Optical filters and resonant cavities based on di-ureasil organic-inorganic hybrids

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...

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Bibliographic Details
Main Author: Vicente, C. M. S. (author)
Other Authors: Ferreira, R. A. S. (author), Pecoraro, E. (author), Andre, P. S. (author), Carlos, L. D. (author)
Format: article
Language:eng
Published: 1000
Subjects:
Organic–inorganic hybrids
Integrated optics
Sol–gel
Waveguides
Fabry–Perot cavities
Optical filters
Online Access:http://hdl.handle.net/10773/7064
Country:Portugal
Oai:oai:ria.ua.pt:10773/7064
Description
Summary: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.

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