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30 May 2016Characterization of long-term stability of PDMS-based chemo-optical transducer driving distributed fiber optic sensor of ammonia gas
Long-term chemical stability of organometallic reagents incorporated into polydimethylsiloxane matrix of polymer-clad
optical fibres by soaking method is investigated by means of VIS/NIR absorption spectroscopy, proton-induced X-ray
emission and electron paramagnetic resonance spectroscopy. Based on the obtained experimental results, a modified
procedure of sensing coatings preparation is proposed leading to significantly reduced decay of optical properties with
time and allowing thus fabrication of practically applicable long sensing fibres.
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Jan Aubrecht, Ladislav Kalvoda, Jaroslava Fojtikova, "Characterization of long-term stability of PDMS-based chemo-optical transducer driving distributed fiber optic sensor of ammonia gas," Proc. SPIE 9916, Sixth European Workshop on Optical Fibre Sensors, 99160X (30 May 2016); https://doi.org/10.1117/12.2236706