Abstract

The angular selectivity of volume diffraction gratings is exploited to form a filter that alters the relative amplitude and phase of selected frequency components to improve the output imagery of blurred data.

© 1978 Optical Society of America

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References

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  1. E. N. Leith, Proc. IEEE 65, 18 (1977).
    [CrossRef]
  2. G. W. Stroke, M. Halioula, F. Thon, D. H. Willasch, Proc. IEEE 65, 39 (1977).
    [CrossRef]
  3. H. Kogelnik, Bell Syst. Tech. J. 48, 2909 (1969).
  4. E. N. Leith, A. Kozma, J. Upatnieks, J. Marks, N. Massey, Appl. Opt. 5, 1303 (1966).
    [CrossRef] [PubMed]
  5. D. H. Close, G. E. Moss, J. Opt. Soc. Am. 63, 1324 (1973).
  6. A. A. Friesem, Z. Rav-Noy, S. Reich, Appl. Opt. 16, 427 (1977).
    [CrossRef] [PubMed]

1977

E. N. Leith, Proc. IEEE 65, 18 (1977).
[CrossRef]

G. W. Stroke, M. Halioula, F. Thon, D. H. Willasch, Proc. IEEE 65, 39 (1977).
[CrossRef]

A. A. Friesem, Z. Rav-Noy, S. Reich, Appl. Opt. 16, 427 (1977).
[CrossRef] [PubMed]

1973

D. H. Close, G. E. Moss, J. Opt. Soc. Am. 63, 1324 (1973).

1969

H. Kogelnik, Bell Syst. Tech. J. 48, 2909 (1969).

1966

Close, D. H.

D. H. Close, G. E. Moss, J. Opt. Soc. Am. 63, 1324 (1973).

Friesem, A. A.

Halioula, M.

G. W. Stroke, M. Halioula, F. Thon, D. H. Willasch, Proc. IEEE 65, 39 (1977).
[CrossRef]

Kogelnik, H.

H. Kogelnik, Bell Syst. Tech. J. 48, 2909 (1969).

Kozma, A.

Leith, E. N.

Marks, J.

Massey, N.

Moss, G. E.

D. H. Close, G. E. Moss, J. Opt. Soc. Am. 63, 1324 (1973).

Rav-Noy, Z.

Reich, S.

Stroke, G. W.

G. W. Stroke, M. Halioula, F. Thon, D. H. Willasch, Proc. IEEE 65, 39 (1977).
[CrossRef]

Thon, F.

G. W. Stroke, M. Halioula, F. Thon, D. H. Willasch, Proc. IEEE 65, 39 (1977).
[CrossRef]

Upatnieks, J.

Willasch, D. H.

G. W. Stroke, M. Halioula, F. Thon, D. H. Willasch, Proc. IEEE 65, 39 (1977).
[CrossRef]

Appl. Opt.

Bell Syst. Tech. J.

H. Kogelnik, Bell Syst. Tech. J. 48, 2909 (1969).

J. Opt. Soc. Am.

D. H. Close, G. E. Moss, J. Opt. Soc. Am. 63, 1324 (1973).

Proc. IEEE

E. N. Leith, Proc. IEEE 65, 18 (1977).
[CrossRef]

G. W. Stroke, M. Halioula, F. Thon, D. H. Willasch, Proc. IEEE 65, 39 (1977).
[CrossRef]

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Figures (3)

Fig. 1
Fig. 1

Superposition of two thick diffraction gratings: (a) model of the recorded fringes, (b) vector diagram.

Fig. 2
Fig. 2

Filter recording arrangement.

Fig. 3
Fig. 3

Experimental results: (a) linearly smeared object, (b) restored image.

Equations (5)

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σ ¯ = ( ρ x - K x ) e x + β 2 - ( ρ x - K x ) 2 e z ,
Δ α = λ 2 × t × sin ( α / 2 ) ,
Δ α λ d × cos ( α / 2 ) ,
tan ( α / 2 ) = d / 2 t ,
d = 2 D ,

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