Design and experiment on a multi-functioned and programmable piezoelectric ceramic power supply with high precision for speckle interferometry

Biao Wang; Yan Ye; Yong-hong Wang; En-zhen Yang

doi:10.1117/12.2218423

26 January 2016 Design and experiment on a multi-functioned and programmable piezoelectric ceramic power supply with high precision for speckle interferometry

Biao Wang, Yan Ye, Yong-hong Wang, En-zhen Yang

Author Affiliations +

Proceedings Volume 9903, Seventh International Symposium on Precision Mechanical Measurements; 99032Z (2016) https://doi.org/10.1117/12.2218423
Event: Seventh International Symposium on Precision Mechanical Measurements, 2015, Xia'men, China

Abstract

Speckle interferometry is a method of measuring structure’s tiny deformations which requires accurate phase information of interference fringes. The phase information is acquired by micro-displacement produced by piezoelectric ceramic (PZT). In order to drive the PZT micro-displacement actuator, a multi-functioned and programmable PZT power supply with high precision is designed. Calibration experiment has been done to the PZT micro-actuator in speckle interferometry. Some experiments were also done to test its relevant characteristics. The experiment results show that it has high linearity, repeatability, stability, low ripple and can meet the requirement of the reliability and displacement accuracy in speckle interferometry.

Citation Download Citation

Biao Wang, Yan Ye, Yong-hong Wang, and En-zhen Yang "Design and experiment on a multi-functioned and programmable piezoelectric ceramic power supply with high precision for speckle interferometry", Proc. SPIE 9903, Seventh International Symposium on Precision Mechanical Measurements, 99032Z (26 January 2016); https://doi.org/10.1117/12.2218423

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