Analysis of the piezoelectric resonance signal detected through the inductive pulse method of piezoelectric resonance

The piezoelectric resonance signal of an AT-cut quartz crystal detected through the inductive pulse method was analyzed. Although the detection mechanism of the inductive method has been determined, its basic characteristics have not been fully ascertained. The detected signal strengths were linearly proportional to the pulse height, the sine function of the pulse width, and the absolute value of the sine function of the frequency of the rf pulse. All the experimental results could be fully understood with the use of the Fourier transform of the rf pulse, which assured that the piezoelectric signal of the inductive pulse method was an effect of the interference between the input rf pulse and the induced electric polarization of the piezoelectric materials.