Laser-doppler sensor system for speed and length measurements at moving surfaces

Wilhelm Stork; Armin Wagner; Carsten Kunze

doi:10.1117/12.445540

23 October 2001 Laser-doppler sensor system for speed and length measurements at moving surfaces

Wilhelm Stork, Armin Wagner, Carsten Kunze

Proceedings Volume 4398, Optical Measurement Systems for Industrial Inspection II: Application in Industrial Design; (2001) https://doi.org/10.1117/12.445540
Event: Lasers in Metrology and Art Conservation, 2001, Munich, Germany

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.

Citation Download Citation

Wilhelm Stork, Armin Wagner, and Carsten Kunze "Laser-doppler sensor system for speed and length measurements at moving surfaces", Proc. SPIE 4398, Optical Measurement Systems for Industrial Inspection II: Application in Industrial Design, (23 October 2001); https://doi.org/10.1117/12.445540

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