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中国物理学会期刊

压电体的远程探测

CSTR: 32037.14.aps.46.400

REMOTE MEASUREMENT OF PIEZOEFFECT

CSTR: 32037.14.aps.46.400
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  • 提出用核四极共振谱仪对材料的压电效应进行远程的无线测量新方法,研究了石英晶体的共振谱线强度随激发脉冲功率、激发脉冲宽度以及激发频率偏置等参数的变化情况.实验结果显示,用该方法能够在时间为秒的尺度内在几十厘米的范围内方便地检测到压电共振信号,为压电材料更广泛的研究与应用提供了可能

     

    A new method,which involves measurement of the piezoelectricity by nuclear quadrupole resonance spectrometer,is proposed.The spectral intensity of a quartz crystal versus the strength of the excitation pulse,the pulse width and the resonance offset is studied in detail.The experimental results demonstrate that the piezoelectric resonance signal originating from samples located tens of centimeter away from the probe may be detected in a time scale of seconds.This technique provides potential for more extensive investigation and application of the piezoelectric materials.

     

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