Abstract

The optical limiting properties of a thin film (~150 μm) of chemically enhanced bacteriorhodopsin under cw laser illumination is investigated. The effective nonlinearity n2 of the film is measured with the z-scan method. Anomalous absorption at different wavelengths as a function of illumination intensity is observed.

© 1993 Optical Society of America

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References

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  1. D. Oesterhelt, C. Branchle, N. Hampp, Q. Rev. Biophys. 24, 425 (1991).
    [CrossRef] [PubMed]
  2. R. R. Birge, Biochim. Biophys. Acta 106, 293 (1990).
  3. R. R. Birge, C. F. Zhang, J. Chem. Phys. 92, 7178 (1990).
    [CrossRef]
  4. Z. Chen, A. Lewis, H. Takei, I. Nebenzahl, Appl. Opt. 30, 5188 (1991).
    [CrossRef] [PubMed]
  5. O. Werner, B. Fischer, A. Lewis, Opt. Lett. 17, 241 (1992).
    [CrossRef] [PubMed]
  6. O. Werner, B. Fischer, A. Lewis, I. Nebenzahl, Opt. Lett. 15, 1117 (1990).
    [CrossRef] [PubMed]
  7. M. Sheik-Bahae, A. A. Said, E. W. Van Stryland, Opt. Lett. 14, 955 (1989).
    [CrossRef] [PubMed]
  8. R. Leite, S. Porto, T. Damen, Appl. Phys. Lett. 10, 100 (1967).
    [CrossRef]
  9. J. G. Tian, C. Zhang, G. Y. Zhang, Optik 10, 1 (1992).
  10. J. Y. Kim, P. Palffy-Muhoray, J. Appl. Phys. 66, 362 (1989).
    [CrossRef]
  11. D. J. Hagan, E. W. Van Stryland, M. J. Soileau, Y. Y. Wu, Opt. Lett. 13, 315 (1988).
    [CrossRef] [PubMed]
  12. N. V. Tkachenko, V. V. Savransky, A. Yu. Sharonov, Eur. Biophys. J. 17, 131 (1989).
    [CrossRef]

1992 (2)

O. Werner, B. Fischer, A. Lewis, Opt. Lett. 17, 241 (1992).
[CrossRef] [PubMed]

J. G. Tian, C. Zhang, G. Y. Zhang, Optik 10, 1 (1992).

1991 (2)

1990 (3)

R. R. Birge, Biochim. Biophys. Acta 106, 293 (1990).

R. R. Birge, C. F. Zhang, J. Chem. Phys. 92, 7178 (1990).
[CrossRef]

O. Werner, B. Fischer, A. Lewis, I. Nebenzahl, Opt. Lett. 15, 1117 (1990).
[CrossRef] [PubMed]

1989 (3)

M. Sheik-Bahae, A. A. Said, E. W. Van Stryland, Opt. Lett. 14, 955 (1989).
[CrossRef] [PubMed]

J. Y. Kim, P. Palffy-Muhoray, J. Appl. Phys. 66, 362 (1989).
[CrossRef]

N. V. Tkachenko, V. V. Savransky, A. Yu. Sharonov, Eur. Biophys. J. 17, 131 (1989).
[CrossRef]

1988 (1)

1967 (1)

R. Leite, S. Porto, T. Damen, Appl. Phys. Lett. 10, 100 (1967).
[CrossRef]

Birge, R. R.

R. R. Birge, Biochim. Biophys. Acta 106, 293 (1990).

R. R. Birge, C. F. Zhang, J. Chem. Phys. 92, 7178 (1990).
[CrossRef]

Branchle, C.

D. Oesterhelt, C. Branchle, N. Hampp, Q. Rev. Biophys. 24, 425 (1991).
[CrossRef] [PubMed]

Chen, Z.

Damen, T.

R. Leite, S. Porto, T. Damen, Appl. Phys. Lett. 10, 100 (1967).
[CrossRef]

Fischer, B.

Hagan, D. J.

Hampp, N.

D. Oesterhelt, C. Branchle, N. Hampp, Q. Rev. Biophys. 24, 425 (1991).
[CrossRef] [PubMed]

Kim, J. Y.

J. Y. Kim, P. Palffy-Muhoray, J. Appl. Phys. 66, 362 (1989).
[CrossRef]

Leite, R.

