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Abstract #1839

Design of Sample-Immersed Microcoil (SIM) Probes and their Magnetic Field Monitoring Capabilities

Eric Michel 1 , Daniel Hernandez 1 , Min Hyoung Cho 1 , and Soo Yeol Lee 1

1 Kyung Hee University, Suwon, Gyeonggi-Do, Korea

Miniaturization of H 1 NMR probes is need it for high resolution Magnetic Field Monitoring (MFM) but it compromises the SNR and the manufacturing process becomes more challenging. We introduce a new design of field monitoring probes consisting in a solenoid placed directly into the sample material, here called, sample-immersed microcoil (SIM) probes having a high-impedance RF shield to avoid eddy currents. We validate this design experimentally in terms of sensitivity, SNR, internal homogeneity and RF shielding efficiency. We observed that this design give us long duration signals without significant SNR losses that could allow us to monitor imaging sequences having resolutions below 200 lower case Greek mu m.

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