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1. (CORNING) (G652) 1310nm - 4 -
Corning LEAF 1.0 0.9 0.8 0.7 Refractive Index(%) 0.6 0.5 0.4 0.3 0.2 0.1 0.0 0.1 25 15 5 0 5 15 25 Radius( m) 1.1-5 -
1550nm 9.0 10% m 125 1.0 m 0.6 m 1% 12 m 1550nm 1.469 A eff 72 m 2 1550nm,24 8 0.25dB/km 1550 1625nm,24 8 1550 0.05 db/km 1550 25nm 0.1dB 1550 1625nm 0.090ps/km-nm 2 1530 1565nm 1565 1625nm 1530 1565nm (Dmax) (Dmin) 1565 1625nm (Dmax) (Dmin) 2.0 D 6.0ps/nm-km 4.5 D 11.2ps/nm-km Dmax Dmin+5.0 ps/nm-km Dmax Dmin+7.0 ps/nm-km 1550 1625nm 0.5dB 32mm - 6 -
PMD 0.2ps/km 1/2 Polarization Mode Dispersion cc Cabled Cutoff Wavelenght 1480nm A-DSF2Y(L)2Y 96 20.5mm 260kg/km 300mm 180mm 2700N 1300N -30 +60 0 +60 PMD A eff 1550nm - 7 -
ps/km-nm Dispersion-shifed 14 12 10 8 6 4 2 NZDF -2-4 1530 1550 1565 1625 nm - 8 -
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PMD-Limited Distance km 1000000 100000 10000 1000 100 10 1 2.5Gb/s 10 Gb/s Analog Video 40 Gb/s 0.1 0.01 0.1 1 10 0.2 0.5 Avg.PMD ps/km 1/2-10 -
A eff SMF 18ps/nm-km 80 m 2 1983 SMF/DS 0.5ps/nm-km 50 m 2 1985 SMF-LS 1.5ps/nm-km 55 m 2 1994 TrueWave 1.5ps/nm-km 55 m 2 1994 TW/RS 3.5ps/nm-km 55 m 2 1998 LEAF 4ps/nm-km 72 m 2 1998 A eff 72 m 2 SMF NZ-DSF NZ-DSF 80 LEAF 90 SNR) BER LEAF - 11 -
Dispersion Four Wave Mixing Self Phase Modulation Cross Phase Modulation Effective Area - 12 -
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