Skip to main content
. Author manuscript; available in PMC: 2014 Jan 1.
Published in final edited form as: Magn Reson Med. 2012 Apr 3;69(1):290–294. doi: 10.1002/mrm.24244

Table 1.

Percent of the input power radiated out of the problem region for the first group of calculations, where a surface coil, birdcage coil, and TEM coil are loaded with a sphere having properties similar to brain and surrounded by free space.

125 MHz 175 MHz 300 MHz 345 MHz 400 MHz 600 MHz
Surface coil 2.9 3.7 6.6 8.7 11 26
Birdcage coil 3.8 6.8 8.4
TEM 2.8 18 27