An experimental study of the properties of one form of the three-state reflection-symmetry cycle is presented. The cycle and its compensated form are used to measure the chemical shielding tensor of ¹⁹F in polytetrafluoroethylene [(C₂F₄)ₙ] and ³¹P in powdered zinc phosphide (Zn₃{P}₂$). The effect of phase errors is discussed and the principle of phase compensation is demonstrated in a phase-alternated sequence. Amplitude-modulation effects of phase errors are also discussed.
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Mansfield et al. (1973) studied this question.
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