THz-waves channeling in a monolithic saddle-coil for Dynamic Nuclear Polarization enhanced NMR

A Macor; E de Rijk; G Annino; S Alberti; J-Ph Ansermet

doi:10.1016/j.jmr.2011.08.022

THz-waves channeling in a monolithic saddle-coil for Dynamic Nuclear Polarization enhanced NMR

J Magn Reson. 2011 Oct;212(2):440-9. doi: 10.1016/j.jmr.2011.08.022. Epub 2011 Aug 24.

Authors

A Macor¹, E de Rijk, G Annino, S Alberti, J-Ph Ansermet

Affiliation

¹ Institut de Physique de la Matire Condense, Ecole Polytechnique Fédérale de Lausanne, Station 3, CH-1015 Lausanne, Switzerland. alessandro.macor@epfl.ch

PMID: 21903436
DOI: 10.1016/j.jmr.2011.08.022

Abstract

A 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.

Publication types

Research Support, Non-U.S. Gov't

MeSH terms

Algorithms
Computer Simulation
Electromagnetic Fields
Electrons
Magnetic Resonance Spectroscopy / instrumentation*
Magnetic Resonance Spectroscopy / methods
Models, Statistical
Radio Waves