Transmission properties of lightguide fibres coated at a line speed of 10 m/s

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Abstract
We report the transmission characteristics of high-speed-coated lightguide fibres; the evaluation is based on a total length of 90 km of single-mode fibre. For this experiment the line speed was varied from 2 to 10 m/s, and each sample length obtained from a preform was ∼ 10 km. We found that the average losses of the fibres coated at three different speeds (2, 5 and 10 m/s) are all ∼ 0.4 dB/km at 1.32 μm.