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[M] Heat-induced breakage of an optical circuit at a TeO2glass bridge linking silica glass fibers オンラインリソース

(出版日: 2006-08-01)

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
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The irreversible transformation of a tellurum oxide glass layer
inserted between two ends of two silica glass optical fibers was
monitored via the intensity of a light passed through the circuit. This
structure is used for a heat-induced optical fuse after the soft glass
layer has been coated with a light absorber. Heat-induced breakage
occurred when the glass crystallized or flowed in the presence of a
shearing stress. Without the stress, the optical link was maintained
through the glass melt but suddenly broke due to the crystallization.
On the other hand, the stress deformed the glass bridge and broke the
optical link less than 0.4 sec. Thus, the shearing stress at the
splicing point helps the device respond immediately and reliably.