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At least 5.5 W of light (1480 nm) was needed to initiate a fiber fuse in an SMF-28e+ fiber in a static condition where the fiber end is placed on a highly Co-doped borosilicate glass surface for five seconds. The minimum initiation power, P_init, decreased with the mode field diameter for three fibers including two dispersion-shifted samples. However, P_init did not decrease when the local temperature at the fiber end was increased to 550 degC. This suggests that initiation requires a steep temperature gradient around the fiber core rather than the external application of heat.

Rights:

• Creative Commons BY-NC Attribution-NonCommercial 4.0 International
  

  Creative Commons BY-NC Attribution-NonCommercial 4.0 International

Keyword: fiber fuse, laser-induced damage

Date published: 2015-03-25

Publisher: National Institute for Materials Science

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Manuscript type: Not a journal article

MDR DOI: https://doi.org/10.48505/nims.3839

First published URL: https://doi.org/10.1364/OFC.2015.W2A.33

Related item:

• is_supplement_to
• Quantitative evaluation of fiber fuse initiation probability in typical single-mode fibers (dataset)
• https://doi.org/10.1364/OFC.2015.W2A.33

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Updated at: 2022-11-15 17:14:21 +0900

Published on MDR: 2022-12-02 15:58:04 +0900