Optical Interference for Deformation Measurements--Classical, Holographic and Moiré Interferometry

  • Daniel Post

Abstract

Interferometry is a powerful tool. It enables measurements of surface topography, dimensional changes and deformations of solid bodies, all in the sub-wavelength sensitivity range. This article is a tutorial treatment of the subject. Its purpose is to introduce modern interferometric techniques of engineering measurements; and to explain them in sufficient detail to generate a comfortable association with the subject. Ultimately, the mission is to foster understanding and appreciation in order to inspire increased utilization and further development.

Keywords

Furnace Graphite Mercury Recombination Mold 

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References

  1. 1.
    J. Guild, The Interference System of Crossed Diffraction Gratings, Clarendon Press, Oxford, 1956.Google Scholar
  2. 2.
    D. Post, “Moiré Fringe Multiplication with a Nonsymmetrical Doubly Blazed Reference Grating,” Applied Optics, Vol. 10, pp. 901–7 (1971).CrossRefGoogle Scholar
  3. 3.
    C. A. Walker and J. McKelvie, “A Pratical Multiplied-Moiré System,” Experimental Mechanics, Vol. 35, pp. 316–320 (August 1978).CrossRefGoogle Scholar

Copyright information

© Plenum Press, New York 1980

Authors and Affiliations

  • Daniel Post
    • 1
  1. 1.Virginia Polytechnic Institute and State UniversityBlacksburgUSA

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