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Proceedings Paper

Photobleaching investigation of photo-darkened fiber using 633 nm irradiation: evidence of color center time evolution and losses mitigation
Author(s): H. Gebavi; S. Taccheo; D. Mechin; D. Tregoat; A. Monteville; B. Cadier; T. Robin
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Paper Abstract

We investigated photodarkening loss evolution and its reduction in Yb3+ doped aluminosilicate fibers utilizing 633 nm light irradiation. We demonstrate the final photobleaching value is intensity dependent, but the percentage of photodarkening reduction does not depend on dopant concentrations for settled bleaching intensity. We also show that the defects generated during the initial photodakening process have lower energy and can be effectively bleached by 633 nm photons while defects generated during photodarkening loss saturation cannot be bleached by low energy photons

Paper Details

Date Published: 22 March 2013
PDF: 5 pages
Proc. SPIE 8601, Fiber Lasers X: Technology, Systems, and Applications, 86013C (22 March 2013); doi: 10.1117/12.2005857
Show Author Affiliations
H. Gebavi, Swansea Univ. (United Kingdom)
S. Taccheo, Swansea Univ. (United Kingdom)
D. Mechin, PERFOS (France)
D. Tregoat, PERFOS (France)
A. Monteville, PERFOS (France)
B. Cadier, iXFiber SAS (France)
T. Robin, iXFiber SAS (France)


Published in SPIE Proceedings Vol. 8601:
Fiber Lasers X: Technology, Systems, and Applications
Sami T. Hendow, Editor(s)

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