Abstract

Self-focusing and self-trapping of light in common liquid media such as Chinese tea, Chinese herbal medicine, and solutions of chlorophyll have been observed. These materials are found to be new types of natural Kerr media, and their nonlinear coefficients have been determined. Laser-heating-induced self-phase modulation in these materials has also been observed.

© 1989 Optical Society of America

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References

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  1. P. W. Smith, A. Ashkin, W. J. Tomlinson, Opt. Lett. 6, 284 (1981);A. Ashkin, J. M. Dziedzic, P. D. Smith, Opt. Lett. 7, 276 (1982).
    [CrossRef] [PubMed]
  2. S. A. Akhmanov, R. V. Khokhlov, A. P. Sukhorukov, in Laser Handbook, F. T. Arecchi, E. O. Schulz-Dubois, ed. (North-Holland, Amsterdam, 1972), Vol. 2, Pt. E3.
  3. S. D. Durbin, S. M. Arakelian, Y. R. Shen, Opt Lett. 6, 411 (1981);P.-Y. Wang, H.-J. Zhang, J.-H. Dai, Opt. Lett. 13, 479 (1988).
    [CrossRef] [PubMed]
  4. J. H. Marburger, Prog. Quantum Electron. 4, 35 (1975).
    [CrossRef]
  5. A. Ashkin, Science 210, 1081 (1980).
    [CrossRef] [PubMed]
  6. G. A. Askaryan, Sov. Phys. JETP 15, 1088 (1962).

1981 (2)

P. W. Smith, A. Ashkin, W. J. Tomlinson, Opt. Lett. 6, 284 (1981);A. Ashkin, J. M. Dziedzic, P. D. Smith, Opt. Lett. 7, 276 (1982).
[CrossRef] [PubMed]

S. D. Durbin, S. M. Arakelian, Y. R. Shen, Opt Lett. 6, 411 (1981);P.-Y. Wang, H.-J. Zhang, J.-H. Dai, Opt. Lett. 13, 479 (1988).
[CrossRef] [PubMed]

1980 (1)

A. Ashkin, Science 210, 1081 (1980).
[CrossRef] [PubMed]

1975 (1)

J. H. Marburger, Prog. Quantum Electron. 4, 35 (1975).
[CrossRef]

1962 (1)

G. A. Askaryan, Sov. Phys. JETP 15, 1088 (1962).

Akhmanov, S. A.

S. A. Akhmanov, R. V. Khokhlov, A. P. Sukhorukov, in Laser Handbook, F. T. Arecchi, E. O. Schulz-Dubois, ed. (North-Holland, Amsterdam, 1972), Vol. 2, Pt. E3.

Arakelian, S. M.

S. D. Durbin, S. M. Arakelian, Y. R. Shen, Opt Lett. 6, 411 (1981);P.-Y. Wang, H.-J. Zhang, J.-H. Dai, Opt. Lett. 13, 479 (1988).
[CrossRef] [PubMed]

Ashkin, A.

Askaryan, G. A.

G. A. Askaryan, Sov. Phys. JETP 15, 1088 (1962).

Durbin, S. D.

S. D. Durbin, S. M. Arakelian, Y. R. Shen, Opt Lett. 6, 411 (1981);P.-Y. Wang, H.-J. Zhang, J.-H. Dai, Opt. Lett. 13, 479 (1988).
[CrossRef] [PubMed]

Khokhlov, R. V.

S. A. Akhmanov, R. V. Khokhlov, A. P. Sukhorukov, in Laser Handbook, F. T. Arecchi, E. O. Schulz-Dubois, ed. (North-Holland, Amsterdam, 1972), Vol. 2, Pt. E3.

Marburger, J. H.

J. H. Marburger, Prog. Quantum Electron. 4, 35 (1975).
[CrossRef]

Shen, Y. R.

S. D. Durbin, S. M. Arakelian, Y. R. Shen, Opt Lett. 6, 411 (1981);P.-Y. Wang, H.-J. Zhang, J.-H. Dai, Opt. Lett. 13, 479 (1988).
[CrossRef] [PubMed]

Smith, P. W.

Sukhorukov, A. P.

S. A. Akhmanov, R. V. Khokhlov, A. P. Sukhorukov, in Laser Handbook, F. T. Arecchi, E. O. Schulz-Dubois, ed. (North-Holland, Amsterdam, 1972), Vol. 2, Pt. E3.

Tomlinson, W. J.

Opt Lett. (1)

S. D. Durbin, S. M. Arakelian, Y. R. Shen, Opt Lett. 6, 411 (1981);P.-Y. Wang, H.-J. Zhang, J.-H. Dai, Opt. Lett. 13, 479 (1988).
[CrossRef] [PubMed]

Opt. Lett. (1)

Prog. Quantum Electron. (1)

J. H. Marburger, Prog. Quantum Electron. 4, 35 (1975).
[CrossRef]

Science (1)

A. Ashkin, Science 210, 1081 (1980).
[CrossRef] [PubMed]

Sov. Phys. JETP (1)

G. A. Askaryan, Sov. Phys. JETP 15, 1088 (1962).

Other (1)

S. A. Akhmanov, R. V. Khokhlov, A. P. Sukhorukov, in Laser Handbook, F. T. Arecchi, E. O. Schulz-Dubois, ed. (North-Holland, Amsterdam, 1972), Vol. 2, Pt. E3.

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Figures (4)

Fig. 1
Fig. 1

Diagram of the experimental setup. NLM, the nonlinear medium.

Fig. 2
Fig. 2

Beam patterns at the screen. (a) The original laser beam without self-focusing, 5.07 mm in diameter; (b) the self-trapped laser beam, 0.67 mm in diameter.

Fig. 3
Fig. 3

Typical ring pattern of self-phase modulation at the screen.

Fig. 4
Fig. 4

Beam pattern of self-defocusing due to laser heating.

Equations (1)

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P c = 1.86 C λ 2 / 16 π 2 n 2 ,

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