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Effect of Sol-Gel Modifications on Characteristics of Silica Spherical Microresonators

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    0374368 - ÚFE 2012 US eng J - Journal Article
    Matějec, Vlastimil - Jelínek, M. - Todorov, Filip - Chomát, Miroslav - Kubeček, V. - Berková, Daniela - Martan, Tomáš
    Effect of Sol-Gel Modifications on Characteristics of Silica Spherical Microresonators.
    Sensor Letters. Roč. 9, č. 6 (2011), s. 2265-2267. ISSN 1546-198X.
    [MADICA 2010. Tabarka, 20.10.2010-22.10.2010]
    R&D Projects: GA ČR GA102/09/1763
    Institutional research plan: CEZ:AV0Z20670512
    Keywords : optical microresonator * porous layer * sensing
    Subject RIV: JB - Sensors, Measurment, Regulation
    Impact factor: 0.819, year: 2011

    The paper deals with the preparation and characterisation of whispering-galery-mode (WGM) spherical microresonators modified by thin xerogel layers. Microspheres with diameters around 330 micrometer have been prepared. The microspheres were modified by a thin silica xerogel layer using tetraethoxysilane-based sol. Resonance spectra of the microspheres were measured when WGMs were excited by a fiber taper. Q factors of the microspheres ranging from 10^4–10^6 have been determined from the resonance spectra.
    Permanent Link: http://hdl.handle.net/11104/0207306

     
     
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