Crush-resistant fiber optic cable
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United States of America Patent
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Nov 1, 2016
Grant Date -
Jun 18, 2015
app pub date -
Feb 20, 2015
filing date -
Sep 30, 2009
priority date (Note) -
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Abstract
A fiber optic cable is disclosed, wherein the cable includes a plurality of optical fibers, a tensile-strength layer, and a protective cover surrounding the tensile-strength layer and having an outside diameter Do≦5 mm, wherein under a crush load of 100N/cm for 10 minutes, the optical fibers exhibit a delta attenuation of less than 0.8 decibels at a wavelength of 1300 nanometers. A method of forming a fiber optic cable includes extruding a protective cover longitudinally around a plurality of optical fibers and a tensile-strength layer such that the protective cover has an outside diameter Do≦5 mm and the optical fibers exhibit a delta attenuation of less than 0.8 decibels at a wavelength of 1300 nanometers when placed under a crush load of 100N/cm for 10 minutes.
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