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Proceedings Paper

Inscription kinetics and thermal stability of Bragg gratings written within heated fibers
Author(s): Pascal Bernage; Thierry Taunay; B. Leconte; Marc Douay; Pierre Niay; Jean-Francois Bayon; H. Poignant; Francois Herlemont; J. Legrand; Bertrand Poumellec
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Paper Abstract

The writing of gratings within heated hydrogen loaded, non H2 loaded germanosilicate or Ce3+ doped aluminosilicate fibers was carried out through UV exposure. The fibers were heated by means of a CO2 laser beam. The thermally induced change in the grating growth kinetics depends on the type of fiber used to write the grating. The thermal stability of gratings written in either heated or unheated germanosilicate fibers was investigated through isochronal annealing experiments. Difference between the thermal behaviors of gratings written in the H2 loaded and the non H2 loaded fibers was demonstrated. There exists strong evidence that structural changes are involved in the photosensitivity of the germanosilicate fibers.

Paper Details

Date Published: 20 November 1996
PDF: 14 pages
Proc. SPIE 2841, Doped Fiber Devices, (20 November 1996); doi: 10.1117/12.258962
Show Author Affiliations
Pascal Bernage, Univ. des Sciences et Technologies de Lille (France)
Thierry Taunay, Univ. des Sciences et Technologies de Lille (France)
B. Leconte, Univ. des Sciences et Technologies de Lille (France)
Marc Douay, Univ. des Sciences et Technologies de Lille (France)
Pierre Niay, Univ. des Sciences et Technologies de Lille (France)
Jean-Francois Bayon, France Telecom CNET-Lannion (France)
H. Poignant, France Telecom CNET-Lannion (France)
Francois Herlemont, Univ. des Sciences et Technologies de Lille (France)
J. Legrand, Univ. des Sciences et Technologies de Lille (France)
Bertrand Poumellec, Univ. de Paris-Sud (France)


Published in SPIE Proceedings Vol. 2841:
Doped Fiber Devices
Michel J. F. Digonnet; Francois Ouellette, Editor(s)

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