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Two-axis scanning micromirror based on a tilt-and-lateral shift-free piezoelectric actuator

  • Wenjing Liu*
  • , Yiping Zhu
  • , Jiping Li
  • , A. S. Virendrapal
  • , Yongming Tang
  • , Baoping Wang
  • , Huikai Xie
  • *Corresponding author for this work
  • University of Florida
  • Southeast University, Nanjing

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

This paper presents a 2-axis scanning piezoelectric micromirror with zero initial tilt and no lateral shift during scanning. The piezoelectric material is a sol-gel PZT with a Zr/Ti ratio of 53/47. The unimorph PZT actuation beams consist of Pt/Ti/PZT/Pt/Ti/SiO2 thin-film layers, which are released via undercutting the substrate silicon. Two-dimensional scans with a 4.8° scan range have been demonstrated at 2 V at 635 Hz (resonance).

Original languageEnglish
Title of host publicationIEEE Sensors 2010 Conference, SENSORS 2010
Pages2189-2192
Number of pages4
DOIs
Publication statusPublished - 2010
Externally publishedYes
Event9th IEEE Sensors Conference 2010, SENSORS 2010 - Waikoloa, HI, United States
Duration: 1 Nov 2010 → 4 Nov 2010

Publication series

NameProceedings of IEEE Sensors

Conference

Conference9th IEEE Sensors Conference 2010, SENSORS 2010
Country/TerritoryUnited States
CityWaikoloa, HI
Period1/11/10 → 4/11/10

Keywords

  • PZT
  • Piezoelectric actuator
  • Piston motion
  • Scanning micromirror
  • Two-axis
  • Zero initial tilt

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