Article Dans Une Revue Electronics Année : 2025

Scaling Nuclear Magnetic Resonance with Integrated Planar Coil and Transceiver Front-End: Co-Design Considerations

Natachai Terawatsakul
Alireza Saberkari
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Yuttapoom Puttisong

Résumé

A comprehensive framework for designing a micro-nuclear magnetic resonance (NMR) front-end is presented. Key radio frequency (RF) engineering principles are established to enable efficient excitation and detection of NMR signals. This foundation aims to guide the optimal design of novel handheld NMR devices operating with magnetic fields (B 0 ) below 0.5 Tesla and RF frequencies under 30 MHz. To address the complexities of signal-to-noise ratio optimization in this regime, a specialized metric called the coil performance factor (CPF) is introduced, emphasizing the role of coil design. Through systematic optimization under realistic constraints, an optimal coil configuration maximizing the CPF is identified. This design, with three turns, a coil width of 0.22 mm, and a coil spacing of 0.15 mm, achieves an optimal balance between magnetic field strength, homogeneity, and noise. This work serves as a valuable resource for engineers developing optimized coil designs and RF solutions for handheld NMR devices, providing clear explanations of essential concepts and a practical design methodology.
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hal-04905132 , version 1 (22-01-2025)

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Natachai Terawatsakul, Alireza Saberkari, Yuttapoom Puttisong, Morgan Madec. Scaling Nuclear Magnetic Resonance with Integrated Planar Coil and Transceiver Front-End: Co-Design Considerations. Electronics, 2025, 14 (2), pp.398. ⟨10.3390/electronics14020398⟩. ⟨hal-04905132⟩
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