Abstract

We propose a picosecond single-beam open Z-scan experiment in which the usual apertured detection scheme is replaced by a two-dimensional single-shot CCD camera. This enables us to extract the two-dimensional transverse modifications of the whole far-field pattern that are due to nonlinear refraction as well as to measure the induced nonlinear phase shift with increased sensitivity compared with that of the conventional Z scan.

© 1996 Optical Society of America

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References

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  1. M. Sheik-Bahae, A. A. Said, E. W. Van Stryland, Opt. Lett. 14, 955 (1989).
    [CrossRef] [PubMed]
  2. M. Sheik-Bahae, A. A. Said, T. H. Wei, D. J. Hagan, E. W. Van Stryland, IEEE J. Quantum Electron. 26, 760 (1990).
    [CrossRef]
  3. J. A. Hermann, P. B. Chapple, J. Mod. Opt. 38, 1035 (1991).
    [CrossRef]
  4. W. Zhao, P. Palffy-Muhoray, Appl. Phys. Lett. 63, 1613 (1993).
    [CrossRef]
  5. T. Xia, D. J. Hagan, M. Sheik-Bahae, E. W. Van Stryland, Opt. Lett. 19, 317 (1994).
    [CrossRef] [PubMed]
  6. O. A. Marcano, G. Da Costa, J. A. Castillo, Opt. Eng. 32, 1125 (1993).
    [CrossRef]
  7. O. A. Marcano, J. Castillo, Pure Appl. Opt. 3, 339 (1994).
    [CrossRef]

1994 (2)

1993 (2)

O. A. Marcano, G. Da Costa, J. A. Castillo, Opt. Eng. 32, 1125 (1993).
[CrossRef]

W. Zhao, P. Palffy-Muhoray, Appl. Phys. Lett. 63, 1613 (1993).
[CrossRef]

1991 (1)

J. A. Hermann, P. B. Chapple, J. Mod. Opt. 38, 1035 (1991).
[CrossRef]

1990 (1)

M. Sheik-Bahae, A. A. Said, T. H. Wei, D. J. Hagan, E. W. Van Stryland, IEEE J. Quantum Electron. 26, 760 (1990).
[CrossRef]

1989 (1)

A. Marcano, O.

O. A. Marcano, J. Castillo, Pure Appl. Opt. 3, 339 (1994).
[CrossRef]

O. A. Marcano, G. Da Costa, J. A. Castillo, Opt. Eng. 32, 1125 (1993).
[CrossRef]

Castillo, J.

O. A. Marcano, J. Castillo, Pure Appl. Opt. 3, 339 (1994).
[CrossRef]

Castillo, J. A.

O. A. Marcano, G. Da Costa, J. A. Castillo, Opt. Eng. 32, 1125 (1993).
[CrossRef]

Chapple, P. B.

J. A. Hermann, P. B. Chapple, J. Mod. Opt. 38, 1035 (1991).
[CrossRef]

Da Costa, G.

O. A. Marcano, G. Da Costa, J. A. Castillo, Opt. Eng. 32, 1125 (1993).
[CrossRef]

Hagan, D. J.

T. Xia, D. J. Hagan, M. Sheik-Bahae, E. W. Van Stryland, Opt. Lett. 19, 317 (1994).
[CrossRef] [PubMed]

M. Sheik-Bahae, A. A. Said, T. H. Wei, D. J. Hagan, E. W. Van Stryland, IEEE J. Quantum Electron. 26, 760 (1990).
[CrossRef]

Hermann, J. A.

J. A. Hermann, P. B. Chapple, J. Mod. Opt. 38, 1035 (1991).
[CrossRef]

Palffy-Muhoray, P.

W. Zhao, P. Palffy-Muhoray, Appl. Phys. Lett. 63, 1613 (1993).
[CrossRef]

Said, A. A.

M. Sheik-Bahae, A. A. Said, T. H. Wei, D. J. Hagan, E. W. Van Stryland, IEEE J. Quantum Electron. 26, 760 (1990).
[CrossRef]

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

Sheik-Bahae, M.

Van Stryland, E. W.

Wei, T. H.

M. Sheik-Bahae, A. A. Said, T. H. Wei, D. J. Hagan, E. W. Van Stryland, IEEE J. Quantum Electron. 26, 760 (1990).
[CrossRef]

Xia, T.

Zhao, W.

W. Zhao, P. Palffy-Muhoray, Appl. Phys. Lett. 63, 1613 (1993).
[CrossRef]

Appl. Phys. Lett. (1)

W. Zhao, P. Palffy-Muhoray, Appl. Phys. Lett. 63, 1613 (1993).
[CrossRef]

IEEE J. Quantum Electron. (1)

M. Sheik-Bahae, A. A. Said, T. H. Wei, D. J. Hagan, E. W. Van Stryland, IEEE J. Quantum Electron. 26, 760 (1990).
[CrossRef]

J. Mod. Opt. (1)

J. A. Hermann, P. B. Chapple, J. Mod. Opt. 38, 1035 (1991).
[CrossRef]

Opt. Eng. (1)

O. A. Marcano, G. Da Costa, J. A. Castillo, Opt. Eng. 32, 1125 (1993).
[CrossRef]

Opt. Lett. (2)

Pure Appl. Opt. (1)

O. A. Marcano, J. Castillo, Pure Appl. Opt. 3, 339 (1994).
[CrossRef]

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Figures (4)

Fig. 1
Fig. 1

Experimental setup: λ/2, half-wave plate; P, Glan polarizer; M’s, mirrors; B.S., beam-splitter; L1, L2, converging lenses; O.D., neutral-density filter.

Fig. 2
Fig. 2

Far-field acquistions by the CCD camera. Top left, reference far-field pattern; top right, signal far-field pattern; bottom left, first subtraction (d1 = Ref. – Signal); bottom right, second subtraction (d2 = Signal – Ref.).

Fig. 3
Fig. 3

(a) Evolution of d1 and d2 versus z during the Z scan. (b) Qualitative interpretation assuming an aberrationless transformation of the beam profile.

Fig. 4
Fig. 4

Experimental Z-scan-normalized data (left scale): stars, total signal S(z); crosses, apertured-Z-scan curve with linear transmittance equal to 0.035; dashed curve, energy E(z); solid curve (right scale), plot of 1/r2 versus z.

Equations (4)

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I i , j d 1 = Max ( 0 ; I i , j ref I i , j s ) ,
I i , j s = I i , j exp × E 0 ref E 0 exp .
I i , j d 2 = Max ( 0 ; I i , j s I i , j ref ) .
S ( z ) = i , j [ I i , j d 1 ( z ) + I i , j d 2 ( z ) ] i , j [ I i , j s ( z ) ] × i , j [ I i , j s ( z lin ) ] i , j [ I i , j d 1 ( z lin ) + I i , j d 2 ( z lin ) ] = i , j | I i , j s ( z ) I i , j ref | i , j [ I i , j s ( z ) ] i , j [ I i , j s ( z lin ) ] i , j | I i , j s ( z lin ) I i , j ref | .

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