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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 15, Iss. 3 — Mar. 1, 1998
  • pp: 1168–1176

Cascading solution of the space-charge field problem in ac field biased photorefractive media

Per Michael Johansen, Henrik C. Pedersen, Thomas Garm Pedersen, and John Wyller  »View Author Affiliations

JOSA B, Vol. 15, Issue 3, pp. 1168-1176 (1998)

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A new cascading technique has been devised to yield solutions for the electric space-charge field that is induced in a photorefractive medium when a sinusoidal electric field and a running light interference pattern are imposed simultaneously. The cascading iteration technique offers rapid convergence to the exact solution. In addition, an advantage of the technique is that it can be used in situations when more than one frequency is present in the problem at hand. The results compare favorably with those of experiments after only a few cascading iterations, and a new low-frequency resonance is found in the space-charge field.

© 1998 Optical Society of America

OCIS Codes
(000.3860) General : Mathematical methods in physics
(160.5320) Materials : Photorefractive materials
(190.5330) Nonlinear optics : Photorefractive optics

Per Michael Johansen, Henrik C. Pedersen, Thomas Garm Pedersen, and John Wyller, "Cascading solution of the space-charge field problem in ac field biased photorefractive media," J. Opt. Soc. Am. B 15, 1168-1176 (1998)

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