Abstract:Communications between maintenance workers who work with nonmetallic optical cables must be conducted through optical fibers. Conventional communications were conducted by cutting the fiber at the cable joint. However, this reduces both operational efficiency and reliability. Based on the bending loss characteristics of optical fibers, we found that the light propagating in an optical fiber can be intensity modulated by U‐bending the fiber and changing the bending radius slightly. Then a nondestructive optical… Show more
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