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Applied Optics

Applied Optics


  • Vol. 17, Iss. 14 — Jul. 15, 1978
  • pp: 2198–2204

Statistical analysis of errors in holographic interferometry

D. Nobis and C. M. Vest  »View Author Affiliations

Applied Optics, Vol. 17, Issue 14, pp. 2198-2204 (1978)

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A statistical analysis of the effect of measurement errors on the determination of small vector displacements of diffusely reflecting objects by holographic interferometry is reported. There are two sources of error: inaccurate measurement of fringe-order number and inaccurate measurement of illumination and observation directions. Standard deviations of errors in measured displacements due to these two sources are presented in graphical form for a variety of holographic system geometries. Absolute fringe orders should be measured whenever possible, because fringe readout by scanning leads to very large errors.

© 1978 Optical Society of America

Original Manuscript: July 25, 1977
Published: July 15, 1978

D. Nobis and C. M. Vest, "Statistical analysis of errors in holographic interferometry," Appl. Opt. 17, 2198-2204 (1978)

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