UV-induced reaction of H2 with the core of germanosilicate and aluminosilicate fiber preforms


Dalle, C., Cordier, P., Depecker, C., Bernage, P., Douay, M., Niay, P., Bayon, J.F. and Dong, L. (1997) UV-induced reaction of H2 with the core of germanosilicate and aluminosilicate fiber preforms. In, Bragg Gratings: Poling and Photosensitivity (BGPP) , Williamsburg, US, 26 - 28 Oct 1997.

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Description/Abstract

The photosensitivity of glasses can be significantly enhanced by high- pressure low-temperature hydrogen loading prior to UV exposure. The chemical reactions that occur between hydrogen and glass under UV exposure are thus of primary importance for the understanding of the mechanisms of H2 photosensitivity enhancement. We have used infrared spectroscopy to characterize the microstructural modifications in Hz-loaded optical fiber preform cores exposed to UV laser light. Infrared spectroscopy in the 3µm range is very well adapted to such a characterization because it is highly sensitive to hydroxyl groups.

Item Type: Conference or Workshop Item (Paper)
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Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 76713
Date Deposited: 11 Mar 2010
Last Modified: 27 Mar 2014 18:56
URI: http://eprints.soton.ac.uk/id/eprint/76713

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