Abstract

We describe a high-speed digital speckle pattern interferometer incorporating a line-scan camera and a waveguide phase modulator for the measurement of complex deformation (vibration phase and amplitude) at audio acoustic frequencies. Experimental data show continuous phase-stepped recovery of out-of-plane surface deformation in one dimension, obtained at 100 kHz with 2π/20-rad (0.02-μm) displacement resolution, for surface velocities of 3.2 mm s><sup>-1</sup> .

© 2000 Optical Society of America

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1999

1997

Y. Hu and S. Chen, Meas. Sci. Technol. 8, 871 (1997).

1996

1994

1993

1990

1989

G. M. Brown and G. H. Smith, Proc. SPIE 1162, 36 (1989).

1985

1966

P. Carré, Metrologia 2, 13 (1966).

Barton, J. S.

Brophy, C. P.

Brown, G. M.

G. M. Brown and G. H. Smith, Proc. SPIE 1162, 36 (1989).

Carré, P.

P. Carré, Metrologia 2, 13 (1966).

Chen, S.

Y. Hu and S. Chen, Meas. Sci. Technol. 8, 871 (1997).

Colonna de Lega, X.

Creath, K.

Frankena, J.

Hand, D. P.

Hu, Y.

Y. Hu and S. Chen, Meas. Sci. Technol. 8, 871 (1997).

Huntley, J. M.

Jacquot, P.

Jones, J. D. C.

Jones, R.

R. Jones and C. Wykes, Holographic and Speckle Interferometry (Cambridge U. Press, Cambridge, 1983).

Kaufmann, G. H.

Kerr, D.

Moore, A. J.

Saldner, H.

Smith, G. H.

G. M. Brown and G. H. Smith, Proc. SPIE 1162, 36 (1989).

Van Haasteren, A. J. P.

Wykes, C.

R. Jones and C. Wykes, Holographic and Speckle Interferometry (Cambridge U. Press, Cambridge, 1983).

Appl. Opt.

J. Opt. Soc. Am. A

Meas. Sci. Technol.

Y. Hu and S. Chen, Meas. Sci. Technol. 8, 871 (1997).

Metrologia

P. Carré, Metrologia 2, 13 (1966).

Proc. SPIE

G. M. Brown and G. H. Smith, Proc. SPIE 1162, 36 (1989).

Other

R. Jones and C. Wykes, Holographic and Speckle Interferometry (Cambridge U. Press, Cambridge, 1983).

D. W. Robinson and G. T. Reid, eds., Interferogram Analysis (IOP, Bristol, UK, 1993).

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