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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 15 — Aug. 1, 2009
  • pp: 2282–2284

Influence of the drawing process on the defect generation in multistep-index germanium-doped optical fibers

G. Origlio, M. Cannas, S. Girard, R. Boscaino, A. Boukenter, and Y. Ouerdane  »View Author Affiliations


Optics Letters, Vol. 34, Issue 15, pp. 2282-2284 (2009)
http://dx.doi.org/10.1364/OL.34.002282


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Abstract

Variation of germanium lone pair center (GLPC) concentration in germanosilicate multistep-index optical fibers and preforms was studied using confocal microscopy luminescence technique. The experimental results provide evidence that in the central core region ( [ Ge ] 11 wt. % ) of our specific canonical samples the ratio [GLPC]/[Ge] is five times larger in fiber than in preforms. The relative influence of the glass composition and of the drawing process on the generation efficiency of the GLPC defects that drive the glass photosensitivity is discussed. The radial distribution of these defects suggests a possible enhancement of the defect creation related to the internal stress of the fiber core.

© 2009 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(160.2750) Materials : Glass and other amorphous materials
(180.2520) Microscopy : Fluorescence microscopy
(160.5335) Materials : Photosensitive materials

ToC Category:
Materials

History
Original Manuscript: March 5, 2009
Revised Manuscript: June 12, 2009
Manuscript Accepted: June 19, 2009
Published: July 21, 2009

Citation
G. Origlio, M. Cannas, S. Girard, R. Boscaino, A. Boukenter, and Y. Ouerdane, "Influence of the drawing process on the defect generation in multistep-index germanium-doped optical fibers," Opt. Lett. 34, 2282-2284 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-15-2282


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