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100 km single mode VAD fibres |
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| Authors: | Kawachi M. Tomaru S. Yasu M. Horiguchi M. Sakaguchi S. Kimura T. |
| Affiliation: | NTT Ibaraki Electrical Communication Laboratory, Tokai, Japan; |
| Abstract: | 100 km single mode fibres with low loss values of 0.3 dB/km at 1.55 ?m and 0.5 dB/km at 1.3 ?m have been made by the VAD method. Swept frequency 6 dB down bandwidths at the two wavelengths were 40 MHz for 100 km length and 800 MHz for 50 km length, respectively. |
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