Abstract

Experimental results obtained using a fine-resolution, three-dimensional imaging method are presented. The method consists of flood illuminating an extended object with a laser beam and recording the scattered light as the laser frequency is varied. An image is recovered by three-dimensional Fourier transformation of the recorded data. For the results presented here, a tunable dye-laser source is used, and the obtained range resolution is 287 μm.

© 1992 Optical Society of America

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References

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  1. J. C. Marron, K. S. Schroeder, Appl. Opt. 31, 255 (1992).
    [Crossref] [PubMed]
  2. J. W. Walker, IEEE Trans. Aerospace Electron. Syst. AES-16, 23 (1980).
    [Crossref]
  3. D. A. Ausherman, A. Kozma, J. L. Walker, H. M. Jones, E. C. Poggio, IEEE Trans. Aerospace Electron. Syst. AES-20, 363 (1984).
    [Crossref]
  4. N. H. Farhat, in Optics in Four Dimensions—1980, M. A. Machado, L. M. Narducci, eds. (American Institute of Physics, New York, 1981), p. 627.
  5. G. S. Kino, S. S. C. Chim, Appl. Opt. 29, 3775 (1990).
    [Crossref] [PubMed]
  6. B. S. Lee, T. C. Strand, Appl. Opt. 29, 3784 (1990).
    [Crossref] [PubMed]

1992 (1)

1990 (2)

1984 (1)

D. A. Ausherman, A. Kozma, J. L. Walker, H. M. Jones, E. C. Poggio, IEEE Trans. Aerospace Electron. Syst. AES-20, 363 (1984).
[Crossref]

1980 (1)

J. W. Walker, IEEE Trans. Aerospace Electron. Syst. AES-16, 23 (1980).
[Crossref]

Ausherman, D. A.

D. A. Ausherman, A. Kozma, J. L. Walker, H. M. Jones, E. C. Poggio, IEEE Trans. Aerospace Electron. Syst. AES-20, 363 (1984).
[Crossref]

Chim, S. S. C.

Farhat, N. H.

N. H. Farhat, in Optics in Four Dimensions—1980, M. A. Machado, L. M. Narducci, eds. (American Institute of Physics, New York, 1981), p. 627.

Jones, H. M.

D. A. Ausherman, A. Kozma, J. L. Walker, H. M. Jones, E. C. Poggio, IEEE Trans. Aerospace Electron. Syst. AES-20, 363 (1984).
[Crossref]

Kino, G. S.

Kozma, A.

D. A. Ausherman, A. Kozma, J. L. Walker, H. M. Jones, E. C. Poggio, IEEE Trans. Aerospace Electron. Syst. AES-20, 363 (1984).
[Crossref]

Lee, B. S.

Marron, J. C.

Poggio, E. C.

D. A. Ausherman, A. Kozma, J. L. Walker, H. M. Jones, E. C. Poggio, IEEE Trans. Aerospace Electron. Syst. AES-20, 363 (1984).
[Crossref]

Schroeder, K. S.

Strand, T. C.

Walker, J. L.

D. A. Ausherman, A. Kozma, J. L. Walker, H. M. Jones, E. C. Poggio, IEEE Trans. Aerospace Electron. Syst. AES-20, 363 (1984).
[Crossref]

Walker, J. W.

J. W. Walker, IEEE Trans. Aerospace Electron. Syst. AES-16, 23 (1980).
[Crossref]

Appl. Opt. (3)

IEEE Trans. Aerospace Electron. Syst. (2)

J. W. Walker, IEEE Trans. Aerospace Electron. Syst. AES-16, 23 (1980).
[Crossref]

D. A. Ausherman, A. Kozma, J. L. Walker, H. M. Jones, E. C. Poggio, IEEE Trans. Aerospace Electron. Syst. AES-20, 363 (1984).
[Crossref]

Other (1)

N. H. Farhat, in Optics in Four Dimensions—1980, M. A. Machado, L. M. Narducci, eds. (American Institute of Physics, New York, 1981), p. 627.

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Figures (8)

Fig. 1
Fig. 1

Relationship between collected data and the recovered image.

Fig. 2
Fig. 2

Experimental setup. The argon-pumped dye laser is split into object and reference components, and the light is then recombined and detected with a CCD array.

Fig. 3
Fig. 3

Photograph of object used in experiments. The object is a 1/285-scale model of a military truck.

Fig. 4
Fig. 4

Azimuth–elevation projection image of the object.

Fig. 5
Fig. 5

Range–elevation projection image of the object.

Fig. 6
Fig. 6

Illustration to aid interpretation of the range–elevation image given in Fig. 5.

Fig. 7
Fig. 7

Rang–azimuth projection image of the object.

Fig. 8
Fig. 8

Illustration to aid interpretation of the range–azimuth image given in Fig. 7.

Equations (1)

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U ( ρ ) = K σ ( r ) exp ( i 2 π ρ r ) d 3 r ,

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