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Electrostatic and mechanical characterization of 3-D micro-wineglass resonators


In this paper, we present methods for characterization of 3-D micro-wineglass resonators. Two interchangeable modes of excitation are demonstrated: (1) Mechanical pinging using a piezo actuated probe assembly and (2) electrostatic excitation using assembled electrode structures. Two interchangeable modes of detection are also presented: optical pick-up using laser Doppler vibrometry and capacitive detection. 3-D micro-glassblown wineglass resonators were used to demonstrate the characterization methods in this paper. Electrostatic excitation was used to obtain the frequency response of micro-glassblown resonators showing a Q-factor of 40.000 at 14.8 kHz, whereas piezo-pinging was used to obtain the time domain response of the resonators. © 2014 Elsevier B.V.

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