Abstract

We report measurements of response time for the intensity-dependent absorption in a single BaTiO3 crystal under conditions in which no photorefractive effect can be observed. The speed of response is found to increase with increasing intensity but in a sublinear fashion similar to that observed for photorefractive decay. This experiment provides unambiguous evidence for the intensity-dependent absorption in BaTiO3 crystals.

© 1988 Optical Society of America

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References

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  1. M. B. Klein, G. C. Valley, J. Appl. Phys. 57, 4901 (1985).
    [CrossRef]
  2. A. Motes, J. J. Kim, Opt. Lett. 12, 199 (1987).
    [CrossRef] [PubMed]
  3. A. Motes, J. J. Kim, J. Opt. Soc. Am. B 4, 1379 (1987).
    [CrossRef]
  4. F. P. Strohkendl, J. M. Jonathan, R. W. Hellwarth, Opt. Lett. 11, 312 (1986).
    [CrossRef] [PubMed]
  5. G. Valley, J. Appl. Phys. 59, 3363 (1986).
    [CrossRef]
  6. G. A. Brost, R. A. Motes, J. R. Rotgé, J. J. Kim, in Digest of Topical Meeting on Photorefractive Materials, Effects, and Devices (Optical Society of America, Washington, D.C., 1987), paper PD4.
  7. S. Ducharme, J. Feinberg, J. Appl. Phys. 56, 839 (1984).
    [CrossRef]

1987

1986

1985

M. B. Klein, G. C. Valley, J. Appl. Phys. 57, 4901 (1985).
[CrossRef]

1984

S. Ducharme, J. Feinberg, J. Appl. Phys. 56, 839 (1984).
[CrossRef]

Brost, G. A.

G. A. Brost, R. A. Motes, J. R. Rotgé, J. J. Kim, in Digest of Topical Meeting on Photorefractive Materials, Effects, and Devices (Optical Society of America, Washington, D.C., 1987), paper PD4.

Ducharme, S.

S. Ducharme, J. Feinberg, J. Appl. Phys. 56, 839 (1984).
[CrossRef]

Feinberg, J.

S. Ducharme, J. Feinberg, J. Appl. Phys. 56, 839 (1984).
[CrossRef]

Hellwarth, R. W.

Jonathan, J. M.

Kim, J. J.

A. Motes, J. J. Kim, Opt. Lett. 12, 199 (1987).
[CrossRef] [PubMed]

A. Motes, J. J. Kim, J. Opt. Soc. Am. B 4, 1379 (1987).
[CrossRef]

G. A. Brost, R. A. Motes, J. R. Rotgé, J. J. Kim, in Digest of Topical Meeting on Photorefractive Materials, Effects, and Devices (Optical Society of America, Washington, D.C., 1987), paper PD4.

Klein, M. B.

M. B. Klein, G. C. Valley, J. Appl. Phys. 57, 4901 (1985).
[CrossRef]

Motes, A.

Motes, R. A.

G. A. Brost, R. A. Motes, J. R. Rotgé, J. J. Kim, in Digest of Topical Meeting on Photorefractive Materials, Effects, and Devices (Optical Society of America, Washington, D.C., 1987), paper PD4.

Rotgé, J. R.

G. A. Brost, R. A. Motes, J. R. Rotgé, J. J. Kim, in Digest of Topical Meeting on Photorefractive Materials, Effects, and Devices (Optical Society of America, Washington, D.C., 1987), paper PD4.

Strohkendl, F. P.

Valley, G.

G. Valley, J. Appl. Phys. 59, 3363 (1986).
[CrossRef]

Valley, G. C.

M. B. Klein, G. C. Valley, J. Appl. Phys. 57, 4901 (1985).
[CrossRef]

J. Appl. Phys.

S. Ducharme, J. Feinberg, J. Appl. Phys. 56, 839 (1984).
[CrossRef]

M. B. Klein, G. C. Valley, J. Appl. Phys. 57, 4901 (1985).
[CrossRef]

G. Valley, J. Appl. Phys. 59, 3363 (1986).
[CrossRef]

J. Opt. Soc. Am. B

Opt. Lett.

Other

G. A. Brost, R. A. Motes, J. R. Rotgé, J. J. Kim, in Digest of Topical Meeting on Photorefractive Materials, Effects, and Devices (Optical Society of America, Washington, D.C., 1987), paper PD4.

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Figures (3)

Fig. 1
Fig. 1

Experimental setup for measuring the time response of the intensity-dependent absorption. ES, electromechanical shutter; BE, beam expander; Ip, pump beam; Is, signal beam; F, 440-nm filter; D, detector.

Fig. 2
Fig. 2

Signal-beam intensity versus time as the pump beam is turned on and then off. Induced absorption in the signal beam caused by the pump beam is shown.

Fig. 3
Fig. 3

Rise time and magnitude of the intensity-dependent absorption versus pump-beam intensity.

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