Nonlinear propagation of picosecond tubular beams: self phase modulation and induced refraction

Alain Barthelemy; Claude Froehly; M. Shalaby

doi:10.1117/12.165602

5 January 1994 Nonlinear propagation of picosecond tubular beams: self phase modulation and induced refraction

Alain Barthelemy, Claude Froehly, M. Shalaby

Proceedings Volume 2041, Mode-locked and Other Ultrashort Laser Designs, Amplifiers, and Applications; (1994) https://doi.org/10.1117/12.165602
Event: Optics Quebec, 1993, Quebec City, Canada

Abstract

We report experimental results concerning the propagation at high intensity of Laguerre- Gaussian beams in a nonlinear Kerr medium. We show that such patterns are remarkably stable and allow the beam to transport several times the critical power for self focusing before critical breakdown. We study the influence of the azimuthal order of the beam on the spatial and temporal averaging of the nonlinear phase shifts.

Citation Download Citation

Alain Barthelemy, Claude Froehly, and M. Shalaby "Nonlinear propagation of picosecond tubular beams: self phase modulation and induced refraction", Proc. SPIE 2041, Mode-locked and Other Ultrashort Laser Designs, Amplifiers, and Applications, (5 January 1994); https://doi.org/10.1117/12.165602

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