Abstract

An experimental study of variation of sensitivity with recording and sensitizing intensities in two-center recording is presented. The experimental results are in good agreement with the theoretical predictions. It is shown experimentally, for what is to our knowledge the first time, that the sensitivity is a function of the ratio of recording to sensitizing intensities and not the absolute intensities. Also, the ratio of recording to sensitizing intensities should be small to obtain high sensitivity values. We also report the highest sensitivity (S=0.15cmJ) that has been achieved to date for a LiNbO3:Fe:Mn crystal.

© 2005 Optical Society of America

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References

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  1. K. Buse, A. Adibi, and D. Psaltis, Nature 393, 665 (1998).
    [CrossRef]
  2. A. Adibi, K. Buse, and D. Psaltis, J. Opt. Soc. Am. B 18, 584 (2001).
    [CrossRef]
  3. Y. W. Liu, L. R. Liu, Y. C. Guo, and C. H. Zhou, Acta Phys. Sin. 49, 880 (2000).
  4. O. Momtahan and A. Adibi, J. Opt. Soc. Am. B 20, 449 (2003).
    [CrossRef]
  5. D. Psaltis, D. Brady, and K. Wagner, Appl. Opt. 27, 1752 (1988).
    [CrossRef]
  6. P. Gunter and J.-P. Huignard, eds., Photorefractive Materials and Their Applications I, Vol. 61 of Topics in Applied Physics (Springer-Verlag, 1987).
  7. A. Adibi, K. Buse, and D. Psaltis, Opt. Lett. 25, 539 (2000).
    [CrossRef]
  8. Y. W. Liu, L. R. Liu, D. A. Liu, L. Y. Xu, and C. H. Zhou, Opt. Commun. 190, 339 (2001).
    [CrossRef]

2003 (1)

2001 (2)

A. Adibi, K. Buse, and D. Psaltis, J. Opt. Soc. Am. B 18, 584 (2001).
[CrossRef]

Y. W. Liu, L. R. Liu, D. A. Liu, L. Y. Xu, and C. H. Zhou, Opt. Commun. 190, 339 (2001).
[CrossRef]

2000 (2)

A. Adibi, K. Buse, and D. Psaltis, Opt. Lett. 25, 539 (2000).
[CrossRef]

Y. W. Liu, L. R. Liu, Y. C. Guo, and C. H. Zhou, Acta Phys. Sin. 49, 880 (2000).

1998 (1)

K. Buse, A. Adibi, and D. Psaltis, Nature 393, 665 (1998).
[CrossRef]

1988 (1)

Adibi, A.

Brady, D.

Buse, K.

Guo, Y. C.

Y. W. Liu, L. R. Liu, Y. C. Guo, and C. H. Zhou, Acta Phys. Sin. 49, 880 (2000).

Liu, D. A.

Y. W. Liu, L. R. Liu, D. A. Liu, L. Y. Xu, and C. H. Zhou, Opt. Commun. 190, 339 (2001).
[CrossRef]

Liu, L. R.

Y. W. Liu, L. R. Liu, D. A. Liu, L. Y. Xu, and C. H. Zhou, Opt. Commun. 190, 339 (2001).
[CrossRef]

Y. W. Liu, L. R. Liu, Y. C. Guo, and C. H. Zhou, Acta Phys. Sin. 49, 880 (2000).

Liu, Y. W.

Y. W. Liu, L. R. Liu, D. A. Liu, L. Y. Xu, and C. H. Zhou, Opt. Commun. 190, 339 (2001).
[CrossRef]

Y. W. Liu, L. R. Liu, Y. C. Guo, and C. H. Zhou, Acta Phys. Sin. 49, 880 (2000).

Momtahan, O.

Psaltis, D.

Wagner, K.

Xu, L. Y.

Y. W. Liu, L. R. Liu, D. A. Liu, L. Y. Xu, and C. H. Zhou, Opt. Commun. 190, 339 (2001).
[CrossRef]

Zhou, C. H.

Y. W. Liu, L. R. Liu, D. A. Liu, L. Y. Xu, and C. H. Zhou, Opt. Commun. 190, 339 (2001).
[CrossRef]

Y. W. Liu, L. R. Liu, Y. C. Guo, and C. H. Zhou, Acta Phys. Sin. 49, 880 (2000).

Acta Phys. Sin. (1)

Y. W. Liu, L. R. Liu, Y. C. Guo, and C. H. Zhou, Acta Phys. Sin. 49, 880 (2000).

Appl. Opt. (1)

J. Opt. Soc. Am. B (2)

Nature (1)

K. Buse, A. Adibi, and D. Psaltis, Nature 393, 665 (1998).
[CrossRef]

Opt. Commun. (1)

Y. W. Liu, L. R. Liu, D. A. Liu, L. Y. Xu, and C. H. Zhou, Opt. Commun. 190, 339 (2001).
[CrossRef]

Opt. Lett. (1)

Other (1)

P. Gunter and J.-P. Huignard, eds., Photorefractive Materials and Their Applications I, Vol. 61 of Topics in Applied Physics (Springer-Verlag, 1987).

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Figures (4)

Fig. 1
Fig. 1

Experimental setup for stabilized two-center recording. DAQ, data acquisition card; HV, high-voltage amplifier; I, iris; L, lens; M, mirror; NPBS, nonpolarizing beam splitter; PBS, polarizing beam splitter; PD, power detector; PM, piezo mirror; S, shutter; SF, spatial filter; WP: half-wave plate.

Fig. 2
Fig. 2

Typical reading and readout curve for the Li Nb O 3 : Fe : Mn crystal described in the text with I rec = 50 mW cm 2 and I sen = 18 mW cm 2 . The hologram was recorded for 20 min . Then the hologram was under the illumination of a Bragg-mismatched beam with 25 mW cm 2 intensity for 80 min .

Fig. 3
Fig. 3

Sensitivity ( S ) in two-center recording as a function of total recording intensity ( I rec ) while the recording to sensitizing intensity ratio is fixed at I rec I sen = 3.1 . The properties of the recording material are described in the text.

Fig. 4
Fig. 4

Sensitivity ( S ) and persistent sensitivity ( S ) in two-center recording as functions of the ratio of recording to sensitizing intensities ( I rec I sen ) with I sen = 36 mW cm 2 for the Li Nb O 3 : Fe : Mn crystal described in the text. The persistent sensitivity ( S ) is equal to β S .

Equations (1)

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S = 1 I rec L × d η d t t = 0 ,

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