Macor, A.de Rijk, E.Annino, G.Alberti, S.Ansermet, J.-Ph2012-03-092012-03-092012-03-09201110.1016/j.jmr.2011.08.022https://infoscience.epfl.ch/handle/20.500.14299/78561WOS:000296077800024A saddle coil manufactured by electric discharge machining (EDM) from a solid piece of copper has recently been realized at EPFL for Dynamic Nuclear Polarization enhanced Nuclear Magnetic Resonance experiments (DNP-NMR) at 9.4 T. The corresponding electromagnetic behavior of radio-frequency (400 MHz) and THz (263 GHz) waves were studied by numerical simulation in various measurement configurations. Moreover, we present an experimental method by which the results of the THz-wave numerical modeling are validated. On the basis of the good agreement between numerical and experimental results, we conducted by numerical simulation a systematic analysis on the influence of the coil geometry and of the sample properties on the THz-wave field, which is crucial in view of the optimization of DNP-NMR in solids. (C) 2011 Elsevier Inc. All rights reserved.Nuclear Magnetic Resonance (NMR)Dynamic Nuclear Polarization (DNP)THz wavesRadio-frequenciesMillimeter wavesNon-resonant cavitiesProbe-headHigh-Resolution NmrState NmrC-13 NmrSpectrometerResonanceDnptext::journal::journal article::research article