2016_Imaging for Physicists

RF Coils: Signal Characteristics

0 

2 a x a I 

2



 2 2 4 2/3



B



Theoretical cylinder coils



SNR

a

Body Coil: Poor SNR

Surface Coil: Excellent SNR close to coil

Excellent uniformity

surface coils Poor uniformity

Distance

Finite Element Modelling used for complicated designs