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[M] In-Situ Observation of Fiber-Fuse Propagation オンラインリソース


(出版日: 2006-06-10)
https://hdl.handle.net/20.500.11932/33138 Web

コレクション: NIMS成果物
形態: オンラインリソース オンラインリソース
言語: English
ページ数と大きさ: 3 p. (4022 - 4024)
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識別子: Handle URI: https://hdl.handle.net/20.500.11932/33138
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Ultrahigh-speed photographs of fiber-fuse propagation in single-mode silica fibers revealed a new factor, other than pumping laser power that affects the morphology of damage sites: the length of the running optical discharge. Nine W pumping of 1480 nm light generated a discharge of ~130 um in half-width moving rapidly and leaving discrete voids along the fiber core, whereas 2-W-pumped discharge was ~27 um long, moved slowly and left nearly continuous thin voids. This is because 9-W-pumped discharge takes a longer time to travel its half-width, about 5/3 times longer than that of the 2-W-pumped discharge, which provides longer interaction time for modifying the fiber core.

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