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Proceedings Paper

Linear resonant approach to scanning
Author(s): Charles L. Confer; Gordon J. Burrer
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Paper Abstract

Linear high-speed opto-mechanical scanning at TV and sub-fractional TV line rates is commonly achieved today with multi-faceted rotating polygons. An alternate near-linear scanning means is now available: a linear resonant scanner. The linear resonant scanner is a dual mode torsionally resonant system designed to simultaneously resonate at a fundamental and a third harmonic of the fundamental. An electronic circuit with a precision position sensor is used to control the scan amplitude and phase lock the two natural resonant frequencies. Design criteria and performance parameters are discussed for a 2 kHz linear resonant scanner with a 0.5 radian near linear scan angle, 88% bidirectional scan efficiency, and 18 mm pupil.

Paper Details

Date Published: 1 February 1991
PDF: 8 pages
Proc. SPIE 1454, Beam Deflection and Scanning Technologies, (1 February 1991); doi: 10.1117/12.28032
Show Author Affiliations
Charles L. Confer, Thermetrix, Inc. (United States)
Gordon J. Burrer, Thermetrix, Inc. (United States)

Published in SPIE Proceedings Vol. 1454:
Beam Deflection and Scanning Technologies
Leo Beiser; Gerald F. Marshall, Editor(s)

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