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Thermal stability of oxygen-modulated chemical-composition gratings in standard telecommunication fiber
2004 (English)In: Optics Letters, ISSN 0146-9592, E-ISSN 1539-4794, Vol. 29, no 11, p. 1185-1187Article in journal (Refereed) Published
Abstract [en]

Experimental results and a discussion on the formation and decay of oxygen-modulated chemical-composition gratings in a standard telecommunication fiber are presented. Comparison between the decay experiment and the model provides a diffusion coefficient with an activation energy of 490 kJ/mol, which is in close agreement with reported values of oxygen self-diffusion in silica. The gratings have a diffusion-controlled decay behavior, with more than 50% of the reflectivity remaining after 7.5 h at a temperature of 1230degreesC. The gratings show higher thermal stability when heated in air than in an inert argon atmosphere.

Place, publisher, year, edition, pages
2004. Vol. 29, no 11, p. 1185-1187
Keywords [en]
bragg gratings, optical fibers, silica
Identifiers
URN: urn:nbn:se:kth:diva-23422ISI: 000221482100005OAI: oai:DiVA.org:kth-23422DiVA, id: diva2:342120
Note
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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Fokine, Michael

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