Experimental research on vibration characteristics of four-segment scanning PZT tube using a laser vibrometer

Xiumei Liu; Jia Wang; Dacheng Li

doi:10.1117/12.307751

1 June 1998 Experimental research on vibration characteristics of four-segment scanning PZT tube using a laser vibrometer

Xiumei Liu, Jia Wang, Dacheng Li

Author Affiliations +

Proceedings Volume 3411, Third International Conference on Vibration Measurements by Laser Techniques: Advances and Applications; (1998) https://doi.org/10.1117/12.307751
Event: Third International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, 1998, Ancona, Italy

Abstract

A four-segment scanning PZT tube is characterized using a laser vibration measurement system. Several periods of quasi-decay mechanical oscillation are observed in the experiments when the scanning tube is driven by series of step signals. The oscillation frequency is much lower than the lowest resonant frequency calculated base on the reported formula. The mechanism of the oscillation is analyzed. The possible reasons include mechanical inertial or damping, driving power supply impedance properties and the base vibration are discussed. The low resonant frequency of the scanning tube may be the result of its own complicated boundary conditions based on the experimental result of amplitude and frequency properties although there is a considerable difference between theoretical and experimental results. Some possible approaches to reduce or eliminate oscillation are proposed.

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Xiumei Liu, Jia Wang, and Dacheng Li "Experimental research on vibration characteristics of four-segment scanning PZT tube using a laser vibrometer", Proc. SPIE 3411, Third International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, (1 June 1998); https://doi.org/10.1117/12.307751

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KEYWORDS

Ferroelectric materials

Near field scanning optical microscopy

Resistance

Optical amplifiers

Capacitance

Interferometers

Optical fibers

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