R. Leite, S. Porto, T. Damen, Appl. Phys. Lett. 10, 100 (1967).
[CrossRef]

Lewis, A.

Nebenzahl, I.

Oesterhelt, D.

D. Oesterhelt, C. Branchle, N. Hampp, Q. Rev. Biophys. 24, 425 (1991).
[CrossRef] [PubMed]

Palffy-Muhoray, P.

J. Y. Kim, P. Palffy-Muhoray, J. Appl. Phys. 66, 362 (1989).
[CrossRef]

Porto, S.

R. Leite, S. Porto, T. Damen, Appl. Phys. Lett. 10, 100 (1967).
[CrossRef]

Said, A. A.

Savransky, V. V.

N. V. Tkachenko, V. V. Savransky, A. Yu. Sharonov, Eur. Biophys. J. 17, 131 (1989).
[CrossRef]

Sharonov, A. Yu.

N. V. Tkachenko, V. V. Savransky, A. Yu. Sharonov, Eur. Biophys. J. 17, 131 (1989).
[CrossRef]

Sheik-Bahae, M.

Soileau, M. J.

Takei, H.

Tian, J. G.

J. G. Tian, C. Zhang, G. Y. Zhang, Optik 10, 1 (1992).

Tkachenko, N. V.

N. V. Tkachenko, V. V. Savransky, A. Yu. Sharonov, Eur. Biophys. J. 17, 131 (1989).
[CrossRef]

Van Stryland, E. W.

Werner, O.

Wu, Y. Y.

Zhang, C.

J. G. Tian, C. Zhang, G. Y. Zhang, Optik 10, 1 (1992).

Zhang, C. F.

R. R. Birge, C. F. Zhang, J. Chem. Phys. 92, 7178 (1990).
[CrossRef]

Zhang, G. Y.

J. G. Tian, C. Zhang, G. Y. Zhang, Optik 10, 1 (1992).

Appl. Opt. (1)

Appl. Phys. Lett. (1)

R. Leite, S. Porto, T. Damen, Appl. Phys. Lett. 10, 100 (1967).
[CrossRef]

Biochim. Biophys. Acta (1)

R. R. Birge, Biochim. Biophys. Acta 106, 293 (1990).

Eur. Biophys. J. (1)

N. V. Tkachenko, V. V. Savransky, A. Yu. Sharonov, Eur. Biophys. J. 17, 131 (1989).
[CrossRef]

J. Appl. Phys. (1)

J. Y. Kim, P. Palffy-Muhoray, J. Appl. Phys. 66, 362 (1989).
[CrossRef]

J. Chem. Phys. (1)

R. R. Birge, C. F. Zhang, J. Chem. Phys. 92, 7178 (1990).
[CrossRef]

Opt. Lett. (4)

Optik (1)

J. G. Tian, C. Zhang, G. Y. Zhang, Optik 10, 1 (1992).

Q. Rev. Biophys. (1)

D. Oesterhelt, C. Branchle, N. Hampp, Q. Rev. Biophys. 24, 425 (1991).
[CrossRef] [PubMed]

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Figures (5)

Fig. 1
Fig. 1

Experimental setup for z-scan measurement. L, lens.

Fig. 2
Fig. 2

Position dispersion of bR film with the focal length of the lens being 20 cm: Curve a, λ = 632.8 nm; curve b, λ = 514.5 nm.

Fig. 3
Fig. 3

Optical-limiting behavior with the focal length of the lens being 10 cm: Curve a, λ = 632.8 nm; curve b, λ = 514.5 nm.

Fig. 4
Fig. 4

Transverse intensity profiles of transmitted beam for different illumination powers. Curves a, b, c, d, and e are for input powers of 27, 18.5, 16.4, 13.1, and 8.0 mW, respectively.

Fig. 5
Fig. 5

Absorption as a function of illumination power: (a) λ = 632.8 nm, (b) λ = 514.5 nm. Curve a, film far from back focal plane; curve b, film at z-scan valley position.

Tables (1)

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Table 1 Experimental Parameters and Results of n2 Measurement

Equations (2)

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Δ Φ 0 Δ p p - v f     for     Δ Φ 0 π ,
Δ Φ 0 = 2 π λ Δ n h e = 2 π λ n 2 I h e ,

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