Experimental Mechanics

, Volume 22, Issue 6, pp 202–209 | Cite as

Application of reflection holography to deformation measurement problems

The versatility of a reflection-holographic method is proven by practical problems solved, and its extension to the monitoring of deformation over long periods of times is indicated
  • A. E. Ennos
  • M. S. Virdee


The advantages of using reflection holography for measuring the deformation of structures in a workshop environment are outlined, and practical examples of its application are given. These include (1) a study of crack propagation in an aluminum sheet, showing the yielding of the metal in the vicinity of the crack tip, (2) measurement of the deformation of the platen in a compression testing machine when subjected to the localized force of a load cell, and (3) monitoring of long-term deformation of fiber composites using a real-time version of the holographic technique. Particular attention is paid to the design of the plate-holder mounting and to the photographic processing techniques that are required to achieve optimum results.


Aluminum Fluid Dynamics Testing Machine Compression Testing Optimum Result 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.


  1. 1.
    Abramson, N., “Sandwich Hologram Interferometry; a New Dimension in Holographic Comparison,”Appl. Opt.,13 (9),2019–2025 (Sept. 1974).Google Scholar
  2. 2.
    Waters, J.P., “Object Motion Compensation in CW Holography,”Holographic Nondestructive Testing, ed. by R. Erf, Academic Press, Inc., New York, ch. 8.2, 229–246 (1974).Google Scholar
  3. 3.
    Ennos, A.E. and Virdee, M.S., “Practical Evaluation of the Dilatation of Large Hydraulic Cylinders under Load, using Holographic Interferometry and Speckle Photography,” Proc. I.U.T.A.M. Symp. on ‘Optical Methods in Mechanics of Solids,” Poitiers, France, ed. Lagarde, Sijthoff and Noordhoff, 331–334 (1981).Google Scholar
  4. 4.
    Neumann, D.B. andPenn, R.C., “Off-table Holography,”Experimental Mechanics,15 (6),241–244 (June 1975).Google Scholar
  5. 5.
    Boone, P.M., “Use of Reflection Holograms in Hologram Interferometry and Speckle Correlation for Measurement of Surface Displacement,”Optica Acta,22 (7),579–589 (July 1975).Google Scholar
  6. 6.
    Timoshenko, S., Theory of Elasticity, McGraw Hill Book Company, New York, 333–335 (1934).Google Scholar
  7. 7.
    Adams, F.D. andMaddux, G.E., “Synthesis of Holography and Speckle Photography to Measure 3-D Displacements,”Appl. Opt.,13 (2),219 (Feb. 1974).Google Scholar
  8. 8.
    Benton, S.A., “Photographic Materials and their Handling,”Handbook of Optical Holography, ed. H.J. Caulfield, Academic Press, New York, 349–366 (1979).Google Scholar
  9. 9.
    Archbold, E. andEnnos, A.E., “Applications of Holography and Speckle Photography to the Measurement of Displacement and Strain,”J. Strain Anal.,9 (1),10–16 (Jan. 1974).Google Scholar

Copyright information

© Society for Experimental Mechanics, Inc. 1982

Authors and Affiliations

  • A. E. Ennos
    • 1
  • M. S. Virdee
    • 1
  1. 1.National Physical LaboratoryTeddingtonUK

Personalised recommendations