Abstract

A phase shifting readout system is used to analyze whole field fringes in dual plate speckle photography and preliminary results obtained with a first prototype are presented.

© 1990 Optical Society of America

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References

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  1. G. B. Smith, K. A. Stetson, “Heterodyne Readout of Specklegram Halo Interference Fringes,” Appl. Opt. 19, 3031–3033 (1980).
    [CrossRef] [PubMed]
  2. K. A. Stetson, “Effect of Scintillation Noise in Heterodyne Speckle Photogrammetry,” Appl. Opt. 23, 920–923 (1984).
    [CrossRef] [PubMed]
  3. J. S. Kim, M. Giglio, U. Perini, S. Musazzi, “Speckle Grain Noise in Heterodyne Techniques for Holographic Interferometry and Speckle Photogrammetry,” Appl. Opt. 26, 4653–4656 (1987).
    [CrossRef] [PubMed]
  4. J. S. Kim, S. Musazzi, U. Perini, M. Giglio, “Heterodyne Readout System for Dual Plate Speckle Photography: Analysis of Error Sources and Performance Evaluation,” Appl. Opt. 28, 1862–1868 (1989).
    [CrossRef] [PubMed]
  5. S. A. Isacson, G. H. Kaufmann, “Two-Dimensional Digital Processing of Speckle Photography Fringes. 1: Diffraction Halo Influence for the Noise-Free Case,” Appl. Opt. 24, 189–193 (1985).
    [CrossRef] [PubMed]
  6. K. Creath, “Phase-Measurement Interferometry,” in Progress in Optics, Vol. 25, E. Wolf, Ed. (North-Holland, Amsterdam, 1988), pp. 349–393.
    [CrossRef]
  7. A. E. Ennos, “Speckle Interferometry,” in Laser Speckle and Related Phenomena, Vol. 9, Topics in Applied Physics, J.-C. Dainty Ed. (Springer-Verlag, Berlin, 1975), pp. 203–253.
    [CrossRef]
  8. Optocat program, commercially available from Optotech, D-7758 Meersburg, FRG.

1989 (1)

1987 (1)

1985 (1)

1984 (1)

1980 (1)

Creath, K.

K. Creath, “Phase-Measurement Interferometry,” in Progress in Optics, Vol. 25, E. Wolf, Ed. (North-Holland, Amsterdam, 1988), pp. 349–393.
[CrossRef]

Ennos, A. E.

A. E. Ennos, “Speckle Interferometry,” in Laser Speckle and Related Phenomena, Vol. 9, Topics in Applied Physics, J.-C. Dainty Ed. (Springer-Verlag, Berlin, 1975), pp. 203–253.
[CrossRef]

Giglio, M.

Isacson, S. A.

Kaufmann, G. H.

Kim, J. S.

Musazzi, S.

Perini, U.

Smith, G. B.

Stetson, K. A.

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Figures (4)

Fig. 1
Fig. 1

Phase shifting readout system.

Fig. 2
Fig. 2

Whole field fringes recorded for an in-plane rotation.

Fig. 3
Fig. 3

Computed phase of the whole field fringes.

Fig. 4
Fig. 4

Isometric plot of calculated phase.

Equations (3)

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d a sin α = n λ ,
ϕ ( x , y ) = tan - 1 [ 3 I 3 ( x , y ) - I 2 ( x , y ) 2 I 1 ( x , y ) - I 2 ( x , y ) - I 3 ( x , y ) ] .
d a ( x , y ) = ϕ ( x , y ) λ 2 π sin α .

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