Experimental self-focusing of a single laser pulse in photorefractive Bi12TiO20

Delphine Wolfersberger 1 Nicolas Fressengeas 1 Jean Maufoy 1 Godefroy Kugel 1
1 LMOPS - Laboratoire Matériaux Optiques, Photonique et Systèmes
Abstract : A single 5 ns laser pulse is experimentally shown to self-focus in electrically biased Bi12TiO20. Systematic measurements have been conducted in order to characterize the physics of fast photorefractive self-focusing. The influence of the externally applied electric field, the incident energy density, the input beam waist and polarization state are reported.
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Submitted on : Saturday, February 16, 2008 - 2:24:32 PM
Last modification on : Thursday, April 5, 2018 - 12:30:20 PM

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Delphine Wolfersberger, Nicolas Fressengeas, Jean Maufoy, Godefroy Kugel. Experimental self-focusing of a single laser pulse in photorefractive Bi12TiO20. Journal of Applied Physics, American Institute of Physics, 2001, 89 (5), pp.2511-2515. ⟨10.1063/1.1341207⟩. ⟨hal-00256673⟩

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