Transition-Selective Pulses in Zero-Field Nuclear Magnetic Resonance

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• 作者：Tobias F. Sjolander ; Michael C. D. Tayler ; Jonathan P. King ; Dmitry Budker ; Alexander Pines
• 刊名：Journal of Physical Chemistry A
• 出版年：2016
• 出版时间：June 30, 2016
• 年：2016
• 卷：120
• 期：25
• 页码：4343-4348
• 全文大小：364K
• 年卷期：0
• ISSN：1520-5215

文摘

We use low-amplitude, ultralow frequency pulses to drive nuclear spin transitions in zero and ultralow magnetic fields. In analogy to high-field NMR, a range of sophisticated experiments becomes available as these allow narrow-band excitation. As a first demonstration, pulses with excitation bandwidths 0.5–5 Hz are used for population redistribution, selective excitation, and coherence filtration. These methods are helpful when interpreting zero- and ultralow-field NMR spectra that contain a large number of transitions.