METHOD OF MEASURING BENDING PERFORMANCE OF OPTICAL FIBER
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United States of America Patent
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Issued Date -
Sep 20, 2012
app pub date -
Mar 12, 2012
filing date -
Mar 15, 2011
priority date (Note) -
Abandoned
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Abstract
A method of measuring the bending performance of an optical fiber in a simple manner is provided. Power P1 of light emitted from one end of the optical fiber when light is incident onto the other end of the optical fiber is measured under conditions where the optical fiber 1 is wound at a constant pitch by one layer on the circumferential side of a mandrel 2 and the overall circumference of the optical fiber 1 thus wound is covered with an index matching sheet 5. The refractive index of the index matching sheet 5 substantially matches with the refractive index of resin of the outermost layer of the optical fiber 1.
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