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Growth dynamics of chemical composition gratings in fluorine-doped silica optical fibers
2002 (English)In: Optics Letters, ISSN 0146-9592, E-ISSN 1539-4794, Vol. 27, no 22, 1974-1976 p.Article in journal (Refereed) Published
Abstract [en]

The refractive-index modulation of chemical composition gratings in fluorine-germanium-doped silica fibers as a function of thermal treatment during manufacturing has been studied, The final grating strength was found to depend strongly on an intermediate annealing step, with an optimum temperature near 600-700degreesC before development at a fixed temperature of 1000degreesC. Low-temperature treatment, aimed at removing any remaining hydrogen from the fiber, performed at 100degreesC for 20 h before the annealing step, also sigificantly increased the final refractive-index modulation.

Place, publisher, year, edition, pages
2002. Vol. 27, no 22, 1974-1976 p.
Keyword [en]
diffusion, water, glass
URN: urn:nbn:se:kth:diva-22068ISI: 000179429600004OAI: diva2:340766
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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Fokine, Michael
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