Abstract

Optical limitation in resonant Faraday media sandwiched between crossed polarizers is analyzed both theoretically and experimentally. In this technique resonant Faraday rotation permits a net transmission at low intensity levels, whereas the setup transmission is quenched at higher intensities when the active transition is completely saturated. This technique offers many advantages, such as a very low fluence threshold (12 nJ/cm2 in cesium vapor), a high intensity range (more than 4 orders of magnitude for polarizer losses of 10-5), and quasi invulnerability to optical damage, which make this technique attractive for the protection of fixed-wavelength operated detectors.

© 2000 Optical Society of America

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References

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  1. See, for example, R. Crane, K. Lewis, E. W. Van Stryland, and M. Khoshnevisan, eds., Mater. Res. Soc. Symp. Proc. 374, (1995).
  2. B. L. Justus, A. L. Huston, and A. J. Camillo, Appl. Phys. Lett. 63, 1483 (1993).
    [CrossRef]
  3. K. Mansour, E. W. Van Stryland, and M. J. Soileau, Proc. SPIE 1105, 91 (1989).
    [CrossRef]

1995

See, for example, R. Crane, K. Lewis, E. W. Van Stryland, and M. Khoshnevisan, eds., Mater. Res. Soc. Symp. Proc. 374, (1995).

1993

B. L. Justus, A. L. Huston, and A. J. Camillo, Appl. Phys. Lett. 63, 1483 (1993).
[CrossRef]

1989

K. Mansour, E. W. Van Stryland, and M. J. Soileau, Proc. SPIE 1105, 91 (1989).
[CrossRef]

Camillo, A. J.

B. L. Justus, A. L. Huston, and A. J. Camillo, Appl. Phys. Lett. 63, 1483 (1993).
[CrossRef]

Huston, A. L.

B. L. Justus, A. L. Huston, and A. J. Camillo, Appl. Phys. Lett. 63, 1483 (1993).
[CrossRef]

Justus, B. L.

B. L. Justus, A. L. Huston, and A. J. Camillo, Appl. Phys. Lett. 63, 1483 (1993).
[CrossRef]

Mansour, K.

K. Mansour, E. W. Van Stryland, and M. J. Soileau, Proc. SPIE 1105, 91 (1989).
[CrossRef]

Soileau, M. J.

K. Mansour, E. W. Van Stryland, and M. J. Soileau, Proc. SPIE 1105, 91 (1989).
[CrossRef]

Van Stryland, E. W.

K. Mansour, E. W. Van Stryland, and M. J. Soileau, Proc. SPIE 1105, 91 (1989).
[CrossRef]

Appl. Phys. Lett.

B. L. Justus, A. L. Huston, and A. J. Camillo, Appl. Phys. Lett. 63, 1483 (1993).
[CrossRef]

Mater. Res. Soc. Symp. Proc.

See, for example, R. Crane, K. Lewis, E. W. Van Stryland, and M. Khoshnevisan, eds., Mater. Res. Soc. Symp. Proc. 374, (1995).

Proc. SPIE

K. Mansour, E. W. Van Stryland, and M. J. Soileau, Proc. SPIE 1105, 91 (1989).
[CrossRef]

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Figures (4)

Fig. 1
Fig. 1

Crossed polarization transmission versus normalized detuning Δ to the transition resonance for various normalized intensities I and for polarizer losses T.

Fig. 2
Fig. 2

Normalized transmitted intensity for crossed IC and parallel IP polarizations as a function of the normalized incident intensity.

Fig. 3
Fig. 3

Experimental setup for optical limitation in resonant Faraday media.

Fig. 4
Fig. 4

Transmitted power in the case of nonresonant and resonant laser excitations as a function of the incident power. Dotted straight lines, linear transmissions with values given in the figure.

Equations (1)

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dA±dz=-α01-iΔ±21+Δ±2+I±A±,

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