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|title: ||Optical filters and resonant cavities based on di-ureasil organic-inorganic hybrids|
|authors: ||Vicente, C. M. S.|
Ferreira, R. A. S.
Andre, P. S.
Carlos, L. D.
|keywords: ||Organic–inorganic hybrids|
|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.|
|publisher version/DOI: ||http://dx.doi.org/10.1007/s10971-010-2254-1|
|source: ||Journal of Sol-Gel Science and Technology|
|appears in collections||FIS - Artigos|
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