IEICE Electronics Express
Online ISSN : 1349-2543
LETTER
Threshold power reduction of fiber fuse propagation through a white tight-buffered single-mode optical fiber
Shin-ichi Todoroki
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JOURNALS FREE ACCESS

2011 Volume 8 Issue 23 Pages 1978-1982

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Abstract

The propagation threshold power through a white tight-buffered single-mode optical fiber was found to be 3% less than that through a transparent acrylate-coated fiber. This is because the white pigments in the buffer layer backscatter the visible emission that pumps a fiber fuse. Namely, the backscattered light is absorbed by the thermal decomposition product SiO in the glass melt surrounding the traveling plasma. This self-pumping effect was revealed by comparing the void trains left in fiber segments coated with white or black oil paint. This threshold reduction compels us to re-examine the power tolerance design of optical networks and fiber fuse terminators.

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© 2011 by The Institute of Electronics, Information and Communication Engineers
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