International Federation for Medical & Biological Engineering
Abstract
The main goal of this research was to demonstrate the utility of using a transmitter-receiver birdcage coil for magnetic resonance imaging at very low static field (0.18 T). As well known, the SNR decreases with frequency, thus reducing the image quality at very low field. Moreover, we would expect that the birdcage coil Q factor reduces with fre-quency. But, from experimental evidence, we proved that at low frequency (7.66 MHz), the Q factor for a well-designed birdcage coil reverses the trend, reach-ing unexpected high values. It is a prerequisite to use low static magnetic field in microimaging applica-tions for small animals experiments
