Abstract #1746

Feasibility test of magnetron surface coil for preclinical MRI at 11.7 T

Sergio E Solis-Najera¹, Fabian Vazquez¹, Rodrigo Martin¹, Oscar Marrufo², and Alfredo Odon Rodriguez³

¹Department of Physics, Faculty of Sciences, UNAM, Mexico City, Mexico, ²Department of Neuroimage, INNN MVS, Mexico City, Mexico, ³Electrical Engineering Department, UAM Iztapalapa, Mexico City, Mexico

A magnetron surface coil was developed for rodent MRI at 11.7 T. The prototype performance was Q_l6.5=Q_u, and, the noise figure was 1.6. Phantom images were acquired with the magnetron coil to prove its feasibility. A circular coil was also used to acquire phantom images for comparison purposes. A SNR roll-off comparison was computed and showed an improvement of the magnetron coil over the circular one. Image SNR values were also calculated showing a 28.14% improvement of our coil over the circular coil. These results demonstrate the versatility and feasibility of the magnetron design to be used at UHF MRI.

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