Abstract

The resolution of the reconstructed wave by a phase-retrieval method using a volume-speckle field depends on the aperture defined by the size of the CCD array. The use of a larger aperture is introduced by measuring the speckle field at two different positions in the transverse plane and stitching the measurements together. Improvements in the quality of reconstructions are demonstrated experimentally and by computer simulations. Undesirable effects of camera tilt on the quality of reconstructions from synthetic aperture intensity measurements are experimentally observed and corrected.

© 2007 Optical Society of America

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References

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  1. L. Yaroslavsky, Digital Holography and Digital Image Processing: Principles, Methods, Algorithms (Kluwer Academic, 2004).
  2. T. Baumbach, E. Kolenovic, V. Kebbel, and W. Jüptner, Appl. Opt. 45, 6077 (2006).
    [CrossRef] [PubMed]
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  4. E. Kolenovic, J. Opt. Soc. Am. A 22, 899 (2005).
    [CrossRef]
  5. P. Almoro, G. Pedrini, and W. Osten, Appl. Opt. 45, 8596 (2006).
    [CrossRef] [PubMed]
  6. T. Kreis, M. Adams, and W. Jüptner, Proc. SPIE 4777, 69 (2002).
    [CrossRef]
  7. J. Massig, Opt. Lett. 27, 2179 (2002).
    [CrossRef]

2006 (2)

2005 (1)

2002 (2)

T. Kreis, M. Adams, and W. Jüptner, Proc. SPIE 4777, 69 (2002).
[CrossRef]

J. Massig, Opt. Lett. 27, 2179 (2002).
[CrossRef]

1972 (1)

R. W. Gerchberg and W. O. Saxton, Optik (Stuttgart) 35, 237 (1972).

Adams, M.

T. Kreis, M. Adams, and W. Jüptner, Proc. SPIE 4777, 69 (2002).
[CrossRef]

Almoro, P.

Baumbach, T.

Gerchberg, R. W.

R. W. Gerchberg and W. O. Saxton, Optik (Stuttgart) 35, 237 (1972).

Jüptner, W.

Kebbel, V.

Kolenovic, E.

Kreis, T.

T. Kreis, M. Adams, and W. Jüptner, Proc. SPIE 4777, 69 (2002).
[CrossRef]

Massig, J.

Osten, W.

Pedrini, G.

Saxton, W. O.

R. W. Gerchberg and W. O. Saxton, Optik (Stuttgart) 35, 237 (1972).

Yaroslavsky, L.

L. Yaroslavsky, Digital Holography and Digital Image Processing: Principles, Methods, Algorithms (Kluwer Academic, 2004).

Appl. Opt. (2)

J. Opt. Soc. Am. A (1)

Opt. Lett. (1)

Optik (Stuttgart) (1)

R. W. Gerchberg and W. O. Saxton, Optik (Stuttgart) 35, 237 (1972).

Proc. SPIE (1)

T. Kreis, M. Adams, and W. Jüptner, Proc. SPIE 4777, 69 (2002).
[CrossRef]

Other (1)

L. Yaroslavsky, Digital Holography and Digital Image Processing: Principles, Methods, Algorithms (Kluwer Academic, 2004).

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Figures (4)

Fig. 1
Fig. 1

Schematic of conventional SBMIR: (a) intensity measurements and (b) wave-field reconstruction.

Fig. 2
Fig. 2

Schematic of SBMIR with aperture synthesis.

Fig. 3
Fig. 3

(a) Simulated object. (b) Sets of intensity measurements. (c) Set of stitched measurements. (d) Reconstruction using the SBMIR technique with aperture synthesis.

Fig. 4
Fig. 4

Experimental results. (a) and (b) show poor-quality reconstructions, (c) and (d) are schematics of the measurement misalignment problem, (e) good-quality reconstruction.

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