Nuclear magnetic resonance pulse sequence that refocuses spin vectors that have fanned out due to field inhomogeneity or chemical shift differences.
Note:
J-MOD is typically denoted as \(\pu{90\!^{\circ}} - \uptau - \pu{180\!^{\circ}} - \uptau(\rm{echo})\).
See also: spin echo
Source:
PAC, 2021, 93, 647. 'Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)' on page 694 (https://doi.org/10.1515/pac-2019-0203)