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A single-crystal silicon-based micromirror with large scanning angle for biomedical applications

  • Huikai Xie
  • , Ankur Jain
  • , Tuqiang Xie
  • , Yingtian Pan
  • , Gary K. Fedder
  • University of Florida
  • Stony Brook University
  • Carnegie Mellon University

Research output: Contribution to journalConference articlepeer-review

5 Scopus citations

Abstract

This paper reports a single-crystalline silicon (SCS)-based micromirror with large scanning angle (up to 31°) which can be used for biomédical imaging. The micromirror is fabricated by using a deep reactive-ion-etch (DRIE) post-CMOS micromachining process. Thin bimorph actuation structures and movable bulk silicon structures are simultaneously achieved. The micromirror is 1 mm by 1 mm in size, coated with aluminum, and thermally actuated by an integrated polysilicon heater. The radius of curvature of the mirror surface is about 50 cm. The mirror rotates 31° at 9 mA. The resonant frequency of the device is 380 Hz.

Original languageEnglish
Pages (from-to)861-863
Number of pages3
JournalOSA Trends in Optics and Photonics Series
Volume88
StatePublished - 2003
EventConference on Lasers and Electro-Optics (CLEO); Postconference Digest - Baltimore, MD, United States
Duration: Jun 1 2003Jun 6 2003

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