Heterodyne laser vibrometry

Krzysztof M. Abramski; P. R. Kaczmarek; T. J. Rogowski; Arkadiusz J. Antonczak

doi:10.1117/12.386715

22 May 2000 Heterodyne laser vibrometry

Krzysztof M. Abramski, P. R. Kaczmarek, T. J. Rogowski, Arkadiusz J. Antonczak

Author Affiliations +

Proceedings Volume 4072, Fourth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications; (2000) https://doi.org/10.1117/12.386715
Event: 4th International Conference on Vibration Measurement by Laser Techniques, 2000, Ancona, Italy

Abstract

The paper describes investigations of vibrations by the laser interferometry where both beams are offset in frequency. This method is called the laser heterodyne vibrometry. The main aim of this investigation was heterodyne detection of a weak laser light scattered from a vibrating object. As a standard surface we used a piece of white zero sheet connected to the vibrating object.

Citation Download Citation

Krzysztof M. Abramski, P. R. Kaczmarek, T. J. Rogowski, and Arkadiusz J. Antonczak "Heterodyne laser vibrometry", Proc. SPIE 4072, Fourth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, (22 May 2000); https://doi.org/10.1117/12.386715

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