Abstract

High-resolution nuclear magnetic resonance (NMR) spectroscopy with information on chemical shifts and <i>J</i>-coupling constants is a sensitive tool for studying physical, chemical, and biological properties of materials at the molecular level. In this paper, a pulse sequence is developed for acquiring high-resolution NMR spectra of liquid samples with <i>J</i>-scaling in inhomogeneous fields via two-dimensional intermolecular multiple-quantum coherence acquisitions. In the resulting one-dimensional projection spectra, apparent <i>J</i>-coupling constants were obtained with a scaling factor theoretically varying from zero (completely decoupled) to infinity relative to the original <i>J</i>-coupling constants while retaining information on chemical shifts, relative peak areas, and multiplet patterns. This allows either an accurate measurement of small <i>J</i>-coupling constants of weakly coupled spin systems or less crowded spectra for spin systems with <i>J</i>-splitting. Experimental observations and simulation results agree with theoretical analysis.

Nuclear magnetic resonance imaging

William P. Rothwell
Appl. Opt. 24(23) 3958-3968 (1985)

Electro-mechano-optical detection of nuclear magnetic resonance

Kazuyuki Takeda, Kentaro Nagasaka, Atsushi Noguchi, Rekishu Yamazaki, Yasunobu Nakamura, Eiji Iwase, Jacob M. Taylor, and Koji Usami
Optica 5(2) 152-158 (2018)

Optical nuclear magnetic resonance: theory, simulation, and animation

Myron W. Evans and Chris R. Pelkie
J. Opt. Soc. Am. B 9(7) 1020-1029 (1992)

Methods and algorithms for Fourier-transform nuclear magnetic resonance tomography

Z. H. Cho, O. Nalcioglu, and H. W. Park
J. Opt. Soc. Am. A 4(5) 923-932 (1987)

Variation of the Pr³⁺ nuclear quadrupole resonance spectrum across the inhomogeneous optical line in Pr³⁺:LaF₃

L. L. Wald, E. L. Hahn, and Matjaz Lukac
J. Opt. Soc. Am. B 9(5) 784-788 (1992)