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Title: Multi-objective genetic algorithm applied to spectroscopic ellipsometry of organic-inorganic hybrid planar waveguides
Author: Fernandes, Vasco R.
Vicente, Carlos
Wada, Naoya
Andre, Paulo
Ferreira, Maria R.
Keywords: Ellipsometry and polarimetry
Thin films
Issue Date: 2010
Publisher: Optical Society of America
Abstract: The applicably of multi-objective optimization to ellipsometric data analysis is presented and a method to handle complex ellipsometric problems such as multi sample or multi angle analysis using multi-objective optimization is described. The performance of a multi-objective genetic algorithm (MOGA) is tested against a single objective common genetic algorithm (CGA). The procedure is applied to the characterization (refractive index and thickness) of planar waveguides intended for the production of optical components prepared sol-gel derived organic-inorganic hybrids, so-called di-ureasils, modified with zirconium tetrapropoxide, Zr(OPr(n))(4) deposited on silica on silicon substrates. The results show that for the same initial conditions, MOGA performs better than the CGA, showing a higher success rate in the task of finding the best final solution. (C) 2010 Optical Society of America
Peer review: yes
ISSN: 1094-4087
Appears in Collections:DFis - Artigos

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