Design and experimental investigations of a two-dimensional laser scanner based on piezoelectric actuators

Wei Chen; Sihai Chen; Dong Luo

doi:10.1117/1.OE.54.2.025110

13 February 2015 Design and experimental investigations of a two-dimensional laser scanner based on piezoelectric actuators

Wei Chen, Sihai Chen, Dong Luo

Author Affiliations +

Optical Engineering, Vol. 54, Issue 2, 025110 (February 2015). https://doi.org/10.1117/1.OE.54.2.025110

Abstract

A compact two-dimensional laser scanner based on piezoelectric actuators is presented. The scanner consists of two single-axis laser scanners placed perpendicular to each other, which exhibit the advantages of small size, large angle, high scanning speed, and high linearity. The mechanical structure and principle of the scanner are introduced and the performance of the scanner is experimentally investigated. The result shows that the maximum angle of the scanner is approximately 9.315 deg with a main resonant frequency of 1242 Hz. An open-loop controller based on a hysteresis compensation algorithm and analog notch filter is proposed. Its nonlinearity is reduced to ±0.5% after compensation. High frequency scanning and the step response of the scanner are also studied to demonstrate the performance and effectiveness of the scanner.

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Wei Chen, Sihai Chen, and Dong Luo "Design and experimental investigations of a two-dimensional laser scanner based on piezoelectric actuators," Optical Engineering 54(2), 025110 (13 February 2015). https://doi.org/10.1117/1.OE.54.2.025110

Published: 13 February 2015

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