PROJECT TITLE :
Experimental measurement of the frequency shifts of degenerate thickness-shear modes in a rotated Y-cut quartz resonator subject to diametrical forces
We tend to report the first experimental measurement of the stress-induced frequency shifts of degenerate thicknessshear modes in an exceedingly rotated Y-cut quartz resonator. Two distinct however nominally degenerate modes shifted toward higher frequencies at totally different rates and merged into a single mode as diametrical forces were applied gradually. The single mode split into the 2 distinctive modes progressively because the diametrical forces were released. The experimental results are in glorious agreement with previous theoretical results and might offer an insight into mode-coupling phenomena as a doable explanation for frequency jumps in quartz resonators.
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