Abstract

We demonstrate a novel time-delayed method that employs the partially coherent properties of pump beams to distinguish molecular-reorientation gratings from thermal gratings. An extension of this method to the case of population grating is pointed out.

© 1988 Optical Society of America

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References

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  1. Y. R. Shen, The Principles of Nonlinear Optics (Wiley, New York, 1984).
  2. G. Martin, R. W. Hellwarth, Appl. Phys. Lett. 34, 371 (1979).
    [CrossRef]
  3. D. von der Linde, in “Ultrashort Light Pulses, Picosecond Techniques and Applications,” S. L. Shapiro, ed. (Springer-Verlag, Berlin, 1977).
  4. L. A. Rahn, R. L. Farrow, R. P. Lucht, Opt. Lett. 9, 223 (1984).
    [CrossRef] [PubMed]
  5. R. L. Farrow, L. A. Rahn, J. Opt. Soc. Am. B 2, 903 (1985).
    [CrossRef]
  6. G. S. Agarwal, R. L. Farrow, J. Opt. Soc. Am. B 4, 1965 (1986).
  7. P. Fu, Z. Yu, X. Mi, P. Ye, “Fourth-order coherence-function theory of laser-induced molecular reorientational grating and population grating,” J. Phys. (Paris) (to be published).
  8. R. Trebino, E. K. Gustafson, A. E. Siegman, J. Opt. Soc. Am. B 3, 554 (1986).
    [CrossRef]
  9. Z. Yu, H. Lu, P. Ye, P. Fu, Opt. Commun. 61, 287 (1987).
    [CrossRef]
  10. J. J. Song, M. D. Levenson, J. Appl. Phys. 48, 3496 (1977).
    [CrossRef]
  11. R. G. Caro, M. C. Gower, Appl. Phys. Lett. 39, 855 (1981).
    [CrossRef]

1987 (1)

Z. Yu, H. Lu, P. Ye, P. Fu, Opt. Commun. 61, 287 (1987).
[CrossRef]

1986 (2)

G. S. Agarwal, R. L. Farrow, J. Opt. Soc. Am. B 4, 1965 (1986).

R. Trebino, E. K. Gustafson, A. E. Siegman, J. Opt. Soc. Am. B 3, 554 (1986).
[CrossRef]

1985 (1)

1984 (1)

1981 (1)

R. G. Caro, M. C. Gower, Appl. Phys. Lett. 39, 855 (1981).
[CrossRef]

1979 (1)

G. Martin, R. W. Hellwarth, Appl. Phys. Lett. 34, 371 (1979).
[CrossRef]

1977 (1)

J. J. Song, M. D. Levenson, J. Appl. Phys. 48, 3496 (1977).
[CrossRef]

Agarwal, G. S.

G. S. Agarwal, R. L. Farrow, J. Opt. Soc. Am. B 4, 1965 (1986).

Caro, R. G.

R. G. Caro, M. C. Gower, Appl. Phys. Lett. 39, 855 (1981).
[CrossRef]

Farrow, R. L.

Fu, P.

Z. Yu, H. Lu, P. Ye, P. Fu, Opt. Commun. 61, 287 (1987).
[CrossRef]

P. Fu, Z. Yu, X. Mi, P. Ye, “Fourth-order coherence-function theory of laser-induced molecular reorientational grating and population grating,” J. Phys. (Paris) (to be published).

Gower, M. C.

R. G. Caro, M. C. Gower, Appl. Phys. Lett. 39, 855 (1981).
[CrossRef]

Gustafson, E. K.

Hellwarth, R. W.

G. Martin, R. W. Hellwarth, Appl. Phys. Lett. 34, 371 (1979).
[CrossRef]

Levenson, M. D.

J. J. Song, M. D. Levenson, J. Appl. Phys. 48, 3496 (1977).
[CrossRef]

Lu, H.

