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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 33, Iss. 20 — Jul. 10, 1994
  • pp: 4373–4377

Digital recording and reconstruction of holograms in hologram interferometry and shearography

Ulf Schnars and Werner P. O. Jüptner  »View Author Affiliations


Applied Optics, Vol. 33, Issue 20, pp. 4373-4377 (1994)
http://dx.doi.org/10.1364/AO.33.004373


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Abstract

The fundamentals of digital recording and mathematical reconstruction of Fresnel holograms are described. The object is recorded in two different states, and the holograms are stored electronically with a charge-coupled-device detector. In the process of reconstruction the digitally sampled holograms are applied to the different coherent optical methods as hologram interferometry and shearography. If the holograms are superimposed and reconstructed jointly, a holographic interferogram results. If a shearing is introduced in the reconstruction process, a shearogram results. This means that the evaluation technique, e.g., hologram interferometry or shearography, can be influenced by numerical methods.

© 1994 Optical Society of America

History
Original Manuscript: September 27, 1993
Revised Manuscript: November 17, 1993
Published: July 10, 1994

Citation
Ulf Schnars and Werner P. O. Jüptner, "Digital recording and reconstruction of holograms in hologram interferometry and shearography," Appl. Opt. 33, 4373-4377 (1994)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-33-20-4373


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References

  1. Y. I. Ostrovsky, M. M. Butusov, G. V. Ostrovskaya, Interferometry by Holography (Springer-Verlag, New York, 1980), Chap. 1, p. 11.
  2. W. Jüptner, “Holographic techniques,” in Sensors and Sensory Systems for Advanced Robots, P. Dario, ed., Vol. 43 of North Atlantic Treaty Organization ASI Series (Springer-Verlag, New York, 1988), pp. 273–293.
  3. U. Schnars, W. Jüptner, “Direct recording of holograms by a CCD target and numerical reconstruction,” Appl. Opt. 33, 179–181 (1994). [CrossRef] [PubMed]
  4. L. P. Yaroslavskii, N. S. Merzylakov, Methods of Digital Holography (Consultants Bureau, New York, 1980), Chap. 1, p. 14.
  5. J. A. Leendertz, J. N. Butters, “An image shearing-speckle pattern interferometer for measuring bending moments,” J. Phys. E 6, 1107 (1973). [CrossRef]
  6. Y. Y. Hung, C. Y. Liang, “Image-shearing camera for direct measurement of surface strains,” Appl. Opt. 18, 1046–1051 (1979). [CrossRef] [PubMed]

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