High frequency cavity resonator designs for NMR

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Abstract
The principles of resonator arrays are developed using a matrix approach to include dissipative or resistive effects. The theory is used to design a cavity resonator for NMR at 500 MHz. Experimental confirmation of the design is presented. It is shown that the effects of a simple capacitative cavity drive circuit arrangement are automatically incorporated into the theory. Suggestions are discussed for lower frequency resonant cavity designs with applications in whole body medical imaging. Novel split coil resonator designs are also introduced.

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