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Reflection of Light Caused by Sharp Bends in Optical Fiber
Kyozo TSUJIKAWA Koji ARAKAWA Koji YOSHIDA
IEICE TRANSACTIONS on Electronics
Publication Date: 1999/11/25
Print ISSN: 0916-8516
Type of Manuscript: LETTER
reflection, sharp bends in optical fiber, bending loss, OTDR, OLCR, fiber coating,
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We investigated the reflection of light caused by sharp bends in optical fiber experimentally. The position distribution of reflection power was measured using an OTDR and an OLCR. We found that the reflection power increased linearly as the logarithm of the bending loss increased, which agrees with expectation from a simple theoretical model. We believe that the light we observed was part of the leaked light, which was reflected between the primary and secondary coatings.