Abstract

We show that image-coding filters can be easily constructed using the binary phase-only filter and implemented using the Semetex magneto-optic spatial light modulator. The theoretical background for such filters is reviewed, and experimental results are presented.

© 1988 Optical Society of America

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References

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  1. A. W. Lohmann, D. P. Paris, H. W. Werlich, Appl. Opt. 6, 1139 (1967).
    [CrossRef] [PubMed]
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    [CrossRef]
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    [CrossRef] [PubMed]
  4. J. L. Horner, H. O. Bartelt, Appl. Opt. 24, 2889 (1985).
    [CrossRef] [PubMed]
  5. W. E. Ross, D. Psaltis, R. H. Anderson, Opt. Eng. 22, 485 (1983).
  6. D. Psaltis, E. G. Paek, S. S. Venkatesh, Opt. Eng. 23, 698 (1984).
  7. D. M. Cottrell, R. A. Lilly, J. A. Davis, T. Day, Appl. Opt. 26, 3755 (1987).
    [CrossRef] [PubMed]
  8. J. A. Davis, G. W. Bach, D. M. Cottrell, R. A. Lilly, Appl. Opt. (to be published).
  9. D. L. Flannery, A. M. Biernacki, J. S. Loomis, S. L. Cartwright, Appl. Opt. 25, 466 (1986).
    [CrossRef] [PubMed]

1987

1986

1985

1984

D. Psaltis, E. G. Paek, S. S. Venkatesh, Opt. Eng. 23, 698 (1984).

1983

W. E. Ross, D. Psaltis, R. H. Anderson, Opt. Eng. 22, 485 (1983).

1967

Anderson, R. H.

W. E. Ross, D. Psaltis, R. H. Anderson, Opt. Eng. 22, 485 (1983).

Bach, G. W.

J. A. Davis, G. W. Bach, D. M. Cottrell, R. A. Lilly, Appl. Opt. (to be published).

Bartelt, H. O.

Biernacki, A. M.

Cartwright, S. L.

Cottrell, D. M.

D. M. Cottrell, R. A. Lilly, J. A. Davis, T. Day, Appl. Opt. 26, 3755 (1987).
[CrossRef] [PubMed]

J. A. Davis, G. W. Bach, D. M. Cottrell, R. A. Lilly, Appl. Opt. (to be published).

Davis, J. A.

D. M. Cottrell, R. A. Lilly, J. A. Davis, T. Day, Appl. Opt. 26, 3755 (1987).
[CrossRef] [PubMed]

J. A. Davis, G. W. Bach, D. M. Cottrell, R. A. Lilly, Appl. Opt. (to be published).

Day, T.

Flannery, D. L.

Horner, J. L.

Leger, J. R.

Lilly, R. A.

D. M. Cottrell, R. A. Lilly, J. A. Davis, T. Day, Appl. Opt. 26, 3755 (1987).
[CrossRef] [PubMed]

J. A. Davis, G. W. Bach, D. M. Cottrell, R. A. Lilly, Appl. Opt. (to be published).

Lohmann, A. W.

Loomis, J. S.

Paek, E. G.

D. Psaltis, E. G. Paek, S. S. Venkatesh, Opt. Eng. 23, 698 (1984).

Paris, D. P.

Psaltis, D.

D. Psaltis, E. G. Paek, S. S. Venkatesh, Opt. Eng. 23, 698 (1984).

W. E. Ross, D. Psaltis, R. H. Anderson, Opt. Eng. 22, 485 (1983).

Ross, W. E.

W. E. Ross, D. Psaltis, R. H. Anderson, Opt. Eng. 22, 485 (1983).

Stroke, G. W.

G. W. Stroke, R. G. Zech, Phys. Lett. A 25, 89 (1967).
[CrossRef]

Venkatesh, S. S.

D. Psaltis, E. G. Paek, S. S. Venkatesh, Opt. Eng. 23, 698 (1984).

Werlich, H. W.

Zech, R. G.

G. W. Stroke, R. G. Zech, Phys. Lett. A 25, 89 (1967).
[CrossRef]

Appl. Opt.

Opt. Eng.

W. E. Ross, D. Psaltis, R. H. Anderson, Opt. Eng. 22, 485 (1983).

D. Psaltis, E. G. Paek, S. S. Venkatesh, Opt. Eng. 23, 698 (1984).

Phys. Lett. A

G. W. Stroke, R. G. Zech, Phys. Lett. A 25, 89 (1967).
[CrossRef]

Other

J. A. Davis, G. W. Bach, D. M. Cottrell, R. A. Lilly, Appl. Opt. (to be published).

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Figures (4)

Fig. 1
Fig. 1

Optical image-coding system.

Fig. 2
Fig. 2

Test patterns consisting of A, cross and B, circle.

Fig. 3
Fig. 3

Output image of a circle when input function is a cross.

Fig. 4
Fig. 4

Optical image of a cross when input function is a circle.

Equations (4)

Equations on this page are rendered with MathJax. Learn more.

G ( u , υ ) F ( u , υ ) = G ( u , υ ) F * ( u , υ ) [ F ( u , υ ) ] 2 .
BIN [ G ( u , υ ) F * ( u , υ ) + G * ( u , υ ) F ( u , υ ) ] ,
F ( u , υ ) BIN [ G ( u , υ ) F * ( u , υ ) + G * ( u , υ ) F ( u , υ ) ] .
F ( u , υ ) BIN [ G ( u , υ ) F * ( u , υ ) ] + F ( u , υ ) BIN [ G * ( u , υ ) F ( u , υ ) ] .

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