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Please use this identifier to cite or link to this item: http://elib.bsu.by/handle/123456789/211871
Title: Formation of self-trapping waveguides in bulk PMMA media doped with Phenanthrenequinone
Authors: Tolstik, E.
Romanov, O.
Matusevich, V.
Tolstik, A.
Kowarschik, R.
Keywords: ЭБ БГУ::ЕСТЕСТВЕННЫЕ И ТОЧНЫЕ НАУКИ::Физика
Issue Date: Feb-2014
Publisher: OSA
Citation: OPTICS EXPRESS 2014 Vol. 22, No. 3
Abstract: Experimental and theoretical investigations of light self-trapping waveguides in a bulk polymeric medium based on polymethylmethacrylate (PMMA) with photosensitive phenanthrenequinone (PQ)-molecules are examined. Self-channeling was generated for the first time in this nonlinear bulk PQ-PMMA media with a thickness up to several millimeters and 0.1 mol. % PQ-concentration. The experimental formation of volume waveguide structures with a length of 2 - 3 cm at different laser wavelengths (405 nm, 488 nm, and 514.5 nm) was demonstrated. The calculations based on a model for the laser beam propagation in the bulk PQ-PMMA medium with competitive nonlinearities are in a good agreement with the experiments.
URI: http://elib.bsu.by/handle/123456789/211871
Appears in Collections:Кафедра лазерной физики и спектроскопии

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