Optical limiting using Laguerre-Gaussian beams

Details Optical limiting using Laguerre-Gaussian beams Optical limiting using Laguerre-Gaussian beams

2007-09-27

arxiv.org/abs/0709.4289v2

APPLIED PHYSICS LETTERS 91, 201110 (2007)

Physics

Optics

3 pages, 4 figures

Scientific paper

10.1063/1.2754363

We demonstrate optical limiting using the self-lensing effect of a higher-order Laguerre-Gaussian beam in a thin dye-doped polymer sample, which we find is consistent with our model using Gaussian decomposition. The peak phase shift in the sample required for limiting is smaller than for a fundamental Gaussian beam with the added flexibility that the nonlinear medium can be placed either in front of or behind the beam focus.

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