https://doi.org/10.1351/goldbook.08372
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