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

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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.

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Acknowledgments

The financial support from Fundação para a Ciência e a Tecnologia (FCT), FEDER under contract PTDC/CTM/72093/2006 is gratefully acknowledged. CMSV acknowledges the FCT grant (SFRH/BD/41943/2007). A. G. Macedo from University of Aveiro is gratefully acknowledged for help in the AFM measurements.

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Authors and Affiliations

  1. Physics Department, University of Aveiro, 3810-193, Aveiro, Portugal

    C. M. S. Vicente, R. A. S. Ferreira, P. S. André & L. D. Carlos

  2. CICECO, University of Aveiro, 3810-193, Aveiro, Portugal

    C. M. S. Vicente, R. A. S. Ferreira & L. D. Carlos

  3. Instituto de Telecomunicações, University of Aveiro, 3810-193, Aveiro, Portugal

    C. M. S. Vicente, E. Pecoraro & P. S. André

Authors
  1. C. M. S. Vicente
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  2. R. A. S. Ferreira
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  3. E. Pecoraro
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  4. P. S. André
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  5. L. D. Carlos
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Correspondence to L. D. Carlos.

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Vicente, C.M.S., Ferreira, R.A.S., Pecoraro, E. et al. Optical filters and resonant cavities based on di-ureasil organic–inorganic hybrids. J Sol-Gel Sci Technol 59, 475–479 (2011). https://doi.org/10.1007/s10971-010-2254-1

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  • DOI: https://doi.org/10.1007/s10971-010-2254-1

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