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Proceedings Article

Synthetic wavelength interferometry for the extension of the dynamic range

[+] Author Affiliations
Ulf Skudayski, Werner P. O. Jueptner

BIAS (Germany)

Proc. SPIE 1508, Industrial Applications of Holographic and Speckle Measuring Techniques, 68 (October 1, 1991); doi:10.1117/12.47090
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From Conference Volume 1508

  • Industrial Applications of Holographic and Speckle Measuring Techniques
  • Werner P. O. Jueptner
  • The Hague, Netherlands | March 11, 1991

abstract

The relative fringe order in a holographic interference pattern can be measured with high accuracy by means of methods like heterodyning or phase shifting. The determination of the absolute fringe order from the interferogram has not been solved satisfactorily. In this study, the absolute fringe order is determined through the employment of several wavelengths. Two interferograms are recorded with different wavelengths of a dye-laser. The mathematical treatment and an experimental application are reported.

© (1991) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Ulf Skudayski and Werner P. O. Jueptner
"Synthetic wavelength interferometry for the extension of the dynamic range", Proc. SPIE 1508, Industrial Applications of Holographic and Speckle Measuring Techniques, 68 (October 1, 1991); doi:10.1117/12.47090; http://dx.doi.org/10.1117/12.47090


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