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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 64, Iss. 4 — Apr. 1, 1974
  • pp: 475–481

Drawing-induced coloration in vitreous silica fibers

P. Kaiser  »View Author Affiliations


JOSA, Vol. 64, Issue 4, pp. 475-481 (1974)
http://dx.doi.org/10.1364/JOSA.64.000475


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Abstract

The 630-nm loss band recently identified in unclad fibers made from low-OH-content vitreous silica is shown to be introduced in the fiber-drawing process. The band has an absorptive component as well as resonance fluorescence whose peak intensity amounts to about 16% of the total losses. A red fluorescence was observed when the same fibers were illuminated with the 325-nm line of a HeCd laser. The loss band could be eliminated by annealing for 3 h at 700 °C. Spontaneous annealing at room temperature was also observed in some cases. It is proposed that the 630-nm band is associated with drawing-induced defects of the silica network.

Citation
P. Kaiser, "Drawing-induced coloration in vitreous silica fibers," J. Opt. Soc. Am. 64, 475-481 (1974)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-64-4-475

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