazování malých zvířat magnetickou rezonancí.
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Citation
Measurement Science Review. 2014, vol. 14, issue 3, p. 171-176.
https://www.sciendo.com/article/10.2478/msr-2014-0023
https://www.sciendo.com/article/10.2478/msr-2014-0023
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Peer-reviewed
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en
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
http://creativecommons.org/licenses/by-nc-nd/4.0/
http://creativecommons.org/licenses/by-nc-nd/4.0/