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Photorefractive Self-Focusing of Continuous and Pulsed Light: Experiment, Theory, Simulation

Delphine Wolfersberger 1 Nicolas Fressengeas 1 Jean Maufoy 1 Godefroy Kugel 1
1 LMOPS - Laboratoire Matériaux Optiques, Photonique et Systèmes
Abstract : This paper presents a temporal investigation of the propagation of a single laser beam in a photorefractive medium, both in the continuous and pulsed regimes. A time resolved observation of one beam self-focusing in electrically biased Bi 12 TiO 20 (BTO) is reported for the two time scales. To interpret these experimental results, two (1+1) dimensional theoretical models of the propagation of one laser beam in a photorefractive crystal have been developed, numerically simulated using a BPM calculation and successfully compared to our experimental observations.
Keywords : Self-focusing Photorefractive Effect Temporal Behaviour
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https://hal-supelec.archives-ouvertes.fr/hal-00256714
Contributor : Sébastien van Luchene <>
Submitted on : Saturday, February 16, 2008 - 8:12:04 PM
Last modification on : Wednesday, February 26, 2020 - 4:08:10 PM

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SUP_OPTEL | SUPELEC | CENTRALESUPELEC | UNIV-LORRAINE | SUP_LMOPS | UNIV-PARIS-SACLAY | LMOPS-PHOTONIQUE

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Delphine Wolfersberger, Nicolas Fressengeas, Jean Maufoy, Godefroy Kugel. Photorefractive Self-Focusing of Continuous and Pulsed Light: Experiment, Theory, Simulation. Tenth International Meeting on Ferroelectricity (IMF-10), Sep 2001, Madrid, Spain. pp.341-346, ⟨10.1080/00150190211036⟩. ⟨hal-00256714⟩

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