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Temperature, H2 loading and ultra violet irradiation effects in germanosilicate optical fibers: laser spectroscopy measurements |
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| Authors: | Heru Kuswanto Franois Goutaland Abdennacer Yahya Aziz Boukenter Youcef Ouerdane |
| Institution: | Laboratoire Traitement du Signal et Instrumentation, UMR CNRS 5516, 23 rue du Dr. Paul Michelon, 42023 Saint-Etienne cedex 2, France |
| Abstract: | The effects of heat-treatment and ultraviolet (UV) light at 325 nm on virgin and hydrogen loaded germanosilicate optical fibers have been investigated by using laser spectroscopy technique. The luminescence band around 650 nm is sensitive to heat treatment. The hydrogen reloading of the hydrogen loaded fibers subsequent to heat treatment showed a new emission band around 570 nm. The irradiated fibers have an emission band around 383 nm which was not detected in hydrogen loaded fibers. |
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