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Proceedings Paper

Microfabricated biaxial electrostatic torsional scanning mirror
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Paper Abstract

We describe the design, fabrication and characterization of a biaxial torsional scanning mirror for use in a microfabricated confocal optical microscope. The mirror, fabricated using wafer bonding and surface micromachining techniques, is a gimbal structure consisting of a silicon plate, measuring 500 micrometers X 500 micrometers X 25 micrometers , which is suspended in a silicon frame by silicon nitride hinges. It is actuated electrostatically, and is capable of raster scanning with a line scan frequency of 2.7 kHz and with a scan range of +/- 1.5 degree(s) about both orthogonal axes. Both resonant and non-resonant scanning are discussed. Sample images acquired with a frame rate of 10 Hz using a microfabricated microscope with the biaxial scanning mirror are presented.

Paper Details

Date Published: 15 April 1997
PDF: 10 pages
Proc. SPIE 3009, Micromachining and Imaging, (15 April 1997); doi: 10.1117/12.271223
Show Author Affiliations
David L. Dickensheets, Stanford Univ. (United States)
Gordon S. Kino, Stanford Univ. (United States)


Published in SPIE Proceedings Vol. 3009:
Micromachining and Imaging
Terry A. Michalske; Mark A. Wendman, Editor(s)

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