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

UV-induced reaction of H2 with the core of germanosilicate and aluminosilicate fiber preforms
UV-induced reaction of H2 with the core of germanosilicate and aluminosilicate fiber preforms
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 H2-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.
Dalle, C.
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Cordier, P.
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Depecker, C.
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Bernage, P.
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Douay, M.
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Niay, P.
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Bayon, J.F.
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Dong, L.
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Dalle, C.
4d3a911d-1965-46f5-ab5c-04fc61849916
Cordier, P.
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Depecker, C.
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Bernage, P.
a4563602-a9fe-4568-8091-83515ef30381
Douay, M.
d75552e1-c8c1-4593-9715-8f56cf8f9e14
Niay, P.
f64f7917-2ea5-4572-bd07-ca442803e602
Bayon, J.F.
a9c6c830-18a5-45ac-9075-5d5fe3f5d9e0
Dong, L.
4a30a247-d676-42ef-aaf4-061579d6d64e

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. Bragg Gratings: Poling and Photosensitivity (BGPP), Williamsburg, United States. 26 - 28 Oct 1997.

Record type: Conference or Workshop Item (Paper)

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 H2-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.

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Published date: 1997
Venue - Dates: Bragg Gratings: Poling and Photosensitivity (BGPP), Williamsburg, United States, 1997-10-26 - 1997-10-28

Identifiers

Local EPrints ID: 76713
URI: http://eprints.soton.ac.uk/id/eprint/76713
PURE UUID: 7c423f6b-0a20-4822-8e7c-6f438a017414

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Date deposited: 11 Mar 2010
Last modified: 13 Mar 2024 23:34

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Contributors

Author: C. Dalle
Author: P. Cordier
Author: C. Depecker
Author: P. Bernage
Author: M. Douay
Author: P. Niay
Author: J.F. Bayon
Author: L. Dong

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