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 Optical filters and resonant cavities based on di-ureasil organic-inorganic hybrids
Please use this identifier to cite or link to this item http://hdl.handle.net/10773/7064

title: Optical filters and resonant cavities based on di-ureasil organic-inorganic hybrids
authors: Vicente, C. M. S.
Ferreira, R. A. S.
Pecoraro, E.
Andre, P. S.
Carlos, L. D.
keywords: Organic–inorganic hybrids
Integrated optics
Fabry–Perot cavities
Optical filters
issue date: 2011
abstract: Sol-gel derived poly(oxyethylene)/siloxane organic-inorganic di-ureasil hybrids containing different amounts (20-60% mol) of methacrylic acid (McOH) modified zirconium oxo-clusters (Zr-OMc) were processed as thin films and transparent and shape controlled monoliths. Laser direct writing was used to create channel waveguides, Bragg gratings, Fabry-Perot cavities and optical filters. The resulting Fabry-Perot optical cavity displays a free spectral range of 16.55 GHz and a fringe intensity contrast of 5.35 dB. Optical rejection values between 6.7 and 10.4 dB were obtained by varying the amount of the Zr-OMc oxo-clusters.
URI: http://hdl.handle.net/10773/7064
ISSN: 0928-0707
publisher version/DOI: http://dx.doi.org/10.1007/s10971-010-2254-1
source: Journal of Sol-Gel Science and Technology
appears in collectionsFIS - Artigos

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