Evaluation of measurement characteristics of a laser Doppler vibrometer with fiber optic components

Giulio D'Emilia

doi:10.1117/12.185332

8 September 1994 Evaluation of measurement characteristics of a laser Doppler vibrometer with fiber optic components

Giulio D'Emilia

Proceedings Volume 2358, First International Conference on Vibration Measurements by Laser Techniques: Advances and Applications; (1994) https://doi.org/10.1117/12.185332
Event: Vibration Measurements by Laser Techniques: First International Conference, 1994, Ancona, Italy

Abstract

A laser Doppler vibrometer prototype has been designed in order to get a simple and relatively inexpensive architecture of both the optical part of the system and the signal analysis electronics. In order to improve its operating performances fiber optic components have also been used. The metrological characteristics (measuring range, accuracy, signal to noise ratio, resolution, etc.) of the vibrometer have been evaluated by means of experimental results, comparing them with high performance commercial vibrometers. Some guidelines to develop the system for field applications are also discussed.

Citation Download Citation

Giulio D'Emilia "Evaluation of measurement characteristics of a laser Doppler vibrometer with fiber optic components", Proc. SPIE 2358, First International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, (8 September 1994); https://doi.org/10.1117/12.185332

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