A Dual-Tuned Two-Element Array for 1 H/ 2 H Imaging at 1 Tesla

Imaging and spectroscopy of multiple nuclei with phased arrays has demonstrable utility in magnetic resonance. Our application involves imaging of deuterium and proton. Deuterium has been used for glucose monitoring, tracking bolus diffusion, and providing a signal lock. We have developed a dual-tuned, geometrically decoupled two-element receive array for sequential or interleaved imaging of proton ( ¹ H) and deuterium ( ² H) at 1T. Array elements are detuned passively during transmit with crossed diodes, while transmit elements are detuned during receive using PIN diodes. ¹ H and ² H Images of a deuterated water phantom taken at 1T are shown.

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