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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 25, Iss. 10 — May. 15, 1986
  • pp: 1661–1664

High sensitivity tilt measurement by speckle shear interferometry

R. K. Mohanty, C. Joenathan, and R. S. Sirohi  »View Author Affiliations


Applied Optics, Vol. 25, Issue 10, pp. 1661-1664 (1986)
http://dx.doi.org/10.1364/AO.25.001661


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Abstract

Speckle shear interferometry is used for measuring the tilt of diffuse objects with high sensitivity. The theory of tilt measurement using rotational, inversion, and folding shears is given, and experimental results are presented. Experimental configurations to achieve both inversion and folding shears simultaneously are given.

© 1986 Optical Society of America

History
Original Manuscript: November 16, 1985
Published: May 15, 1986

Citation
R. K. Mohanty, C. Joenathan, and R. S. Sirohi, "High sensitivity tilt measurement by speckle shear interferometry," Appl. Opt. 25, 1661-1664 (1986)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-25-10-1661


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References

  1. E. Archbold, A. E. Ennos, “Displacement Measurement from Double Exposure Laser Photographs,” Opt. Acta 19, 253 (1972). [CrossRef]
  2. D. A. Gregory, “Basic Physical Principles of Defocussed Speckle Photography: a Tilt Topology Inspection Technique,” Opt. Laser Technol. 8, 201 (1976). [CrossRef]
  3. D. A. Gregory, “Analysis of Topological Information from Defocussed Speckle Photograph,” Opt. Laser Technol. 9, 17 (1977). [CrossRef]
  4. H. Tiziani, “A Study of the Use of Laser Speckle to Measure Small Tilts of Optically Rough Surface Accurately,” Opt. Commun. 5, 271 (1972). [CrossRef]
  5. R. Krishnamurthy, R. K. Mohanty, R. S. Sirohi, M. P. Kothiyal, “Radial Speckle Shearing Interferometer and its Engineering Applications,” Optik 67, 85 (1984).
  6. R. K. Mohanty, C. Joenathan, R. S. Sirohi, “Measurement of Tilt with Speckle Shear Interferometry,” J. Opt. India 12, 118 (1983).
  7. R. K. Mohanty, C. Joenathan, R. S. Sirohi, “Speckle Shear Interferometry by Double Dove Prism,” Opt. Commun. 47, 27 (1983). [CrossRef]
  8. R. K. Mohanty, C. Joenathan, R. S. Sirohi, “Speckle Interferometric Method of Measuring Small out-of-plane Displacements,” Opt. Lett. 9, 475 (1984). [CrossRef] [PubMed]
  9. C. Joenathan, R. K. Mohanty, R. S. Sirohi, “Multiplexing in Speckle Shear Interferometry,” Opt. Acta 31, 681 (1984)and erratum 31, 1327 (1984). [CrossRef]
  10. C. Joenathan, R. K. Mohanty, R. S. Sirohi, “On the Methods of Multiplexing in Speckle Shear Interferometry,” Optik 69, 8 (1984).

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