Z. Yu, H. Lu, P. Ye, P. Fu, Opt. Commun. 61, 287 (1987).
[CrossRef]

Lucht, R. P.

Martin, G.

G. Martin, R. W. Hellwarth, Appl. Phys. Lett. 34, 371 (1979).
[CrossRef]

Mi, X.

P. Fu, Z. Yu, X. Mi, P. Ye, “Fourth-order coherence-function theory of laser-induced molecular reorientational grating and population grating,” J. Phys. (Paris) (to be published).

Rahn, L. A.

Shen, Y. R.

Y. R. Shen, The Principles of Nonlinear Optics (Wiley, New York, 1984).

Siegman, A. E.

Song, J. J.

J. J. Song, M. D. Levenson, J. Appl. Phys. 48, 3496 (1977).
[CrossRef]

Trebino, R.

von der Linde, D.

D. von der Linde, in “Ultrashort Light Pulses, Picosecond Techniques and Applications,” S. L. Shapiro, ed. (Springer-Verlag, Berlin, 1977).

Ye, P.

Z. Yu, H. Lu, P. Ye, P. Fu, Opt. Commun. 61, 287 (1987).
[CrossRef]

P. Fu, Z. Yu, X. Mi, P. Ye, “Fourth-order coherence-function theory of laser-induced molecular reorientational grating and population grating,” J. Phys. (Paris) (to be published).

Yu, Z.

Z. Yu, H. Lu, P. Ye, P. Fu, Opt. Commun. 61, 287 (1987).
[CrossRef]

P. Fu, Z. Yu, X. Mi, P. Ye, “Fourth-order coherence-function theory of laser-induced molecular reorientational grating and population grating,” J. Phys. (Paris) (to be published).

Appl. Phys. Lett. (2)

G. Martin, R. W. Hellwarth, Appl. Phys. Lett. 34, 371 (1979).
[CrossRef]

R. G. Caro, M. C. Gower, Appl. Phys. Lett. 39, 855 (1981).
[CrossRef]

J. Appl. Phys. (1)

J. J. Song, M. D. Levenson, J. Appl. Phys. 48, 3496 (1977).
[CrossRef]

J. Opt. Soc. Am. B (3)

Opt. Commun. (1)

Z. Yu, H. Lu, P. Ye, P. Fu, Opt. Commun. 61, 287 (1987).
[CrossRef]

Opt. Lett. (1)

Other (3)

P. Fu, Z. Yu, X. Mi, P. Ye, “Fourth-order coherence-function theory of laser-induced molecular reorientational grating and population grating,” J. Phys. (Paris) (to be published).

D. von der Linde, in “Ultrashort Light Pulses, Picosecond Techniques and Applications,” S. L. Shapiro, ed. (Springer-Verlag, Berlin, 1977).

Y. R. Shen, The Principles of Nonlinear Optics (Wiley, New York, 1984).

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Figures (3)

Fig. 1
Fig. 1

RENFWM spectrum for case (i): E(1)ŷ, E ( 2 ) x ˆ, E ( 3 ) x ˆ, E(s)ŷ. The relative time delay between the two pump beams is (a) τ = 0 psec; (b) τ = 400 psec. Points, experimental results; solid line, theoretical curve with Λ = 0.2.

Fig. 2
Fig. 2

RENFWM spectrum for case (ii): E ( 1 ) E ( 2 ) E ( 3 ) E ( s ) x ˆ. The relative time delay between the two pump beams is (a) τ = 0 psec; (b) τ = 200 psec; (c) τ = 400 psec. Points, experimental results; solid line, theoretical curve with (a) Λ = 1.7; (b) Λ = 0.71; (c) Λ = 0.56.

Fig. 3
Fig. 3

Λ versus relative time delay between the two pump beams. The solid line is a guide for the eye.

Equations (2)

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x = x NR + α ω R ( ω 3 ω 1 ) + i Γ ,
I 1 + | α / x N R ω R ( ω 3 ω 1 ) + i Γ | 2 .

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