Formation of self-trapping waveguides in bulk PMMA media doped with Phenanthrenequinone
- 4 February 2014
- journal article
- Published by Optica Publishing Group in Optics Express
- Vol. 22 (3), 3228-33
- https://doi.org/10.1364/oe.22.003228
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.Funding Information
- Deutsche Forschungsgemeinschaft (DFG) (MA5061/1-1)
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