Abstract

A method of reconstructing positive and negative images from Fourier holograms recorded without the dc components is demonstrated by use of a coaxial holographic storage system. Reconstructed images are obtained by adding a phase-modulated dc component of the signal beam on reading. Contrast reversal of the reconstructed images can be achieved by reversing the readout reference pattern. This method can realize not only optical noise reduction but also less consumption of the dynamic range of the recording medium, potentially contributing to increasing the number of multiplexed holograms.

© 2006 Optical Society of America

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References

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2006 (2)

2005 (2)

2004 (2)

S. S. Orlov, W. Phillips, E. Bjornson, Y. Takayama, P. Sundaram, L. Hesselink, R. Okas, D. Kwan, and R. Snyder, Appl. Opt. 43, 4902 (2004).
[CrossRef] [PubMed]

J. Minabe, T. Maruyama, S. Yasuda, K. Kawano, K. Hayashi, and Y. Ogasawara, Jpn. J. Appl. Phys., Part 1 43, 4964 (2004).
[CrossRef]

1998 (1)

1996 (1)

1994 (1)

J. F. Heanue, M. C. Bashaw, and L. Hesselink, Science 265, 749 (1994).
[CrossRef] [PubMed]

Bashaw, M. C.

J. F. Heanue, M. C. Bashaw, and L. Hesselink, Science 265, 749 (1994).
[CrossRef] [PubMed]

Bjornson, E.

Boyd, C.

Burr, G. W.

Campbell, S.

Curtis, K.

Dhar, L.

Furuki, M.

Haga, K.

Harris, A.

Hayashi, K.

Heanue, J. F.

J. F. Heanue, M. C. Bashaw, and L. Hesselink, Science 265, 749 (1994).
[CrossRef] [PubMed]

Hesselink, L.

Hill, A.

Horimai, H.

Kawano, K.

Kimura, K.

Kwan, D.

Levinos, N.

Li, J.

Maruyama, T.

J. Minabe, T. Maruyama, S. Yasuda, K. Kawano, K. Hayashi, and Y. Ogasawara, Jpn. J. Appl. Phys., Part 1 43, 4964 (2004).
[CrossRef]

Minabe, J.

Mok, F. H.

Ogasawara, Y.

Okas, R.

Orlov, S. S.

Phillips, W.

Psaltis, D.

Schilling, M.

Snyder, R.

Sundaram, P.

Tackitt, M.

Takayama, Y.

Tan, X.

Wilson, W.

Yasuda, S.

Yeh, P.

P. Yeh, Introduction to Photorefractive Nonlinear Optics (Wiley, 1993).

Yoshizawa, H.

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Figures (4)

Fig. 1
Fig. 1

Experimental setup: SH, shutter; HW, half-wave plate; PBS, polarizing beam splitter; SLM, reflective spatial light modulator; L1–L6, lenses. Focal lengths of L1–L6 are 150, 100, 20, 20, 100, and 100 mm , respectively.

Fig. 2
Fig. 2

Images displayed on the SLM during (a) recording, (b) reading a negative reconstruction with the reference pattern used on recording, (c) reading a positive reconstruction with the contrast-reversed reference pattern.

Fig. 3
Fig. 3

Portion of the dc-removed data page detected by the CMOS camera. Fourier components of this pattern irradiate the medium.

Fig. 4
Fig. 4

Portion of (a) image reconstructed with the reference pattern used on recording and the additional dc component, (b) image reconstructed with the contrast-reversed reference pattern and the additional dc component, and (c) image obtained by subtracting Fig. 3a from Fig. 3b.

Equations (2)

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I ( x , y ) = a dc ( Δ φ ) exp ( i Δ ϕ ) ± s H ( x , y ) 2 ,
C = 2 a dc ( Δ φ ) 2 γ 1 γ s H ( x , y ) 2 cos ( Δ ϕ ) a dc ( Δ φ ) 2 + γ 1 γ s H ( x , y ) 2 ,

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