Vibration measurement by a laser Doppler displacement meter

Gianmarco Liotto; Charles P. Wang

doi:10.1117/12.248656

23 August 1996 Vibration measurement by a laser Doppler displacement meter

Gianmarco Liotto, Charles P. Wang

Proceedings Volume 2868, Second International Conference on Vibration Measurements by Laser Techniques: Advances and Applications; (1996) https://doi.org/10.1117/12.248656
Event: Second International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, 1996, Ancona, Italy

Abstract

The Laser Doppler Displacement Meter (LDDM), has been applied for the measurement of structure dynamics, such as resonance frequency, Bode plot, settling time, etc. in machine tools, rotary machinery, XY-stages, and servo controls. Other applications are in micromachining and in hard disk drive, such as flight height, head gimbal resonance, runout, etc. The basic principle of the LDDM, its comparison to laser interferometer and also vibrometer, major features and application are described.

Citation Download Citation

Gianmarco Liotto and Charles P. Wang "Vibration measurement by a laser Doppler displacement meter", Proc. SPIE 2868, Second International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, (23 August 1996); https://doi.org/10.1117/12.248656

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