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DOI QR Code

Retro-self-focusing and pinholing effect in a refractive index grating

  • Lee, Jae-Cheul (Elevtro-Optics Team, Center for Dual Technology, Institute for Advanced Engineering)
  • Received : 1997.02.03
  • Published : 1997.03.01

Abstract

In this paper we will show theoretically that a refractive index grating exhibits a retro-self-focusing effect and an accompanying pinholing effect under the Gaussian intensity distribution of an incident optical field. Those effects result from an effective wave number change of the medium due to the intense optical field.

Keywords

References

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  2. H. G. Winful, J. H. Marburger, and E. Garmire, 'Theory of Bistability in Nonlinear Distributed Feedback Struc-tures,' Appl. Phys. Lett. 35, 379-381 (1979) https://doi.org/10.1063/1.91131