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Proceedings Paper

Optical characterization of anti reflective sol-gel coatings fabricated using dip coating method
Author(s): A. Melninkaitis; K. Juškevičius; M. Maciulevičius; V. Sirutkaitis; A. Beganskienė; I. Kazadojev; A. Kareiva; D. Perednis
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Paper Abstract

In recent years, there has been a growing interest in further development of sol-gel method which can produce ceramics and glasses using chemical precursors at relative low-temperatures. The applications for sol-gel derived products are numerous. Department of General and Inorganic Chemistry with Laser Research Center of Vilnius University and Institute of Physics continues an ongoing research effort on the synthesis, deposition and characterization of porous solgel. Our target is highly optically resistant anti-reflective (AR) coatings for general optics and nonlinear optical crystals. In order to produce AR coatings a silica (SiO2) sol-gel has been dip coated on the set of fused silica substrates. The optical properties and structure of AR-coatings deposited from hydrolysed tetraethylorthosilicate (TEOS) sol were characterized in detail in this study. The influence of different parameters on the formation of colloidal silica antireflective coatings by dip-coating technique has been investigated. All samples were characterized performing, transmission electron microscopy, UV-visible spectroscopy, atomic force microscopy, ellipsometric, total scattering and laser-induced damage threshold measurements. Herewith we present our recent results on synthesis of sol-gel solvents, coating fabrication and characterization of their optical properties.

Paper Details

Date Published: 15 January 2007
PDF: 8 pages
Proc. SPIE 6403, Laser-Induced Damage in Optical Materials: 2006, 64031C (15 January 2007); doi: 10.1117/12.696270
Show Author Affiliations
A. Melninkaitis, Vilnius Univ. (Lithuania)
K. Juškevičius, Vilnius Univ. (Lithuania)
M. Maciulevičius, Vilnius Univ. (Lithuania)
V. Sirutkaitis, Vilnius Univ. (Lithuania)
A. Beganskienė, Vilnius Univ. (Lithuania)
I. Kazadojev, Vilnius Univ. (Lithuania)
A. Kareiva, Vilnius Univ. (Lithuania)
D. Perednis, Institute of Physics (Lithuania)

Published in SPIE Proceedings Vol. 6403:
Laser-Induced Damage in Optical Materials: 2006
Gregory J. Exarhos; Arthur H. Guenther; Keith L. Lewis; Detlev Ristau; M. J. Soileau; Christopher J. Stolz, Editor(s)

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