Porous glasses for optical sensors

Dominik Dorosz; Bernadeta Procyk

doi:10.1117/12.675104

26 April 2006 Porous glasses for optical sensors

Dominik Dorosz, Bernadeta Procyk

Proceedings Volume 6159, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments IV; 615923 (2006) https://doi.org/10.1117/12.675104
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments IV, 2005, Wilga, Poland

Abstract

Microporous glasses from the Na₂O-B₂O₃-SiO₂ system can be obtained by appropriate thermal and chemical treatment. During the thermal treatment the separation of the borate phase from the silicon skeleton has been occurred. The borates are in the form small drops joined to each other. In the course of chemical treatment the borates become leached in water, water solutions of acids or basis and the glass becomes porous. Microporous glasses may find application in many branches of science and engineering. The applications depend on the internal arrangement, size and shape of pores. These parameters may be in a wide range modified by a change of the chemical composition. The received porous glass was used as an element in optical fibre NO₂ sensor. The specific coloration reaction between organic reagents and NO₂ in the pores was occurred. It is possible to detection of 10-50 ppm NO₂ level.

Citation Download Citation

Dominik Dorosz and Bernadeta Procyk "Porous glasses for optical sensors", Proc. SPIE 6159, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments IV, 615923 (26 April 2006); https://doi.org/10.1117/12.675104

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