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Proceedings Paper

Phase calibration of laboratory standard accelerometers using laser interferometry
Author(s): Christiaan S. Veldman; Hans-Juergen von Martens
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Paper Abstract

Accurate phase response information for vibration measurements is becoming more important for a vast range of applications. The use of laser interferometry to perform phase calibration of accelerometers is examined, specifically through the implementation of the sine-approximation method as described in ISO 16063-11. Phase calibration of the components of a measurement setup is discussed, considering the effects and influence that each component has on the phase calibration of accelerometers. The accuracy obtainable for phase calibration of accelerometers is evaluated by means of comparison measurements between two National Metrology Institutes. In conclusion, the uncertainty contributors as presented inthe ISO 16063-11 with respect to phase calibration are reported on.

Paper Details

Date Published: 22 June 2004
PDF: 14 pages
Proc. SPIE 5503, Sixth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, (22 June 2004); doi: 10.1117/12.579599
Show Author Affiliations
Christiaan S. Veldman, CSIR-National Metrology Lab. (South Africa)
Hans-Juergen von Martens, Physikalisch-Technische Bundesanstalt (Germany)


Published in SPIE Proceedings Vol. 5503:
Sixth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications
Enrico Primo Tomasini, Editor(s)

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