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Proceedings Paper

Laser-doppler sensor system for speed and length measurements at moving surfaces
Author(s): Wilhelm Stork; Armin Wagner; Carsten Kunze
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Paper Abstract

Laser-Doppler Velocimetry is a contact less method for measuring the speed and the path length of moving solid- state surfaces or of fluid streams. In the past the main application of this method was fluid mechanics. No other method was as suitable as Laser-Doppler Anemometry to measure the speed the streams at arbitrary positions. Therefore the market accepted the very high price of these systems. In the past for the measurement of solid-state surfaces mostly other methods with a more reasonable price were used. However from a pure technical point of view a contact less and precise method as Laser-Doppler Velocimetry is also very attractive for the measurement of solid-state surfaces. The method is suitable for nearly any type of technical surface. The measurement procedure does not damage the surfaces and no slippage occurs. These advantages will be become important also for standard applications, if the price of the LDV systems can compete with the price of other methods.

Paper Details

Date Published: 23 October 2001
PDF: 10 pages
Proc. SPIE 4398, Optical Measurement Systems for Industrial Inspection II: Application in Industrial Design, (23 October 2001); doi: 10.1117/12.445540
Show Author Affiliations
Wilhelm Stork, Univ. Karlsruhe (Germany)
Armin Wagner, Visionet GmbH (Germany)
Carsten Kunze, Univ. Karlsruhe (Germany)

Published in SPIE Proceedings Vol. 4398:
Optical Measurement Systems for Industrial Inspection II: Application in Industrial Design

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