Simultaneous three-dimensional dynamic deformation measurements with pulsed digital holography.

@article{Schedin1999SimultaneousTD,
  title={Simultaneous three-dimensional dynamic deformation measurements with pulsed digital holography.},
  author={S Schedin and Giancarlo Pedrini and Hans J. Tiziani and Fernando Mendoza Santoyo},
  journal={Applied optics},
  year={1999},
  volume={38 34},
  pages={7056-62}
}
The three deformation components x, y, z of a vibrating object are measured simultaneously by use of digital holography with a double-pulse ruby laser source. The object is illuminated from three different directions, each optically path matched with three reference beams such that three independent digital holograms are formed and added incoherently in one single CCD image. The optical phase difference between the two recordings taken for each hologram is quantitatively evaluated by the… CONTINUE READING

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