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Proceedings Article

WDM optocommunication technology used for multipoint fibre vibrometry

[+] Author Affiliations
A. Waz, P. R. Kaczmarek, M. P. Nikodem, K. M. Abramski

Wroclaw Univ. of Technology (Poland)

Proc. SPIE 7098, Eighth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, 70980E (June 17, 2008); doi:10.1117/12.802981
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From Conference Volume 7098

  • Eighth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications
  • Ancona, Italy | June 18, 2008

abstract

The multichannel WDM (Wavelength Division Multiplexing) technique inspired the concept of vibration measurements for many points of a vibrating object. The N-independent WDM separated 15XX nm fibre coupled laser diodes (used for optical fibre telecommunication) form coherent system of sources for multipoint measurement of vibrations according to the rule one wavelength - one point. The scattered light from the object coupled into the fibre, filtered coherently, after special signal processing, allows analysing amplitudes and phases of many vibrating points in real time. Some experiments and results of such system will be demonstrated.

© (2008) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

A. Waz ; P. R. Kaczmarek ; M. P. Nikodem and K. M. Abramski
"WDM optocommunication technology used for multipoint fibre vibrometry", Proc. SPIE 7098, Eighth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, 70980E (June 17, 2008); doi:10.1117/12.802981; http://dx.doi.org/10.1117/12.802981


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