Abstract

Optical fibers are used to provide object and reference illumination in the context of the electronic speckle-pattern interferometry technique. An all-fiber Michelson interferometer is used, with an electronic servo and a piezoelectric phase modulator, to obtain compensation for environmentally induced phase coupling into the fiber arms.

© 1990 Optical Society of America

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References

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  1. R. Jones, C. Wykes, Holographic and Speckle Interferometry (Cambridge U. Press, Cambridge, 1989).
  2. R. K. Erf, Speckle Metrology (Academic, New York, 1978).
  3. C. Creath, Opt. Lett. 10, 582 (1985).
    [CrossRef] [PubMed]
  4. O. J. Lokberg, K. Krakhella, Opt. Commun. 38, 155 (1981).
    [CrossRef]
  5. M. Corke, J. D. C. Jones, A. D. Kersey, D. A. Jackson, J. Phys. E 18, 185 (1985).
    [CrossRef]
  6. D. A. Jackson, R. Priest, A. Dandridge, A. B. Tveten, Appl. Opt. 19, 2926 (1980).
    [CrossRef] [PubMed]
  7. O. J. Lokberg, K. Hogmoen, Appl. Opt. 15, 2701 (1976).
    [CrossRef] [PubMed]
  8. R. Jones, Opt. Laser Technol. 8, 215 (1976).
    [CrossRef]

1985

M. Corke, J. D. C. Jones, A. D. Kersey, D. A. Jackson, J. Phys. E 18, 185 (1985).
[CrossRef]

C. Creath, Opt. Lett. 10, 582 (1985).
[CrossRef] [PubMed]

1981

O. J. Lokberg, K. Krakhella, Opt. Commun. 38, 155 (1981).
[CrossRef]

1980

1976

Corke, M.

M. Corke, J. D. C. Jones, A. D. Kersey, D. A. Jackson, J. Phys. E 18, 185 (1985).
[CrossRef]

Creath, C.

Dandridge, A.

Erf, R. K.

R. K. Erf, Speckle Metrology (Academic, New York, 1978).

Hogmoen, K.

Jackson, D. A.

M. Corke, J. D. C. Jones, A. D. Kersey, D. A. Jackson, J. Phys. E 18, 185 (1985).
[CrossRef]

D. A. Jackson, R. Priest, A. Dandridge, A. B. Tveten, Appl. Opt. 19, 2926 (1980).
[CrossRef] [PubMed]

Jones, J. D. C.

M. Corke, J. D. C. Jones, A. D. Kersey, D. A. Jackson, J. Phys. E 18, 185 (1985).
[CrossRef]

Jones, R.

R. Jones, Opt. Laser Technol. 8, 215 (1976).
[CrossRef]

R. Jones, C. Wykes, Holographic and Speckle Interferometry (Cambridge U. Press, Cambridge, 1989).

Kersey, A. D.

M. Corke, J. D. C. Jones, A. D. Kersey, D. A. Jackson, J. Phys. E 18, 185 (1985).
[CrossRef]

Krakhella, K.

O. J. Lokberg, K. Krakhella, Opt. Commun. 38, 155 (1981).
[CrossRef]

Lokberg, O. J.

O. J. Lokberg, K. Krakhella, Opt. Commun. 38, 155 (1981).
[CrossRef]

O. J. Lokberg, K. Hogmoen, Appl. Opt. 15, 2701 (1976).
[CrossRef] [PubMed]

Priest, R.

Tveten, A. B.

Wykes, C.

R. Jones, C. Wykes, Holographic and Speckle Interferometry (Cambridge U. Press, Cambridge, 1989).

Appl. Opt.

J. Phys. E

M. Corke, J. D. C. Jones, A. D. Kersey, D. A. Jackson, J. Phys. E 18, 185 (1985).
[CrossRef]

Opt. Commun.

O. J. Lokberg, K. Krakhella, Opt. Commun. 38, 155 (1981).
[CrossRef]

Opt. Laser Technol.

R. Jones, Opt. Laser Technol. 8, 215 (1976).
[CrossRef]

Opt. Lett.

Other

R. Jones, C. Wykes, Holographic and Speckle Interferometry (Cambridge U. Press, Cambridge, 1989).

R. K. Erf, Speckle Metrology (Academic, New York, 1978).

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Figures (3)

Fig. 1
Fig. 1

Experimental setup for measurement of out-of-plane displacements with an ESPI system with optical fibers and phase compensation.

Fig. 2
Fig. 2

Speckle fringes due to out-of-plane rotation; exposure time 1 sec. (a) Feedback loop closed, (b) feedback loop open.

Fig. 3
Fig. 3

Speckle addition fringes associated with two vibration modes of the object plate, with the feedback loop closed. (a) f = 960 Hz, (b) f = 6.6 kHz.

Equations (1)

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Δ d = λ 1 + cos θ ,

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