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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 10 — Apr. 1, 1998
  • pp: 1845–1848

Method for fringe enhancement in holographic interferometry for measurement of in-plane displacements

Torgny E. Carlsson, Jonny Gustafsson, and Nils H. Abramson  »View Author Affiliations


Applied Optics, Vol. 37, Issue 10, pp. 1845-1848 (1998)
http://dx.doi.org/10.1364/AO.37.001845


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Abstract

Theoretical background along with experimental results are given for a simple method for in-plane fringe enhancement in dual-beam illumination holographic interferometry. In this method, the fringes representing in-plane displacements arise as a moiré pattern between two interferograms. To distinguish the in-plane displacement, a sequence of images is recorded while the reference mirror is continuously tilted at random. The in-plane fringes are then found as the maximum contrast of the out-of-plane fringes in the image sequence. The resulting fringe quality is close to the quality of the out-of-plane fringes.

© 1998 Optical Society of America

OCIS Codes
(090.2880) Holography : Holographic interferometry
(120.2650) Instrumentation, measurement, and metrology : Fringe analysis

History
Original Manuscript: March 3, 1997
Revised Manuscript: October 14, 1997
Published: April 1, 1998

Citation
Torgny E. Carlsson, Jonny Gustafsson, and Nils H. Abramson, "Method for fringe enhancement in holographic interferometry for measurement of in-plane displacements," Appl. Opt. 37, 1845-1848 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-10-1845

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