Characterization of long-term stability of PDMS-based chemo-optical transducer driving distributed fiber optic sensor of ammonia gas

Jan Aubrecht; Ladislav Kalvoda; Jaroslava Fojtikova

doi:10.1117/12.2236706

30 May 2016 Characterization of long-term stability of PDMS-based chemo-optical transducer driving distributed fiber optic sensor of ammonia gas

Jan Aubrecht, Ladislav Kalvoda, Jaroslava Fojtikova

Author Affiliations +

Proceedings Volume 9916, Sixth European Workshop on Optical Fibre Sensors; 99160X (2016) https://doi.org/10.1117/12.2236706
Event: Sixth European Workshop on Optical Fibre Sensors (EWOFS'2016), 2016, Limerick, Ireland

Abstract

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.

Citation Download Citation

Jan Aubrecht, Ladislav Kalvoda, and 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

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