FIG. 1.
Coil and sample geometry. Left: sample (gray) was placed at the center of a quadrature 12-element birdcage coil. Length of shield, coil, and sample is 33 cm, 29 cm, and 15 cm, respectively. Right: For preliminary experiments, thermo-optic probes were placed near the surface and at the center of the phantom on the central axial plane.
