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. Author manuscript; available in PMC: 2014 Jan 1.
Published in final edited form as: Prog Nucl Magn Reson Spectrosc. 2012 Jun 15;68:41–57. doi: 10.1016/j.pnmrs.2012.06.001

Fig. 11.

Fig. 11

Demonstration of the effect of feed-back loop to control radiation damping effects. Panels (a) and (c) show the free induction decay (FID) after a 22° and 180° pulse to spins in thermal equilibrium using standard NMR probe configuration. Panels (b) and (d) show same experiments using the active electronic feedback modification of the probe. Vertical scale is all the panels. All the experiments were performed in a 300 MHz ((1H) solid-state spectrometer. Reproduced after permission from [124].