音叉式石英晶振谐振频率的非电学快速测量方法  

Resonance Frequency Determination of Quartz Tuning Fork Based on Rapid Non-Electronic Measurement Methods

作　　者：刘研研[1] 刘小利[1] 武红鹏[1] 董磊[1] 马维光[1] 张雷[1] 尹王保[1] 贾锁堂[1] 

机构地区：[1]山西大学激光光谱研究所量子光学与光量子器件国家重点实验室,山西太原030006

出　　处：《大气与环境光学学报》2015年第6期505-509,共5页Journal of Atmospheric and Environmental Optics

基　　金：国家青年基金(61108030);国家基金仪器专项(61127017);山西省环境项目(2011256);国家973计划项目(2012CB921600);国家自然科学基金重点项目(10934004);国家自然科学基金(61178009;60978018)资助

摘　　要：设计了声激励和光激励两种非电学快速测量音叉式石英晶振谐振频率的方法。不同于传统的电激励测量法,在外部激励源激发音叉振动同时,使用一束探测光把音叉振臂的振动信号转化成光强变化信号,从而避免了在测量中压电效应的使用。在声激励实验中,对比了不同的声波发生器和有无导声管的激励效果,优化了声波激发位置;在光激励实验中,研究优化了光束激发的位置。Two rapid non-electronic measurement methods （acoustic and optical excitations） for the determi- nation of quartz-tuning-fork （QTF） resonance frequency were developed. Unlike the traditional measurement, based on the electronic excitation, with the QTF vibration caused by an external excitation source, a detec- tion light beam is used to convert the vibration amplitude of the QTF into the variation of the detection light intensity to avoid the use of piezoelectric effect. In the acoustic excitation experiment, the performance of the different sound generators and sound guide tube was assessed. The excitation position of the sound wave was optimized. In the optical excitation experiment, the excitation position of the light beam was optimized as well

关 键 词：音叉式石英晶振 谐振频率 非电学测量 快速测量 

分 类 号：TN751.2[电子电信—电路与系统]