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Opt Lett. 2003 Nov 1;28(21):2025-7.

Highly photosensitive Sb/Er/Ge-codoped silica fiber for writing fiber Bragg gratings with strong high-temperature sustainability.

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  • 1Department of Physics, Zhejiang University, Hangzhou 310027, China. physyh@dial.zju.edu.cn

Abstract

A highly photosensitive Sb/Er/Ge-codoped silica fiber for fabricating fiber Bragg gratings (FBGs) with strong high-temperature sustainability is presented. The photosensitivity and the high-temperature sustainability of FBGs created in this fiber are examined and compared with those produced in a Sn-doped silica fiber. The results show that the Sb/Er/Ge fiber has a much higher level of photosensitivity than the Sn-doped silica fiber and that the FBGs have a similar high-temperature sustainability of 800 degrees C. The strong fluorescence properties observed from this fiber are also examined.

PMID:
14587803
[PubMed]
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